This document discusses the impact of liquid jets on flat and curved plates that may be stationary or moving. It covers the following key points:
1. Equations are derived for the force exerted on a stationary flat plate based on momentum and Bernoulli's theorem.
2. The concept of a moving control volume is introduced to analyze the force on a moving flat plate from a jet.
3. Velocity triangles are used to determine the absolute velocity of the jet as it leaves a curved plate that may be stationary or moving.
single degree of freedom systems forced vibrations KESHAV
SDOF, Forced vibration
includes following content
Forced vibrations of longitudinal and torsional systems,
Frequency Response to harmonic excitation,
excitation due to rotating and reciprocating unbalance,
base excitation, magnification factor,
Force and Motion transmissibility,
Quality Factor.
Half power bandwidth method,
Critical speed of shaft having single rotor of undamped systems.
single degree of freedom systems forced vibrations KESHAV
SDOF, Forced vibration
includes following content
Forced vibrations of longitudinal and torsional systems,
Frequency Response to harmonic excitation,
excitation due to rotating and reciprocating unbalance,
base excitation, magnification factor,
Force and Motion transmissibility,
Quality Factor.
Half power bandwidth method,
Critical speed of shaft having single rotor of undamped systems.
1. Introduction to Kinematics
2. Methods of Describing Fluid Motion
a). Lagrangian Method
b). Eulerian Method
3. Flow Patterns
- Stream Line
- Path Line
- Streak Line
- Streak Tube
4. Classification of Fluid Flow
a). Steady and Unsteady Flow
b). Uniform and Non-Uniform Flow
c). Laminar and Turbulent Flow
d). Rotational and Irrotational Flow
e). Compressible and Incompressible Flow
f). Ideal and Real Flow
g). One, Two and Three Dimensional Flow
5. Rate of Flow (Discharge) and Continuity Equation
6. Continuity Equation in Three Dimensions
7. Velocity and Acceleration
8. Stream and Velocity Potential Functions
This mini project is based on Pascal's Law. Upload of the file is only for education purpose. New commerce from science background can get a basic idea to do a mini project.
Lecture slides on the calculation of the bending stress in case of unsymmetrical bending. The Mohr's circle is used to determine the principal second moments of area.
Reynolds number and geometry concept, Momentum integral equations, Boundary layer equations, Flow over a flat plate, Flow over cylinder, Pipe flow, fully developed laminar pipe flow, turbulent pipe flow, Losses in pipe flow
1. Introduction to Kinematics
2. Methods of Describing Fluid Motion
a). Lagrangian Method
b). Eulerian Method
3. Flow Patterns
- Stream Line
- Path Line
- Streak Line
- Streak Tube
4. Classification of Fluid Flow
a). Steady and Unsteady Flow
b). Uniform and Non-Uniform Flow
c). Laminar and Turbulent Flow
d). Rotational and Irrotational Flow
e). Compressible and Incompressible Flow
f). Ideal and Real Flow
g). One, Two and Three Dimensional Flow
5. Rate of Flow (Discharge) and Continuity Equation
6. Continuity Equation in Three Dimensions
7. Velocity and Acceleration
8. Stream and Velocity Potential Functions
This mini project is based on Pascal's Law. Upload of the file is only for education purpose. New commerce from science background can get a basic idea to do a mini project.
Lecture slides on the calculation of the bending stress in case of unsymmetrical bending. The Mohr's circle is used to determine the principal second moments of area.
Reynolds number and geometry concept, Momentum integral equations, Boundary layer equations, Flow over a flat plate, Flow over cylinder, Pipe flow, fully developed laminar pipe flow, turbulent pipe flow, Losses in pipe flow
Traction effort required to move the working part of an experienced cultivator-fertilizer in the soil depends on many factors. These include friction coefficients of the soil, weight and humidity. In this article we arebconduct a theoretical research, the purpose of which is to establish a relationship between the physicomechanical properties, parameters of the under development working part and the technological parameters of its work
Modal 02: Question Number 4 a & 4 b General Analysis of Turbo machines
i. Radial flow compressors and pumps – general analysis,
ii. Effect of blade discharge angle on energy transfer
iii. Expression for degree of reaction,
iv. Effect of blade discharge angle on degree of reaction,
v. Effect of blade discharge angle on performance,
vi. General analysis of axial flow pumps and compressors,
vii. Expression for degree of reaction and Utilization factor in Axial Flow Turbine
viii. Derivation of General Equations
Previous Year Question papers
Module 02: Energy exchange in Turbo machines
Modal 02: Question Number 3 a & 3 b
i. Basic Introduction
ii. Euler’s turbine equation
iii. Alternate form of Euler’s turbine equation
iv. Components of energy transfer
v. Degree of Reaction
vi. Velocity triangles for different values of degree of reaction
vii. Utilization factor
viii. Relation between degree of reaction and Utilization factor
ix. List of Formulas
x. Previous Year Question papers
Pressure distribution around a circular cylinder bodies | Fluid Laboratory Saif al-din ali
SAIF ALDIN ALI MADIN
سيف الدين علي ماضي
S96aif@gmail.com
A cylinder in a closed circuit wind tunnel will be experimented upon
to gather the pressure distribution acting on it
Laminar flow is defined when a fluid flows in parallel layers, with no
disruption between the layers. In comparison to this Turbulent flow
has a much more disorganized pattern, it is characterized by
mixing of the fluid by eddies of varying size within the flow.
The Reynolds number (Re), gives the measure for laminar and
turbulent flows. Laminar flow takes place when Reynolds number
is lower than 104, and for Turbulent flow the Re must be greater
than 3Ã-105.
The pressure is measured using the manometer, and then
therefore the pressure at the tapping must be the same as the
pressure head.
The cylinder being experimented on is placed in the wind tunnel.
The pressure upstream of the cylinder is sensed by a taping on the
tunnel wall and is connected to one of the tubes.
management and economics
principle of management
level of attachments of files
organization ,different category
managerial skills,development
bussiness
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.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
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.
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.
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Fundamentals of Electric Drives and its applications.pptx
Impact of jet
1. Impact of Jet
COURSE COORDINATOR - DR. V.R. KALAMKAR ,
DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
• Flat Plate, Curved Plate
• Stationary and Moving Plate
2. Liquid Jet
COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
A stream of liquid flowing through some kind of orifice, nozzle,
aperture when projected to surrounding medium. The liquid
coming out is in the form of a Jet.
Jet[1]
1. Anderson Jr, J.D., 2010. Fundamentals of aerodynamics. Tata McGraw-Hill Education.
3. Impact of Jets
COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
If a plate is placed in its path, it will exert force on the plate or vane .
Depending upon the flat properties, different cases are possible like
1. Stationary Plate
2. Inclined or Vertical
3. Flat or Curved Plate
4. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
Force exerted on stationary flat plate(inclined)
V is the jet velocity
Q is Volume Flow Rate
D is the diameter of the jet
Θ is the inclination angle
A it the area of jet
Other symbols have standard notation.
Assumptions:-
1. Fluid is inviscid
2. Pressure is constant
3. Elevation difference between inlet and outlet point is
neglected
By Bernoulli Theorem,
Inlet Velocity = Outflow Velocity
5. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
• In order to calculate the amount of force on plate, the
reference axes are taken along the plate surface (OS)
and perpendicular(ON) to plate surface.
Along the OS plane, only frictional force is acting and
they are negligible.
Thus, Net force parallel to plate i.e. OS is Zero
Fs = 0
Momentum Theorem in OS direction,
𝜌𝑄2 𝑉 + 𝜌𝑄1 −𝑉 − 𝜌𝑄𝑉𝑐𝑜𝑠𝜃 = 𝐹𝑠 =0
𝑄2 − 𝑄1 = 𝑄 𝑐𝑜𝑠𝜃
As 𝑄2 + 𝑄1 = 𝑄 ;
Thus, 𝑄2 =
𝑄
2
1 + 𝑐𝑜𝑠𝜃 𝑜𝑟 𝑄1 =
𝑄
2
(1 + 𝑐𝑜𝑠𝜃)
6. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
Forces in a perpendicular plane ON
𝜌𝑄2 0 + 𝜌𝑄1 0 − 𝜌𝑄𝑉𝑠𝑖𝑛𝜃 = 𝐹𝑛;
𝐹𝑛 = −𝜌𝑄𝑉𝑠𝑖𝑛𝜃
Negative sign indicates the opposite direction.
Thus force acting on the plane;
𝐹𝑝= 𝐹𝑠 + 𝐹𝑛;
𝑭 𝒑 = 𝝆𝑸𝑽𝒔𝒊𝒏𝜽
If stationary plate is allowed to move with u
velocity, then work done rate will be:
𝜕𝑊
𝜕𝑡
= 𝑃 = 𝐹𝑃 𝑠𝑖𝑛𝜃. 𝑢 = ρ𝑄𝑉|𝑢|𝑠𝑖𝑛2
𝜃
u
This equation cannot be written for already moving
plate as force exerted on plate will be different.
7. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
Moving Flat plate
Consider a flat plate moving with velocity U as shown in figure.
θ
V is the jet velocity
Q is Volume Flow Rate
D is the diameter of the jet
Θ is the inclination angle
A it the area of jet
Other symbols have standard notation.
8. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
Moving Flat plate
This plate can be observed from stationary or moving
reference.
Consider a fixed Point O’ , when the moving plate is
observed from this point the flow structure at O’ keeps
changing and thus flow is unsteadiness w.r.t O’.
But if we observe the plate from a point the plate or moving
volume , this concept is called moving control volume.
9. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
To calculate the force exerted by jet on moving
plate resolve the forces along 2 axes;
Moving Flat plate
Consider a coordinate system in moving plane and
corresponding axes are ON or OS as shown in figure.
𝐴𝑙𝑜𝑛𝑔 𝑂𝑆, 𝐹𝑠 = 0;
𝐴𝑙𝑜𝑛𝑔 𝑂𝑁, 𝐹 𝑁 = 𝜌𝑄 𝑉 − 𝑢 𝑠𝑖𝑛𝜃
𝑄 = 𝑉 − 𝑢 𝑎
If V= u; Q = 0 ( No flow)
If V < u; Q < 0 ( No flow)
𝐹 𝑁 = 𝜌 𝑉 − 𝑢 𝑎 𝑉 − 𝑈 𝑠𝑖𝑛𝜃
or
Thus , 𝑭 𝑵 = 𝝆𝒂 𝑽 − 𝑼 𝟐
𝒔𝒊𝒏𝜽
Power, 𝑷 = 𝝆𝒂 𝑽 − 𝒖 𝟐 𝒖 𝒔𝒊𝒏𝜽
10. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
Velocity Triangle at Outlet
(𝑉 − 𝑢) 𝑖𝑠 𝑟𝑒𝑙𝑎𝑡𝑖𝑣𝑒 𝑣𝑒𝑙𝑜𝑐𝑖𝑡𝑦 𝑉𝑅.
𝑉𝑅 is velocity with which fluid
comes out after striking the
plate.
For shockless, flow, 𝑉𝑅 should
be parallel to solid surface of
the plate.
The fluid comes out with a
absolute velocity 𝑉𝑜 its
magnitude and direction are
given by velocity triangle.
11. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
Impact of jet on Curved plate (moving)
Consider a curved plate moving with velocity u, jet
comes in with velocity V1 and leaves with V2 .
A control volume is considered which is moving with
velocity u in shown direction, the exerted force is
calculated in direction of moving velocity i.e. OX
direction. Force in OY direction is negligible.
𝑉1 is inlet velocity.
𝑉2 is outlet velocity.
U is blade velocity.
∝1 𝑖𝑠 𝑎𝑛𝑔𝑙𝑒 𝑏𝑒𝑡𝑤𝑒𝑒𝑛 𝑖𝑛𝑙𝑒𝑡 𝑣𝑒𝑙𝑜𝑐𝑖𝑡𝑦 𝑉1 𝑎𝑛𝑑 𝑢 𝑤ℎ𝑒𝑟𝑒𝑎𝑠 ∝2 𝑖𝑠 𝑎𝑛𝑔𝑙𝑒 𝑏𝑒𝑡𝑤𝑒𝑛 𝑜𝑢𝑡𝑙𝑒𝑡 𝑣𝑒𝑙𝑜𝑐𝑖𝑡𝑦 𝑎𝑛𝑑 𝑏𝑙𝑎𝑑𝑒 𝑣𝑒𝑙𝑜𝑐𝑖𝑡𝑦 𝑢.
𝛽1 𝑎𝑛𝑑 𝛽2 𝑎𝑟𝑒 𝑎𝑛𝑔𝑙𝑒 𝑏𝑒𝑡𝑤𝑒𝑒𝑛 𝑟𝑒𝑙𝑎𝑡𝑖𝑣𝑒 𝑣𝑒𝑙𝑜𝑐𝑖𝑡𝑦 𝑎𝑛𝑑 𝑏𝑙𝑎𝑑𝑒 𝑣𝑒𝑙𝑜𝑐𝑖𝑡𝑦 𝑟𝑒𝑠𝑝𝑒𝑐𝑡𝑖𝑣𝑒𝑙𝑦.
12. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
𝐹𝑥 = 𝜌𝑄 −𝑉𝑟2 𝑐𝑜𝑠𝛽2 − 𝜌𝑄(𝑉𝑟1 𝑐𝑜𝑠𝛽1) ;
𝐹𝑥 = −𝜌𝑄(𝑉𝑟1 𝑐𝑜𝑠𝛽1 + 𝑉𝑟2 𝑐𝑜𝑠𝛽2)
Thus force acting on plate is given by
𝑭 𝑷𝒙= 𝝆𝑸(𝑽 𝒓𝟏 𝒄𝒐𝒔𝜷 𝟏 + 𝑽 𝒓𝟐 𝒄𝒐𝒔𝜷 𝟐).
Impact of jet on Curved plate (moving)
Force exerted in x- direction is given by
13. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
Inlet Velocity Triangle
Tangential component of 𝑽 𝟏 = 𝑽 𝒓𝟏 𝒄𝒐𝒔𝜷 𝟏 = 𝑽 𝒘𝟏
Outlet Velocity Triangle
Tangential component of 𝑽 𝟐 = 𝑽 𝒓𝟐 𝒄𝒐𝒔𝜷 𝟐 = 𝑽 𝒘𝟐
Thus, force equation will become;
𝑭 𝑷𝒙= 𝝆𝑸(𝑽 𝒘𝟏 + 𝑽 𝒘𝟐)
14. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
1. Select the correct assumptions for analysing flow of a jet that is deflected by a fixed or moving vane:
a. The moment of the jet is fixed.
b. The absolute speed does not change along the vane.
c. The fluid flows on to the vane without shock.
d. Friction between jet and vane is neglected
e. The velocity is uniform over the cross-section of the jet before and after contacting the vane.
Problems
15. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
2. When a steady inviscid jet impinges on a fixed inclined plane surface.
a. The momentum in the direction of the approach velocity is unchanged.
b. Force component along the plane surface exerted on the jet by the surface is zero.
c. The flow is divided into parts directly proportional to the angle of inclination of the surface.
d. The speed is reduced for that portion of the jet turned through more than 90° and increased for the other
portion.
e. The momentum component is unchanged parallel to the surface.
16. COURSE COORDINATOR - DR. V.R. KALAMKAR, DEPARTMENT OF MECHANICAL ENGINEERING,
VNIT, NAGPUR
3. A jet of water issuing from a nozzle strikes a flat plate normally .The plate moves towards the nozzle at a velocity of
10m/s while the jet issuing from the nozzle has a velocity of 15m/s. Compute the absolute velocity components of
the jet (in m/s) as it leaves the vane, parallel(x component) and normal (y component) to the undistributed jet.
Neglect friction on the surface.
a. 𝑣 𝑥 = 5, 𝑣 𝑦 = 5;
b. 𝑣 𝑥 = −5, 𝑣 𝑦 = 5;
c. 𝑣 𝑥 = 10, 𝑣 𝑦 = 10;
d. 𝑣 𝑥 = −10, 𝑣 𝑦 = 25;
e. 𝑣 𝑥 = 15, 𝑣 𝑦 = 15;