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What is Thermodynamic Reversed Heat Engine?

The reversed heat engine works on the principle of reversed Carnot cycle. The heat engine produces work by absorbing heat from source and liberating some heat to sink. The reversed heat engine transfers the heat from sink to the source with the help of external work.

Published by Haresh Khemani (14,059 pts

) on Aug 15, 2008 to
Mechanical Engineering Articles

Different Statements of Second Law of Thermodynamics

The findings on second law of thermodynamics by Carnot were further bolstered by the research carried out by a number of scientists. Two other statements that became popular came from Kelvin-Planck and Clausius. All these have been described here.

Published by Haresh Khemani (14,059 pts

) on Aug 14, 2008 to
Mechanical Engineering Articles

How Sadi Carnot’s Findings Led to Invention of Second Law of Thermodynamics

The second law of thermodynamics is considered to be the most fundamental law of science. The foundation stone of this law was laid down by young french scientist Sadi Carnot in the year 1824. Let us see how his findings led to invention of second law of thermodynamics.

Published by Haresh Khemani (14,059 pts

) on Aug 14, 2008 to
Mechanical Engineering Articles

Air Standard Cycle: Part – 1

To carry out the analysis of the heat engines, the concept of air standard cycles was conceived. In these cycles certain mass of air is considered to be working in the thermodynamic cycle.The two most commonly used air standard cycles are Otto cycle and Diesel cycle.

Published by Haresh Khemani (14,059 pts

) on Aug 9, 2008 to
Mechanical Engineering Articles

Why is the Stirling Engine not used in Cars?

It is said that Stirling engine, which works on the principle of Stirling cycle, can give the maximum possible efficiency and they create least pollution since they use gas as the working fluid. Even then they are not used in the cars, why?

Published by Haresh Khemani (14,059 pts

) on Aug 7, 2008 to
Mechanical Engineering Articles

Thermodynamic Stirling Cycle and Stirling Engine: Part - 2

Thermodynamic Stirling cycle comprises to two reversible isothermal and two reversible isochoric processes. In the initial years the Stirling engines were used frequently but were later replaced by other engines. In the recent years they have been gaining their lost ground.

Published by Haresh Khemani (14,059 pts

) on Aug 6, 2008 to
Mechanical Engineering Articles

Thermodynamic Stirling Cycle and Stirling Engine - Part 1

Thermodynamic Stirling cycle comprises to two reversible isothermal and two reversible isochoric processes. In the initial years the Stirling engines were used frequently but were later replaced by other engines. In the recent years they have been gaining their lost ground.

Published by Haresh Khemani (14,059 pts

) on Aug 6, 2008 to
Mechanical Engineering Articles

Browse by Tags

What is Thermodynamic Reversed Heat Engine?

Different Statements of Second Law of Thermodynamics

How Sadi Carnot’s Findings Led to Invention of Second Law of Thermodynamics

Air Standard Cycle: Part – 1

Why is the Stirling Engine not used in Cars?

Thermodynamic Stirling Cycle and Stirling Engine: Part - 2

Thermodynamic Stirling Cycle and Stirling Engine - Part 1

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