Water is preferred over air as a cold temperature source in thermodynamic cycles primarily due to its higher specific heat capacity, which allows for smaller condenser units and reduced mass flow rates, ultimately lowering costs. Additionally, water provides a more stable temperature environment, particularly in large bodies like oceans or rivers. In automotive applications, water cooling enhances engine efficiency by maintaining stable temperatures, while also allowing for a lighter and more compact engine design through separate radiator systems.
PREREQUISITESEngineers, thermodynamics students, automotive designers, and anyone involved in optimizing cooling systems in various applications.
pianoparadise said:I am wondering why water is used instead of air for the cold temperature source for a thermo cycle. My guess is the higher specific heat, which means the condenser unit can be smaller, and the mass flow rate less, which reduces the overall cost.
Are there any other reasons to choose water over air?
In vehicles water cooling is used to maintain more stable engine temperature than it`s possible with air cooling.This is important for engine efficiency.Are there any other reasons to choose water over air?