Vapour Compression Refrigeration Cycle: Working, p-h Diagram, COP and Refrigerants
The vapour compression refrigeration cycle moves heat from a cold space to a warmer one by circulating a refrigerant through four components in a…Read More →
Mechanical Engineering
Mechanical engineering explained simply: engineering mechanics, strength of materials, thermodynamics, pumps, HVAC and machine elements, with formulas and worked examples.
Law of Conservation of Energy: Statement, Derivation and Examples
The law of conservation of energy states that energy can neither be created nor destroyed; it can only be changed from one form to…Read More →
Limitations of the First Law of Thermodynamics (and How the Second Law Fixes Them)
The main limitations of the first law of thermodynamics are that it says nothing about the direction of a process, does not limit how…Read More →