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A transmission is a machine in a power transmission system, which provides controlled application of power. Often the term 5-speed transmission refers simply to the gearbox, that uses gears and gear trains to provide speed and torque conversions from a rotating power source to another device.
Definition, Use, Types of beariings, Types of Journal bearing, Materials for journal bearing, Failures of journal bearing, Design terms for journal bearing, Types of roller contact bearing, applications of roller contact bearing, Designation of roller contact bearing, Design terms for roller contact bearing, comparison between journal and roller bearings, characteristics of bearings, selection procedure of bearings
Definition, Use, Types of beariings, Types of Journal bearing, Materials for journal bearing, Failures of journal bearing, Design terms for journal bearing, Types of roller contact bearing, applications of roller contact bearing, Designation of roller contact bearing, Design terms for roller contact bearing, comparison between journal and roller bearings, characteristics of bearings, selection procedure of bearings
In this PPT you will learn about Bearings, Its Types, Classifications, Uses, How to select them according to use with proper and neat Diagrams and pictures.
# Thermal Engineering by rk rajput...
# This E-book includes (29 chapters + index + Contents) with no hidden pages...
# sorry for any insufficiency hope to like...
I want this job to utilize the skills which I've gotten from my Boss, colleague and others. I will utilize this knowledge for the success of you and for my personal success. I will prove myself by my job.
In this PPT you will learn about Bearings, Its Types, Classifications, Uses, How to select them according to use with proper and neat Diagrams and pictures.
# Thermal Engineering by rk rajput...
# This E-book includes (29 chapters + index + Contents) with no hidden pages...
# sorry for any insufficiency hope to like...
I want this job to utilize the skills which I've gotten from my Boss, colleague and others. I will utilize this knowledge for the success of you and for my personal success. I will prove myself by my job.
Law of toothed gearing – Involutes and cycloidal tooth profiles –Spur Gear terminology and
definitions –Gear tooth action – contact ratio – Interference and undercutting. Helical, Bevel, Worm, Rack and Pinion gears
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
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.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
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CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
Runway Orientation Based on the Wind Rose Diagram.pptx
Classification of mechanical transmission
1. C L A S S I F I C AT I O N O F M E C H A N I C A L
T R A N S M I S S I O N
Qurbanov Mikayil
Zu-019
Malikov Rauf
2. W H AT I S T R A N S M I S S I O N ?
• A transmission is a machine in a power transmission system, which provides
controlled application of power. Often the term 5-speed transmission refers
simply to the gearbox, that uses gears and gear trains to
provide speed and torque conversions from a rotating power source to another
device.
3. W H AT I S M E C H A N I C A L P O W E R
T R A N S M I S S I O N ?
• Mechanical power transmission is the transfer of energy from where it’s
generated to a place where it is used to perform work using simple machines,
linkages and mechanical transmission element.
W H Y D O W E N E E D M E C H A N I C A L P O W E R
T R A N S M I S S I O N ?
• There are many ways to generate power but sometimes its impossible to
generate power where it’s needed or in the right form or direction or
magnitude. Hence electrical & mechanical power transmissions are vital for
any engineering product design. This article is solely about mechanical power
transmission and its elements excluding electrical power transmission.
4. M E C H A N I C A L P O W E R T R A N S M I S S I O N A N D
I T S E L E M E N T S A R E U S E D F O R T H E
F O L L O W I N G R E A S O N S ;
• Generated power or energy can be converted into a useful form.
• Physical constraints limit the power generation at the place where its used
hence it can be transferred from source to a place where it is needed.
• It can be used to change direction and magnitude such as speed or torque.
• It can be used t change the type of energy i.e. Rotational to linear and vice
versa.
5. T Y P E S O F P O W E R T R A N S M I S S I O N
• The transmission method is an engineering method that matches the power
machine and the working part of the machine in terms of energy configuration,
movement speed and motion form.
• Of the four major types of transmissions(mechanical, electrical, hydraulic and
pneumatic that are currently in use, none of the power transmission are
perfect.
6. G E A R D R I V E
• Gear transmission is the most widely used form of transmission in mechanical
transmission.
• Its transmission is more accurate, high efficiency, compact structure, reliable
operation and long service.
• Gear drives can be divided into many types according to different standards.
7. G E A R D R I V E
Advantages Disadvantages
Compact structure, suitable for short-
distance transmission
High manufacturing and installation
accuracy and high cost
Wide range of applicable peripheral
speeds and powers
Not suitable for transmission between
two axes at a long distance
High reliability and long life No overload protection
It can realize the transmission
between the porallel axis, the
intersecting axis of any angle and the
staggered axis of any angle
8. T U R B O V O R T E X D R I V E
Suitable for motion and power between two axes with vertical and non-
intersecting spaces.
The main parameters of the turbine drive are:
• Modulus
• Pressure angle
• Worm gear indexing circle
• Worm indexing circle
• Lead stroke
• Worm gear number
• Number of worm heads
• Transmission ratio
9. T U R B O V O R T E X D R I V E
Advantages Disadvantages
LargeTransmission ratio Large axial force
The structure is compact Easy to heat
Low efficiency
only-way transmission
10. B E LT D R I V E
• A belt drive is a mechanical transmission that utilizes a flexible belt that is
tensioned on a pulley for motion or power transmission.
• The belt drive usually consists of a drive wheel, a driven wheel and an endless
belt that is tensioned on the wheels.
1. For the case where the direction of the parallel rotation of two axes is the
same, it is called the concept of opening motion, centre distance and warp
angle
2. The type of belt can be divided into three categories according to the cross-
sectional shape; flat belt, V belt and special belt.
3. The application focus is :
• The calculation of the transmission ratio;
• The stress analysis calculation of the belt;
• The allowable power of the single V-belt
11. B E LT D R I V E
Advantages Disadvantages
Applicable to the transmission with a large
center distance between the two shafts, the
belt has good flexibility, can mitigate the
impact and absorb vibration;
The outer dimensions of the transmission are
large;
Slip during overload to prevent damage to
other parts;
The tensioning device is required;
Simple structure and low cost Due to slippage, a fixed gear ratio cannot be
guaranteed;
The belt has a short life span;
The Transmission efficiency is low.
12. C H A I N D R I V E
• The chain drive is a transmission method in which the movement and power of
a drive sprocket having a special tooth shape are transmitted to a driven
sprocket having a special tooth shape through a chain.
• Including: Active chain, Driven Chain, Circular Chain
13. A D VA N TA GES
Chain drives have many advantages,
compared to belt drives,
• Inelastic sliding and slipping
phenomenon, accurate average
transmission ratio, reliable operation
and high efficiency;
• The transmission power is large, the
overload capability is strong, and the
transmission size under the same
working condition is small;
• The required tension is small, and the
pressure acting on the shaft is small
• It can work in harsh environments such
as high temperatures, humidity, dust,
and pollution.
D ISA D VA N TA GES
The main disadvantages of the chain
drive are;
• Can only be used for transmission
between two parallel shafts
• High cost
• Easy to wear, easy to stretch, poor
transmission stability
• Additional dynamic loads, vibration,
shoch and noise are generated during
operation
• It should not be used in a fast reverse
drive
C H A I N D R I V E S
14. W H E E L T R A I N
• A transmission consisting of more than two gears is called wheel train.
• According to whether there is axis movement in the wheel train, the gear
transmission can be divided into ordinary gear transmission and planetary gear
transmission
• A gear that has an axis motion in a wheel train is called a planetary gear.
1. The wheel train is divided into two types: Fixed axle train and epicyclic train.
2. The ratio of the angular velocity of the input shaft to the output shaft in the train
is called the gear ratio of the train. It is equal to the ratio of the product of the
number of teeth of all the follower gears in each pair of meshing gears to the
number of teeth of all the driving gears.
3. In the epicyclic gear train, the gear whose axis position changes, that is, the
gear that is both rotated and revolved, is called a planetary gear, and the gear
with a fixed axial position is called a center wheel or a sun gear.
4. The gear ratio of the epicyclic gear train cannot be directly calculated by the
method of solving the fixed axle train ratio. The relative motion method must be
used to convert the epicyclic gear train into a hypothetical fixed axle train using
the principle of relative motion.
15. T H A N K S A L O T
mikayil.qurbanov.2000@mail.ru
mikayilqurbanov9@gmail.com