Applied Hydraulics and Pneumatics is a comprehensive engineering textbook that presents the fundamental principles, components, design concepts, and practical applications of modern fluid power technology. The book provides a systematic understanding of hydraulic and pneumatic systems, emphasizing the transmission, control, and conversion of energy through pressurized liquids and compressed gases. It explores the basic principles of fluid power, properties and selection of working fluids, Pascal’s law, fluid flow, friction losses, hydraulic power sources, and different types of hydraulic pumps. It further explains hydraulic actuators, cylinders, motors, directional control valves, flow control valves, pressure control valves, servo valves, proportional valves, and essential hydraulic accessories. The book offers detailed coverage of hydraulic circuits and systems, including accumulators, intensifiers, regenerative circuits, pump unloading circuits, sequence circuits, reciprocation circuits, synchronization circuits, fail-safe circuits, speed control circuits, hydrostatic transmission, and electrohydraulic systems. It also introduces pneumatic and electro-pneumatic technologies, covering air properties, gas laws, compressors, filters, regulators, lubricators, control valves, pneumatic actuators, and pneumatic circuit design. Important topics such as the cascade method, ladder diagrams, fluidics, and pneumatic logic circuits provide an understanding of automated industrial control systems. The book also highlights the installation, selection, maintenance, troubleshooting, and practical implementation of hydraulic and pneumatic components. Industrial applications involving drilling, planing, shaping, surface grinding, hydraulic presses, forklifts, CNC machine tools, pick-and-place mechanisms, tool handling, and low-cost automation are discussed to strengthen practical engineering knowledge. With its structured explanations and application-oriented coverage, this textbook serves as a valuable learning resource for undergraduate engineering students, diploma students, educators, technicians, and practicing engineers. It supports the development of essential skills in fluid power system design, component selection, circuit development, operational control, preventive maintenance, and industrial automation.
About the Authors’
Dr. Kishor Wagh is a dedicated academician with over 22 years of teaching and research experience in the fields of Mechanical Engineering and Management Studies. He currently serves as FY HoD & Dean Academics in Guru Nanak Institute of Engineering, Nagpur. His expertise spans Engg. Graphics, Thermal engineering, Hydraulic Machine & Pneumatic circuit, Energy Conversion, Hybrid vehicle, Renewable Energy sources and management studies reflecting a strong multidisciplinary approach. He has guided numerous undergraduate & post graduate projects, published research papers in reputed journals, secured patents, and authored an academic textbook. In addition, he has played an active role in institutional development through contributions to NAAC and Autonomous accreditation processes. Also work as resource person in National level FDP/STTP. His work demonstrates a strong commitment to integrating modern technologies with engineering education and fostering innovation and quality in academia.
Mr. R. M. Saravana Kumar is an accomplished professional with over 20 years of experience across academia, industry, and research, demonstrating a strong blend of practical and theoretical expertise. He is widely recognized as an in polytechnic college expert, having trained more than 2,000 students, faculty members, and professionals. He has delivered numerous guest lectures and industry sessions on Product Design and Manufacturing, bridging the gap between academic learning and real-world applications. His expertise includes advanced engineering software such as Autodesk Fusion, SolidWorks, Creo, and CATIA. He has conducted more than 100 FDPs, SDPs, and professional training programs for academic and industry audiences. During his tenure as Director – PDM at Medini Technologies, he played a key role in introducing Autodesk Fusion into VTU and other universities. His contributions reflect a strong commitment to skill development, innovation, and modern engineering education.
Dr. S. Suresh is an accomplished academician and researcher with over 24 years of teaching experience in Mechanical Engineering. He is currently serving as an Associate Professor in the Department of Mechanical Engineering at Velammal Engineering College, Chennai. He obtained his B.E. in Mechanical Engineering (1999) with First Class and M.E. in Production Engineering (2002) with Distinction from Madurai Kamaraj University, Madurai. He earned his Ph.D. from the College of Engineering Guindy, Anna University, Chennai, in 2008. Dr. S. Suresh has published over 25 research papers in reputed national and international journals and conferences, and holds both national and international patents. He has actively organized Faculty Development Programmes (FDPs), conferences, and workshops for the academic community. His teaching expertise spans several core subjects, including Engineering Graphics, Theory of Machines, Hydraulics and Pneumatics, Computer Integrated Manufacturing, Robotics, and Manufacturing Automation. He is widely recognized for his commitment to academic excellence, research contributions, and mentoring students and faculty members.
Mr. V. Siva Nagi Reddy working as a Associate Professor in the Department of Mechanical Engineering at Aditya University, Surampalem. He graduated in Mechanical Engineering at S.V.V.S.N Engineering College. He secured Master of Engineering in Thermal Engineering from Newtons Engineering College. He is in teaching profession for more than 13 years. He Guided Many UG and PG projects and published many research papers in Reputed Journals. His areas of research include Electric vehicles, Alternate fuels and Refrigeration and Air conditioning. He is a member of Institution of Engineers (India).
