These slides includes definition of Fluid. Fluid Power, difference between hydraulic and Pneumatics, Advantages of Fluid Power and application of Fluid Power
Introduction to hydraulics and pneumatic by Varun Pratap SinghVarun Pratap Singh
Download Link (Copy URL):
https://sites.google.com/view/varunpratapsingh/teaching-engagements
This file contains basic information about hydraulics and pneumatic systems.
The theoretical foundation of hydraulic machinery is Pascal's law. It uses an incompressible fluid that is under pressure to perform its tasks. The fluid is transported under pressure via hydraulic tubes to its intended application. Pascal's law governs how hydraulic machines function, just like it does for pneumatic ones.
THIS POWER POINT PRESENTATION IS ABOUT DESIGNING AND USE OF HYDRAULIC SYSTEMS.THIS PRESENTATION IS NOT COVERING WHOLE DESIGNING PART BUT YOU CAN REFER IT BY USING LINK GIVEN IN SLIDE NUMBER 12.I AM GRATEFUL TO OTHER AUTHORS WHOSE PRESENTATIONS HAVE WORKED AS REFERENCE FOR THIS PRESENTATION.
COMMENTS ARE ALWAYS WELCOMED.PLEASE FEEL FREE TO GIVE SUGGESTIONS IT HELPS ME TO IMPROVE MYSELF.THANK YOU
Hydraulic System :- A hydraulic system is a system that uses pressurized hydraulic fluid to power hydraulic machinery.
Pneumatic System :- In Pneumatic system Compressed air is Used instead of Liquid
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My slides at Nordic Testing Days 6.6.2024
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Introduction to hydraulics and pneumatic by Varun Pratap SinghVarun Pratap Singh
Download Link (Copy URL):
https://sites.google.com/view/varunpratapsingh/teaching-engagements
This file contains basic information about hydraulics and pneumatic systems.
The theoretical foundation of hydraulic machinery is Pascal's law. It uses an incompressible fluid that is under pressure to perform its tasks. The fluid is transported under pressure via hydraulic tubes to its intended application. Pascal's law governs how hydraulic machines function, just like it does for pneumatic ones.
THIS POWER POINT PRESENTATION IS ABOUT DESIGNING AND USE OF HYDRAULIC SYSTEMS.THIS PRESENTATION IS NOT COVERING WHOLE DESIGNING PART BUT YOU CAN REFER IT BY USING LINK GIVEN IN SLIDE NUMBER 12.I AM GRATEFUL TO OTHER AUTHORS WHOSE PRESENTATIONS HAVE WORKED AS REFERENCE FOR THIS PRESENTATION.
COMMENTS ARE ALWAYS WELCOMED.PLEASE FEEL FREE TO GIVE SUGGESTIONS IT HELPS ME TO IMPROVE MYSELF.THANK YOU
Hydraulic System :- A hydraulic system is a system that uses pressurized hydraulic fluid to power hydraulic machinery.
Pneumatic System :- In Pneumatic system Compressed air is Used instead of Liquid
Unlocking Productivity: Leveraging the Potential of Copilot in Microsoft 365, a presentation by Christoforos Vlachos, Senior Solutions Manager – Modern Workplace, Uni Systems
Climate Impact of Software Testing at Nordic Testing DaysKari Kakkonen
My slides at Nordic Testing Days 6.6.2024
Climate impact / sustainability of software testing discussed on the talk. ICT and testing must carry their part of global responsibility to help with the climat warming. We can minimize the carbon footprint but we can also have a carbon handprint, a positive impact on the climate. Quality characteristics can be added with sustainability, and then measured continuously. Test environments can be used less, and in smaller scale and on demand. Test techniques can be used in optimizing or minimizing number of tests. Test automation can be used to speed up testing.
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Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
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In this session I delve into the encryption technology used in Microsoft 365 and Microsoft Purview. Including the concepts of Customer Key and Double Key Encryption.
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My and Rik Marselis slides at 30.5.2024 DASA Connect conference. We discuss about what is testing, then what is agile testing and finally what is Testing in DevOps. Finally we had lovely workshop with the participants trying to find out different ways to think about quality and testing in different parts of the DevOps infinity loop.
Why You Should Replace Windows 11 with Nitrux Linux 3.5.0 for enhanced perfor...SOFTTECHHUB
The choice of an operating system plays a pivotal role in shaping our computing experience. For decades, Microsoft's Windows has dominated the market, offering a familiar and widely adopted platform for personal and professional use. However, as technological advancements continue to push the boundaries of innovation, alternative operating systems have emerged, challenging the status quo and offering users a fresh perspective on computing.
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2. Definition of Fluid
Definition of Fluid Power
Difference between Pneumatic and Hydraulic
Advantages and Disadvantages of Fluid Power
Application of Fluid Power
HUSSAIN MOHAMED DIDI 2
3. 3
• In physics, fluid - substance that
continually
deforms (flows)
• under an applied shear stress.
•
5. 5
• Fluids > subset of the phases of matter
include
• liquids
• gases
• plasmas
• to some extent, plastic solids.
6. 6
• Liquids
• A liquid is a nearly incompressible
fluid that conforms to the shape of its
container but retains a constant
volume independent of pressure
Examples of Liquids
• Water.
• Milk.
• Blood.
• Gasoline.
• Mercury (an element)
• Bromine (an element)
18. 1. Ideal fluid: Incompressible & no viscosity.
Only a theoretical fluid.
example: water, blood, clay … etc.
2. Real fluid: posses viscosity.
All the fluids, in actual practice are real fluids.
example: petrol, diesel … etc.
20
19. 3. Newtonian fluid: obeys the law of Newton (shear stress is
directly proportional to the rate of shear strain).
- described the flow behavior of fluids with a simple linear
relation between shear stress [mPa] and shear rate [1/s]. This
relationship is now known as Newton's Law of Viscosity,
where the proportionality constant η is the viscosity [mPa-s]
of the fluid:
Example: kerosene
21
20. 4. Non-Newtonian fluid: shear stress is not directly
proportional to the rate of shear strain. – viscosity/length
known as
22
21. 5. Ideal plastic fluid: shear stress is more than the yield
value and shear stress is proportional to the rate of shear
strain
23
23. Fluid power is the technology that deals:
generation,
control, and
transmission of power using pressurized
fluids.
25
24. It can be said that fluid power is the muscles that moves
industry.
Fluid power is used to:
push
pull
regulate, or
drive virtually all the machines.
Ex:
Fluid power steers, & Breaks automobiles.
Air planes
Processing food
26
25. Fluid Power is a type of power transmission that uses
fluid,
such as liquids or
gases
to transmit power from one location to another.
This type of power transmission is used in a wide range
of applications
including hydraulic systems and
other types of machinery.
27
26. Hydraulic systems use liquids, such as
oil or
water
to transmit power.
These systems typically use pumps to pressurize the fluid,
which is then used to power
cylinders,
motors,
or other types of actuators.
28
27. Hydraulic systems are commonly used in heavy machinery,
such as construction equipment,
as well as industrial applications,
such as manufacturing and
processing
29
30. differences between Pneumatic & Hydraulic “fluid power”
is called
Pneumatic - fluid is gas
Hydraulic - fluid is liquid.
Pneumatic system use air as gas medium
air is very abundant
can exhausted to atmosphere
after completing its assigned task.
32
31. Fluid power systems are designed specifically to perform
work.
work is accomplished by pressurized fluid bearing
directly on
an operating fluid cylinder or
fluid motor.
33
32. fluid cylinder produces a force resulting
linear motion.
fluid motor produces a torque resulting in
rotary motion.
34
33. methods of transmitting power.
Electrical
Mechanical
Fluid power
most application actually use
combination of these 3 methods to obtain most efficient overall
system.
35
34. ADVANTAGES
Transmit power economically over greater
distance than mechanical types
Easy and accuracy of control: by use of
simple levers and push button operator of
fluid power can start, stop, speed or slow
down, with accuracy and desired power. Ex
aircraft rise & lower landing gear.
Constant force or torque: Only fluid power
systems are capable of providing constant
force or torque regardless of speed changes.
Fluid power systems also have the highest
power per weight ratio of any known power
source. 36
36. ADVANTAGES OF
HYDRAULICS
The advantages of hydraulics over the other
forms of power transmission are:
An infinite control of speed
An infinite control of pressure
An instant change of direction, including
stopping and starting
It is self lubricating
Large forces are transmitted
Pipes and hoses can run at any angle
Systems are relatively compact for the forces
transmitted
Leaks are easy to detect
38
37. ADVANTAGES OF
PNEUMATICS
The advantages of pneumatics over the other
forms of power transmission are:
Light equipment
Does not require return lines for the use fluid
Air does not cost anything
No storage facilities are required for the used fluid
Air does not cost anything
There is no heavy fluid in the system
High speeds can be achieved
Components are relatively cheap
There is no risk of environmental contamination
from the fluid
Can be safely used in explosion risk areas
Very little effect from temperatures up to 120°C
39
38. DISADVANTAGES
It also has some draw backs
Hydraulic oil are messy and leakage is impossible to
eliminate completely.
Hydraulic line can burst possibly resulting injuries to
people.
Prolong exposure to loud noise originate from pumps
can result in loss of hearing.
40
39. APPLICATION OF FLUID
POWER
Fluid power drives high-wire overhead tram.
Fluid power is applied to harvesting corn
Fluid power is the muscles in industrial lift truck:-
Fork lift
Fluid power drives excavators.
Door closer
Dentist chair
Hydraulic press
Hydraulic Shaper, Pneumatic Screw Driver
Hydraulic jack… etc.
41
40. INDUSTRIAL USERS OF FLUID
POWER
Manufacturing: handling, bundling, tying, presses,
machine tools, mixing and lifting.
Mining: continuous miners, pit props & drills.
Agriculture: farming equipment.
Aircraft: the undercarriage, general flying controls, cargo
cramps & keeping wings de-iced
Marine: steering, stabilizers, winches, cargo doors,
Forestry: earth moving equipment, tree loppers and tree
stripers
Transport: automatic doors on trains, brakes and lifting
equipment
Entertainment
42
45. LOG SPLITTER
The major components of a log splitter are shown below:
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