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+ | ===== Heat and Thermodynamics (Nasir Pervaiz Butt) ===== | ||
+ | BSc/BS notes on "Heat and Thermodynamics" | ||
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+ | Heat is energy that flows between the system and its environment by the virtue of a temperature difference between them. Heat is measured in unit of joule or calorie...[[bsc: | ||
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+ | The branch of Physics which deals with the conversion of heat energy into mechanical energy and vice versa is called thermodynamics...[[bsc: | ||
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+ | Heat engine is a device that converts heat energy into mechanical energy. Every heat engine takes heat from a hot body (source), converts a part of it into work and rejects the remaining part to a cold body (sink). A heat engine carries some working substance through a cyclic process during which...[[bsc: | ||
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