89 jan-roger linna - 7032576 - capillary heating control and fault detectio...Mello_Patent_Registry
Jan-Roger Linna, John Paul Mello - Capillary Heating Control and Fault Detection System and Methodology for Fuel System in an Internal Combustion Engine
URHE-CF is a heat recovery unit containing both a high-efficiency cross-flow plate exchanger, and a cooling circuit in heat pump mode. The cooling circuit has a high-efficiency scroll compressor, finned condensation/evaporation coil, thermostatic valve, 4-way valve, liquid separator, liquid indicator light, filter drier, and all the necessary measuring and safety components. The unit is fitted with centrifugal fans (that respect ERP2015) with forward blades and a directly coupled motor. The rotation speed is controlled by an EC device. It has G4 filters positioned before the plate exchanger (on both the fresh air and the extracted air), and a differential pressure switch for checking the filters are not clogged. The machine has an advanced adjustment system for managing the cooling circuit and the accessories used (integration coils, free-cooling kit).
Reversible air/water heat pump for outdoor installation. Suitable for air-conditioning and heating, and the production of domestic hot water for small/medium services.
Cooling capacity: 8.81 ÷ 14.12 kW
Heating capacity: 11.04 ÷ 16.88 kW
R410A refrigerant
Cooling and heating
DHW
Scroll compressor
Axial fan
Plate exchanger
Pump kit (Option)
Water tank (Option)
Network operation (Option)
Compatible with ModBus protocol (Option)
Compatible with VMF system (Variable Multi Flow) (Option)
Internet connection (Option)
For two pipes plants
RPF is a heat recovery unit with a high-efficiency counter-current plate exchanger (certified by Eurovent) that can obtain yields greater than 90% (Standard UNI EN 308). The unit has plug fans (with a synchronous permanent magnets motor with electronic control) that respect ERP2015. It has an F7 filter on the delivery line and a G4 filter on the extracted air line, a bypass damper (free-cooling), and advanced electronic adjustment. The adjustment function uses an advanced logic that enables you to manage the integration systems (electric or water coils), the anti-freeze function, night cooling mode, the fire/smoke alarm, and various ventilation control modes. The machine can interface with the outside thanks to the following communication protocols: modbus RTU, modbus ethernet and profibus DP slave.
89 jan-roger linna - 7032576 - capillary heating control and fault detectio...Mello_Patent_Registry
Jan-Roger Linna, John Paul Mello - Capillary Heating Control and Fault Detection System and Methodology for Fuel System in an Internal Combustion Engine
URHE-CF is a heat recovery unit containing both a high-efficiency cross-flow plate exchanger, and a cooling circuit in heat pump mode. The cooling circuit has a high-efficiency scroll compressor, finned condensation/evaporation coil, thermostatic valve, 4-way valve, liquid separator, liquid indicator light, filter drier, and all the necessary measuring and safety components. The unit is fitted with centrifugal fans (that respect ERP2015) with forward blades and a directly coupled motor. The rotation speed is controlled by an EC device. It has G4 filters positioned before the plate exchanger (on both the fresh air and the extracted air), and a differential pressure switch for checking the filters are not clogged. The machine has an advanced adjustment system for managing the cooling circuit and the accessories used (integration coils, free-cooling kit).
Reversible air/water heat pump for outdoor installation. Suitable for air-conditioning and heating, and the production of domestic hot water for small/medium services.
Cooling capacity: 8.81 ÷ 14.12 kW
Heating capacity: 11.04 ÷ 16.88 kW
R410A refrigerant
Cooling and heating
DHW
Scroll compressor
Axial fan
Plate exchanger
Pump kit (Option)
Water tank (Option)
Network operation (Option)
Compatible with ModBus protocol (Option)
Compatible with VMF system (Variable Multi Flow) (Option)
Internet connection (Option)
For two pipes plants
RPF is a heat recovery unit with a high-efficiency counter-current plate exchanger (certified by Eurovent) that can obtain yields greater than 90% (Standard UNI EN 308). The unit has plug fans (with a synchronous permanent magnets motor with electronic control) that respect ERP2015. It has an F7 filter on the delivery line and a G4 filter on the extracted air line, a bypass damper (free-cooling), and advanced electronic adjustment. The adjustment function uses an advanced logic that enables you to manage the integration systems (electric or water coils), the anti-freeze function, night cooling mode, the fire/smoke alarm, and various ventilation control modes. The machine can interface with the outside thanks to the following communication protocols: modbus RTU, modbus ethernet and profibus DP slave.
210 MW Turbine Cycle Heat Rate includes all parameters of Steam and Condensate at various inlets and outlets of HP, IP and LP Turbines, Condenser and also takes into consideration the regenerative HP, IP/LP Heaters in the Turbine Cycle. Well Illustrated with all diagrams.
OBD2 Powertrain Code List (P2700- P2799)Tim Miller
Check the OBD2 code list (P2700 to P2799) to find out what the codes mean on your car.
>> NEXT STEP: https://www.obdadvisor.com/codes/
Visit our site, and type the code in the search box. You will get more information about the code including causes, symptoms, fixes, and repair costs.
Reading and clearing the codes will become easier with a scan tool.
>> READ MORE: https://www.obdadvisor.com/best-obd2-scanner-review/
This article shows a helpful in-depth review of the 9 best OBD2 scan tools from me, an experienced auto mechanic who has used and tested all of them.
OBD2 Powertrain Code List (P0A00- P0A99)Tim Miller
Check the OBD2 code list (P0A00 to P0A99) to find out what the codes mean on your car.
>> NEXT STEP: https://www.obdadvisor.com/codes/
Visit our site, and type the code in the search box. You will get more information about the code including causes, symptoms, fixes, and repair costs.
Reading and clearing the codes will become easier with a scan tool.
>> READ MORE: https://www.obdadvisor.com/best-obd2-scanner-review/
This article shows a helpful in-depth review of the 9 best OBD2 scan tools from me, an experienced auto mechanic who has used and tested all of them.
Whynter ARC-12SD Portable Air ConditionerAirConFind
Whynter ARC-12SD: 12,000 BTU cooling capacity portable air conditioner. Find technical specifications, key features, parts lists, accessories, front panel buttons and indicators, as well as the remote control buttons and indicators of the Whynter ARC-12SD portable air conditioner. And also find out where to get information on prices, discounts, real use reviews, real user ratings, other essential details on this portable air conditioner.
210 MW Turbine Cycle Heat Rate includes all parameters of Steam and Condensate at various inlets and outlets of HP, IP and LP Turbines, Condenser and also takes into consideration the regenerative HP, IP/LP Heaters in the Turbine Cycle. Well Illustrated with all diagrams.
OBD2 Powertrain Code List (P2700- P2799)Tim Miller
Check the OBD2 code list (P2700 to P2799) to find out what the codes mean on your car.
>> NEXT STEP: https://www.obdadvisor.com/codes/
Visit our site, and type the code in the search box. You will get more information about the code including causes, symptoms, fixes, and repair costs.
Reading and clearing the codes will become easier with a scan tool.
>> READ MORE: https://www.obdadvisor.com/best-obd2-scanner-review/
This article shows a helpful in-depth review of the 9 best OBD2 scan tools from me, an experienced auto mechanic who has used and tested all of them.
OBD2 Powertrain Code List (P0A00- P0A99)Tim Miller
Check the OBD2 code list (P0A00 to P0A99) to find out what the codes mean on your car.
>> NEXT STEP: https://www.obdadvisor.com/codes/
Visit our site, and type the code in the search box. You will get more information about the code including causes, symptoms, fixes, and repair costs.
Reading and clearing the codes will become easier with a scan tool.
>> READ MORE: https://www.obdadvisor.com/best-obd2-scanner-review/
This article shows a helpful in-depth review of the 9 best OBD2 scan tools from me, an experienced auto mechanic who has used and tested all of them.
Whynter ARC-12SD Portable Air ConditionerAirConFind
Whynter ARC-12SD: 12,000 BTU cooling capacity portable air conditioner. Find technical specifications, key features, parts lists, accessories, front panel buttons and indicators, as well as the remote control buttons and indicators of the Whynter ARC-12SD portable air conditioner. And also find out where to get information on prices, discounts, real use reviews, real user ratings, other essential details on this portable air conditioner.
81 roberto o. pellizzari - 6913004 - fuel system for an internal combustion...Mello_Patent_Registry
Roberto O. Pellizzari, John Baron, Jan Roger Linna, Peter Loftus, Peter Palmer, John Paul Mello, Stuart Bennett Sprague - Fuel System for an Internal Combustion Engine and Method for Controlling Same
5 heat exchanger thermal design of oil system for turbo centrifugal compresso...IJCMESJOURNAL
A thermal management is vital issues of all energy equipment such as compressor, gas turbine, and boilers etc. The compressor is generally used in power, oil & gas, air separation, and chemical plant. It is consist of air or gas compression part, gear, bearing, cooling, sealing, lube oil, and control system. In this study focused on heat exchanger for oil supply systems. Lube oil is very important to supply oil and protect bearing. Lube oil’s temperature control is vital issue to prevent system broken. Shell and tube heat exchanger is used as a cooler. In this study, HTRI Xist used to thermal design of oil cooler, with water and nanofluid. The thermal conductivity is ~9.3% higher than water. The tube side overall heat transfer coefficient of nanofluid is increased by ~9% compared to that of water.
Paper Statistics:
FellowBuddy.com is an innovative platform that brings students together to share notes, exam papers, study guides, project reports and presentation for upcoming exams.
We connect Students who have an understanding of course material with Students who need help.
Benefits:-
# Students can catch up on notes they missed because of an absence.
# Underachievers can find peer developed notes that break down lecture and study material in a way that they can understand
# Students can earn better grades, save time and study effectively
Our Vision & Mission – Simplifying Students Life
Our Belief – “The great breakthrough in your life comes when you realize it, that you can learn anything you need to learn; to accomplish any goal that you have set for yourself. This means there are no limits on what you can be, have or do.”
Like Us - https://www.facebook.com/FellowBuddycom
FellowBuddy.com is an innovative platform that brings students together to share notes, exam papers, study guides, project reports and presentation for upcoming exams.
We connect Students who have an understanding of course material with Students who need help.
Benefits:-
# Students can catch up on notes they missed because of an absence.
# Underachievers can find peer developed notes that break down lecture and study material in a way that they can understand
# Students can earn better grades, save time and study effectively
Our Vision & Mission – Simplifying Students Life
Our Belief – “The great breakthrough in your life comes when you realize it, that you can learn anything you need to learn; to accomplish any goal that you have set for yourself. This means there are no limits on what you can be, have or do.”
Like Us - https://www.facebook.com/FellowBuddycom
Enhancement of Specific Power Output of a Gas Turbine Using Filtered Chilled AirIOSR Journals
Conventionally the specific power output of the gas turbine can be increased using reheating and
intercooling. The thermal efficiency can be improved by adding a regenerating at lower pressure ratios. In the
present work the emphasis is given to enhance the specific power output by other means like reduction in the air
temperature at the inlet duct. The power output of the gas turbine has been estimated by allowing air at reduced
temperatures, step wise. The experiment is conducted till STP conditions are attained. The chiller coils are used
for inlet air cooling. The variation of power output with respect to temperature is also studied.
Experimental Analysis of Refrigeration system using Microchannel condenser & ...AM Publications
Micro channel condenser now days can be effectively used due to its compact size in automobile sector. For
its performance, refrigeration set up designed to detect experimental performance of microchannel condenser. In this
paper performance analysis of microchannel condenser compared with round tube and coil tube. In analysis of
microchannel condensers it can be found more effective at various loads and operating conditions. For review same size of
microchannel and round tube condenser are considered. From the previous experiments the micro-channel condenser was
made to have nearly an identical face area, depth and fin density as the round-tube condenser which was the baseline. Also
varying the refrigerants, C.O.P & Efficiency of micro channel the various reviews of reviewer micro channel condenser
can be efficient and also refrigerator system requires less power.
CENTRIFUGAL COMPRESSOR SETTLE OUT CONDITIONS TUTORIALVijay Sarathy
Centrifugal Compressors are a preferred choice in gas transportation industry, mainly due to their ability to cater to varying loads. In the event of a compressor shutdown as a planned event, i.e., normal shutdown (NSD), the anti-surge valve is opened to recycle gas from the discharge back to the suction (thereby moving the operating point away from the surge line) and the compressor is tripped via the driver (electric motor or Gas turbine / Steam Turbine). In the case of an unplanned event, i.e., emergency shutdown such as power failure, the compressor trips first followed by the anti-surge valve opening. In doing so, the gas content in the suction side & discharge side mix.
Therefore, settle out conditions is explained as the equilibrium pressure and temperature reached in the compressor piping and equipment volume following a compressor shutdown
Roof-Top autonomous air-condensed conditioner with free-standing structure in aluminium alloy. The air treatment section is insulated with polyethylene foam. For the largest sizes, the panelling is of the sandwich type (25 mm) with injected polyurethane insulation. Dual-suction centrifugal fans directly coupled with an electronic device for rpm variation (fitted as standard). For the largest sizes, the fans are centrifugal and dual-suction, coupled with belts and pulleys of variable pitch. The fans for the condensation section are helicoidal. Cooling circuit with low-noise scroll compressors. Optimum efficiency thanks to the use of R410a gas. High-efficiency Cu-Al internal and external coil. G4 air filters (F7 optional), microprocessor adjustment complete with control panel, probes and actuators for all the components.
Computational analysis of heat transfer through four-stroke S. I. engine finsijsrd.com
it is important for an air-cooled engine to utilize fins for effective engine cooling to maintain uniform temperature in the cylinder periphery. Many experimental works has been done to improve the heat release of the cylinder and fin efficiency. In this study, heat release of an IC engine cylinder cooling with straight fins and with wavy fins is calculated numerically using commercially available CFD tool ANSYS. The IC engine is initially at 500⁰C and the heat release from the cylinder is analysed at a wind velocity of 60 km/hr to 100 km/hr. The heat release from both the cylinders is compared. With the help of the available numerically results, the design of the I. C. engine cooling fins can be modified for improving the heat release and efficiency.
Apologia - A Call for a Reformation of Christian Protestants Organizations.pdfJulio Banks
This document shows how to know whether an organization claiming to be IRS 501(C)(3) tax exempted nonprofit is being partisan by teaching that the republican party is the party of Jesus Christ violating the nonpartisan IRS requirement are false Christian organizations.
The treatment of large structural systems may be simplified by dividing the system into
smaller systems called components. The components are related through the
displacement, and force conditions at their junction points. Each component is represented
by mode shapes (or functions).
The synchronicity time or common time of two (2) independent and asynchronous events can be readily
completed in a four (4) steps algorithm to be described in this article. Additionally, two (2) illustrative
examples are also provided for completeness of presentation of the Synchronicity Algorithm.
Math cad prime the relationship between the cubit, meter, pi and the golden...Julio Banks
It has been reported that the ancient Egyptians knew pi, the golden ration (phi) and the meter. This paper summarizes the relationship of pi, and phi via the cubit.
Jannaf 10 1986 paper by julio c. banks, et. al.-ballistic performance of lpg ...Julio Banks
This paper is the result of the response of LPG (Liquid Propellant Gun) to high-temperate simulated-desert condition using ANSYS FEA (Finite Element Analysis) and Mica Heating Banks.
web site: http://www.joycenter.net/wp-content/uploads/2013/04/Mans-Search-for-Meaning-Viktor-Frankl.pdf
A case can be made that since the main basis of "The Theory" of evolution is the "Self-preservation principle". That is, how could the propagation of the a specie be enhanced by the demeaning action of a group against its constituents and even self-against-self. The only explanation is that humas were created and not a result of a random sett of actions causing consciousness arriving from non-conscious matter. Life comes from life, and intelligence (DNA), comes from intelligence. This book can be contrasted with: The Lucifer Effect Understanding How Good People Turn Evil by Philip Zimbardo' and also with the Bible for a view of The Meaning of Life from ancient to contemporary writings for balance understanding of the physical (Psyche) to the metaphysical (Spiritual). We can view the human condition as the effect of gravity of interacting physical objects and human interaction as the response to spiritual influence (angels and demons).
When the Scriptures command us to “love your enemies”, “bless those who curse you” as well as “Judge not because as you judge you will also be judged and the very same standard you apply in condemning others you also be condemned”. One can see, in the context of this essay, that we are actually harming ourselves if we do not love our “perceived enemies” since it is well known that “There are no greater flaws than the ones we perceive in others than the ones residing within ourselves (known as “our personal demons” or “small judging sub-self)”. This is in essence the basis of psychological projection which is a form of psychological dissonance (the closer one is to danger, the more one tends to minimize or even ignore its potential harm to us). Psychological dissonance is a defense mechanism by which “the human mind minimizes the pain of being less than the person that we all believe we are and we seek to find. The true self is the enlightened being who has discovered the meaning of love. Finally, we are home when we feel at peace at being who we are; unique individuals just as our DNA and fingerprints identifies us from billions of other humans. Be yourself and celebrate your uniqueness then you will be truly enlightened - you have arrived at the place call true self and therefore happy
The first step required to defeating an enemy is by first thoroughly defining it. A physician runs tests of their patients to determine the type of pathogen ailing such patients. Similarly, we must be clear that A Muslim Terrorist is indeed a Fundamentalist and not a Radical Terrorist since the method of striking terror is explicitly and clearly defined in the Qur'an. Christianity is the only religion that needs not attack any other religion such as the Islam religion since God is the author and finisher of our faith and also commands the Christians to allow God to avenge Himself for our attacks even from Islamic Terrorist. A Christian is commanded to live at peace with all humans and when such a peaceful coexistence is not achieved then we must simply stay away from such toxic humans.
The primary test for a true religion is that "The Judeo-Christian God does not need nor require that mere mortal human beings to defend Him".
NASA-TM-X-74335 --U.S. Standard Atmosphere 1976Julio Banks
NASA-TM-X-74335 --U.S. Standard Atmosphere 1976. This information is useful for airframes (e.g., missiles and aircrafts) aero-thermos analysis and design.
Mathcad P-elements linear versus nonlinear stress 2014-t6Julio Banks
This work couples the classical ESED (Equivalent Strain Energy Density) Method; aka, Glinka. The most expedient method of solving a structural problem using FEA (Finite Element Analysis). There would be occasions when stress concentrations would be calculated due to interior corners, holes, sudden change of geometry (aka stress raisers). Although some software would allow regions in the vicinity of such stress risers to be defined by nonlinear material models such as "Elastic Perfectly-plastic", "Bilinear (Elastic and linear plastic), or the fundamental Ramberg-Osgood metal strain-stress models. Once the Linear-elastic FEA solution is obtained one can readily determine that Pseduo nonlinear strain, the corresponding stress and the implicit stress-intensification factor, Kt. It should be noted that once the analyst-designer is ready for final analysis, it would be most prudent to create a FEA model in which the regions of high concentration of stress to be modeled with local nonlinear models of the metal using St. Vennants' Principle of load-and-resistance distance from area of interest. The P-method is an excellent FEA element that can "find the actual nonlinear stress" by the simple iterative increase of the order of the polynomial representing the stress fields within every P-element. It should be noted that this research was facilitated by the use of the P-element FEA software called StressCheck which is 100% P-element solution which I am quite pleased to have had the opportunity of utilizing for this research.
Apologia - The martyrs killed for clarifying the bibleJulio Banks
I know all the things you do, that you are neither hot nor cold. I wish that you were one or the other! 16But since you are like lukewarm water, neither hot nor cold, I will spit you out of my mouth!” - Revelation 3:15-16
“A man who does not have something for which he is willing to die is not fit to live.” - Martin Luther King Jr.
Spontaneous creation of the universe ex nihil by maya lincoln and avi wasserJulio Banks
Questions regarding the formation of the Universe and ‘what was there ’ before it came to existence have
been of great interest to mankind at all times. Several suggestions have been presented during the ages –
mostly assuming a preliminary state prior to creation. Nevertheless, theories that require initial conditions
are not considered complete, since they lack an explanation of what created such conditions. We therefore
propose the ‘Creatio Ex Nihilo ’ (CEN) theory, aimed at describing the origin of the Universe from ‘nothing ’ in
information terms. The suggested framework does not require amendments to the laws of physics: but rather
provides a new scenario to the Universe initiation process, and from that point merges with state-of-the-art
cosmological models. The paper is aimed at providing a first step towards a more complete model of the
Universe creation – proving that creation Ex Nihilo is feasible. Further adjustments, elaborations, formalisms
and experiments are required to formulate and support the theory.
The “necessary observer” that quantum mechanics require is described in the b...Julio Banks
This essay is intended to share the vies of the author of his Judeo-Christian belief and the physical validation of such believes based upon the theories of Quantum Mechanics.
A fund way to remember how to "fix our manifested creation" by means of observation is as follows: "Keep an eye on the ball", "Do not drop the ball"
Advances in fatigue and fracture mechanics by grzegorz (greg) glinkaJulio Banks
Professor Grzegorz (Greg) Glinka has made substantial contributions to the field of stress concentration evaluation using linear FEA results using the ESED (Equivalent Striain Energy Density). ESED aka Glinka methods allows the determination of strain-stress state at a point of local concentration by equating the strain energy from the linear FEA area in the material strain-stress curve to that of the actual strain-stress of the material using a models such as Ramberg-Osgood. The ESED method is more accurate than the Neuber requiring the equating of SED (Strain Energy Densities) of linear FEA results that Stress is proportional to strain even when the FEA predicts a stress greater than the ultimate strength of the material. One easy method of remember when to use ESED versus Neuber is that ESED, more accurate, should be use on the stress analysis of rocket structures and Neuber delegated to aerospace engines and components.
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Event Management System Vb Net Project Report.pdfKamal Acharya
In present era, the scopes of information technology growing with a very fast .We do not see any are untouched from this industry. The scope of information technology has become wider includes: Business and industry. Household Business, Communication, Education, Entertainment, Science, Medicine, Engineering, Distance Learning, Weather Forecasting. Carrier Searching and so on.
My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
In my system we have to make a system by which a user can record all events coordinated by a particular faculty. In our proposed system some more featured are added which differs it from the existing system such as security.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Automobile Management System Project Report.pdfKamal Acharya
The proposed project is developed to manage the automobile in the automobile dealer company. The main module in this project is login, automobile management, customer management, sales, complaints and reports. The first module is the login. The automobile showroom owner should login to the project for usage. The username and password are verified and if it is correct, next form opens. If the username and password are not correct, it shows the error message.
When a customer search for a automobile, if the automobile is available, they will be taken to a page that shows the details of the automobile including automobile name, automobile ID, quantity, price etc. “Automobile Management System” is useful for maintaining automobiles, customers effectively and hence helps for establishing good relation between customer and automobile organization. It contains various customized modules for effectively maintaining automobiles and stock information accurately and safely.
When the automobile is sold to the customer, stock will be reduced automatically. When a new purchase is made, stock will be increased automatically. While selecting automobiles for sale, the proposed software will automatically check for total number of available stock of that particular item, if the total stock of that particular item is less than 5, software will notify the user to purchase the particular item.
Also when the user tries to sale items which are not in stock, the system will prompt the user that the stock is not enough. Customers of this system can search for a automobile; can purchase a automobile easily by selecting fast. On the other hand the stock of automobiles can be maintained perfectly by the automobile shop manager overcoming the drawbacks of existing system.
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
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NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
P & W FT8 Telemetry by Julio C. Banks, PE
1. I!I
UNITED
TECHNOLOGIES
PRATT&WHITNEVInternal Correspondence
Government Engine Business
To: K.K. Landis
From: E.J. Fichtel
Subject: Appreciation Memo for the TP&M FT8 Project
Date: 9 Dec. 1992
cc: M.J. Ford, E.R. Roesch
I would like to acknowledge the dedicated effort Julio Banks
provided on the FT8 Telemetry Project. Julio was
responsible for the heat transfer analysis on this unique
telemetry package and for providin9 a cooling scheme to
ensure proper telemetry operation ln the severe turbine
environment. Julio was very thorough in his analysis and
worked closely with Design Engineeering to provide a cooling
scheme with plenty of margin under worst case test
conditions.
Julio was a valued member of our team and his support through
all phases of this project was much appreciated.
nn~
E.J. Fichtel
P&W GEB 51 Rev. 2/88
Julio C. Banks, MSME, PE, CGC
Thermo-structural Consultatn
e-mail: Sell-A-Vision@Outlook.com
2. PRATI &WHITNEY
Engineering Division South
INTERNAL CORRESPONDENCE
To: Ed Fichtel
From: Julio C. Banks
Subject: Final Report of the FT8 Telemetry Package Cooling Study
Date: August 1, 1991
cc: K. K. Landis, E. M. Beverly
ABSTRACT
A detailed thermal analysis was performed on the Turbo Power and Marine
(TP&M) FT8 engine telemetry package. The main objective of this study was
to design a cooling system that maintains the telemetry package below the
200 of design limit. Several cooling methods were considered and included
air, oil and Freon systems. Feasibility considerations of the different
cooling systems indicated air cooling to be the least complex cooling scheme
and preliminary analysis indicated that air cooling was feasible thus it was
~, selected as the most practical design alternative.
The cooling configuration IJses convective air cooling techniques and simple
heat shields to minimize radiation and convection heating effects. The
design provides adequate cooling at the maximum heat load condition which
occurs at a rotor speed of 6500 RPM. Post test heat soak-back is controlled
by continuing to use shop air during the cool-down period.
In summary, shop air at a minimum flow rate of 0.30 Lbm/sec and 80 F supply
temperature should maintain the FT8 telemetry package's electronics
temperature under 200°F. The design contains provisions for up to twice the
minimum flow of cooling air if necessary. Health instrumentation is
provided to monitor/validate the FT8 telemetry package temperatures &static
pressures during the test and soak-back period.
DISCUSSION
The Turbo Power and Marine FTS engine shown in figure 1 is the test article
onto which the telemetry package is to be mounted. Figure 2 is a closer
look of the aft end of the FTS engine and shows the shop air flow rate (0.3
to 0.6 lbm/sec) with supply temperature of 80°F. Notice also in figure 2
that the cooling air is to be metered thru a sharp edge orifice (described
in appendix B) and that the coolant supply line within the FTS is
approximately 10 feet long.
3. - 2 - August 2, 1991
Figure 3 shows the FT8 telemetry package full scale drawing while figure 4
shows the design features. The key characteristics of the FT8 telemetry
cooling system were presented at a Chief Engineers review and a copy of the
presentation material is included as appendix A.
Figure A.3 ;s a schematic of the FTS telemetry packagers boundary conditions
and material map. It contains the external convective boundary film
coefficients &temperatures (h &Tf); the conduction source temperature; as
well as the cooling air conditions entering the package (0.3 Lbm/sec and 95
F). The rotorts maximum speed is 6500 RPM as shown in the lower left
corner, and the labyrinth seal leakage flow and temperature are indicated.
The heat load sources have been ranked and are shown in figure A.4. It can
be seen that the heat load due to windage is a major contributor at 6500 RPM
and is comparable to the sum of the rest of the contributors (excluding the
coolant suppy pipe).
A coolant flow &pressure distribution map of the telemetry package is shown
in figure A.5. This distribution was configured using the common modeler
V169 and it is shown (in figure A.6) to produce a uuniform temperature
distributionu
•
RESULTS
.~ The application of the boundary conditions &design constraints as outlined
in the discussion section of this report, yielded the thermal results
described in this section.
The Common Heat transfer Analysis Program, CHAP, was used to perform this
cooling study of the FT8 telemetry package. CHAP uses the finite difference
heat transfer technique. Figure A.6 shows the temperatures resulting from
CHAP superimposed on the nodal break-up of the telemetry package geometry.
The cooling air flow rate at this condition is 0.3 Lbm/Sec and the Telemetry
transmitters (nodes 201, 202, 205 &206) are about 170 F. Also the coolant
system has the capacity to flow at up to 0.6 Lbm/sec if necessary to further
reduce the transmitterst temperature.
It should be noted that the study demonstrated that air cooling supplied at
80 F and pressure up to 100 psia is a feasible scheme. The design is simple
when compared to the possible use of oil or Freon for cooling. The
telemetry wiring will be routed through the supply air line and ;s not
expected to present any difficulty to the cooling system. The use of
thermal insulation was kept to a minimum to minimize the introduction of
uncertainties in the event of degradation of the insulation.
4. - 3 - August 1, 1991
CONCLUSIONS
The main objective of maintaining the FT8 Telemetry Package's electronics
under 200°F has been shown to be feasible using shop air for coolant.
Figure 5 shows that the operating supply total pressure is predicted to be
under 100 psia in the required cooling flow rate range of 0.3 to 0.60
Lbm/Sec, assuming the coolant pipe supply air temperature is 80°F. The
design contains provisions for up to twice the minimum flow rate of shop air
if necessary. FT8 telemetry package health instrumentation is provided to
monitor and validate the system during operation and heat soak-back period.
The shop air flow is controlled via a chocked sharp edge orifice thus the
flow can be controlled by the supply total pressure.
O(2d&~
. Ban s ~~echanical Componets &Systems Mechanical Componets &Systems
Component Design Technology Component Design Technology
Ext. 8245
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11. FT8 TELEMETRY PACKAGE COOLING
CHIEF ENGINEER'S DESIGN REVIEW
May 29, 1991
Julio C. Banks
• Cooling Schematic of the System
• Boundary Conditions and Materials Map
• Air Coolant Map:
Flow (Lbm/Sec), Pressure (psia) and Temperature (OF)
• Health Instrumentation
• Results:
a) Shop Air Requirements
1. Flow - 0.3 to 0.6 Lbm/Sec
2. Pres - 50. to 100. psia
3. Temp - 80°F (Max. Source Temp.)
• Conclusion:
Air cooling of the FT8 telemetry package is feasible.
Transmitters & coils are cooled below 200°F limit.
13. COOLING SCHEMATIC OF THE ~Y5~M
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.2840 100.0 .09430 100.0 105.0 0.0~,
I 600.0 .09580 600.0 131.8 0.0
SSTEEL 2S HIE L D
.2840 100.0 .09430 100.0 0.360 0.0
I 600.0 .09580 600.0 0.360 0.0
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ROTOR 4TATANIUM--
.2840 100.0 .12800 100.0 50.00 0.0
I 525.0 .13200 875.0 84.00 0.0
COILS 5E POX Y
.2840 100.0 .09430 100.0 9.60 0.0
I 600.0 .09580 600.0 9.60 0.0
SEALS 6RUBBER LAND
.2840 100.0 .09430 100.0 1.78 0.0
I 600.0 .09580 600.0 1.78 0.0
GROVE 7ROTOR/SHAFT
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I 600.0 .09580 600.0 40.2 0.0
EPOXY 8TRANSMITTER
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I 600.0 .09580 600.0 29.9 0.0
WEIGH 9TRANS. STUB
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I 600.0 .09580 600.0 4.8 0.0
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I 525.0 .13200 875.0 11.1 0.0
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I 600.0 .09580 600.0 18.2 0.0
AIR 25 AIR
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400. 0.246 400. 0.272
800. 0.258 800. 0.366
1200. 0.269 1200. 0.450
1600. 0.276 1600. 0.528
2000. 0.282 2000. 0.600
2400. 0.288 2400. 0.672
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