Lubrication: Energy Dissipation and Engineering Practice

This lecture delves into the topic of lubrication, focusing on the primary dissipation of energy in engineering practice. It explores the significance of lubrication in reducing energy consumption and friction, highlighting its impact on world energy consumption. The lecture discusses the challenges and advancements in lubrication technologies, emphasizing the role of novel materials and surfaces. It covers the principles of lubrication, including thin gap geometry and the Incompressibility assumption. The lecture concludes with the analysis of flow characteristics, such as the Reynolds number and the Poiseuille flow, providing insights into the calculation of forces and pressures in lubrication systems.