If the pressure of a substance is increased during a boiling process, will the temperature also increase or will it remain constant? Why? Ans: If the pressure of a substance increases during a boiling process, the temperature also increases since the boiling (or saturation) temperature of a pure substance depends on pressure and increases with […]
Classical and the statistical approaches to thermodynamics: Classical thermodynamics is based on experimental observations whereas statistical thermodynamics is based on the average behaviour of large groups of particles. The light-year: In this unit, the word light refers to the speed of light. The light-year unit is then the product of a velocity and time. Hence,
After the working fluid expands and produces work. Therefore, the working fluid is still hot. To reuse it again, the fluid must be cooled back through leaving the heat to a heat Sink or in case of a heat engine a condenser must be used. In case of the removal of condenser Let us take
A jet engine is a reaction engine that produces thrust by expelling high-velocity gases through a nozzle. Turbojet engines operate on the open Brayton cycle, which consists of four continuous processes: intake, compression, combustion, and expansion (exhaust). Atmospheric air is drawn into the engine and compressed by the compressor, mixed with fuel, and burned at
A system that is not undergoing any change possesses a unique condition defined by its measurable properties, such as temperature, pressure, and volume. This specific condition is known as the state of the system. A complete set of these properties fully describes the state. If the value of any single property changes, the system shifts to a new, distinct
All activities in nature involve some interaction between energy and matter; thus, it is hard to imagine an area that does not relate to thermodynamics in some manner. Therefore, developing a good understanding of basic principles of thermodynamics has long been an essential part of engineering education. Thermodynamics is commonly encountered in many engineering systems
