CHAPTER 1: Fundamentals of Fluid Power | Hydraulics & PneumaticsThis book is written to serve the needs of under graduate students embarking introductory course in Applied Hydraulics and Pneumatics. Each unit contains two mark questions and answers, review questions. Model question papers are added at the tail end of this book. With these features, we sincerely hope that this book would serve as a valuable text for the students. We welcome constructive criticism on any specific topics of this book. The reason is the electronic devices divert your attention and also cause strains while reading eBooks.
Applied Hydraulics and Pneumatics (AHP)
Fluid power is the use of fluids under pressure to generate, control, and transmit power. Fluid power is subdivided into hydraulics using a liquid such as mineral oil or water , and pneumatics using a gas such as air or other gases. Compressed-air and water-pressure systems were once used to transmit power from a central source to industrial users over extended geographic areas; fluid power systems today are usually within a single building or mobile machine. Fluid power systems perform work by a pressurized fluid bearing directly on a piston in a cylinder or in a fluid motor. A fluid cylinder produces a force resulting in linear motion, whereas a fluid motor produces torque resulting in rotary motion. Within a fluid power system, cylinders and motors also called actuators do the desired work.
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Introduction to fluid power, Advantages of fluid power, Application of fluid power system. Types of fluid power systems, General types of fluids — Properties of hydraulic fluids —Fluid power symbols. Sources of Hydraulic Power : Pumping theory — Pump classification —construction and working of pumps — Variable displacement pumps, pump performance.
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