Mechanical Engineering Portal

Comparison of electrical, hydraulic and pneumatic systems can be done in aspects like energy source, energy storage, energy cost, distribution system, linear actuators, rotary actuators and controllable force. S.no Aspect Electrical Hydraulic Pneumatic …

Comparison of the Vapor Absorption System with the Vapor Compression System can be made in 9 aspects: energy input, moving part, evaporator pressure, load variation, evaporator exit, coefficient of performance, capacity,  refrigerant,  and lowest temperatures. S.n…

A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle to extract heat from another body or substance. Ice, cold water, cold air, etc., can be treated as refrigerants. Desired properties of Refrigerants: 1. Vapor density:…

In a liquid-cooling system , water or other solutions flow through the water jacket around the cylinder and cylinder head to absorb the heat. The hot liquid from the water jacket is cooled in the radiator, where circulated air absorbs the heat from the radiator. The co…

Comparison between work and internal energy can be made in the following ways. Comparison between work and internal energy can be made in the following ways. S.no Work Internal Energy 1 The work is the product of force and displacement in the direction…

The total energy of all the microscopic motion models is called internal energy (U) . Internal energy is the energy associated with the molecular structure and molecular activity of the system's constituent particles. In general, the individual molecules…

Comparisons between Flywheel and  Governors  are made in the following aspects: purpose, principle, application, and mechanism. S.no Flywheel Governors 1 Flywheel is provided on the engine and fabricating machines, viz., rolling mills, punching machines,…