Sadi Carnot

Robert Stirling and the Stirling Engine

Robert Stirling and the Stirling Engine

On October 25, 1790, Scottish clergyman Reverend Dr Robert Stirling was born. Stirling is best known for his invention of the Stirling engine, a heat engine that operates by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work. Robert Stirling Youth and Education Robert Stirling was born at Cloag Farm near Methven, Perthshire,…
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Lord Kelvin and the Analysis of Thermodynamics

Lord Kelvin and the Analysis of Thermodynamics

On December 17, 1907, Irish physicist William Thomson, 1st Baron Kelvin of Largs, passed away. Thomson did important work in the mathematical analysis of electricity and formulation of the first and second laws of thermodynamics. Absolute temperatures are stated in units of kelvin in his honour. He was ennobled in 1892 in recognition of his achievements in thermodynamics. Go, wondrous creature! mount where Science guides; Go measure earth, weigh air, and state…
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Nicolas Sadi Carnot and the Science of Thermodynamics

Nicolas Sadi Carnot and the Science of Thermodynamics

On June 1, 1796, French military engineer and physicist Nicolas Léonard Sadi Carnot was born. He is often described as the “father of thermodynamics“. In particular, Carnot gave the first successful theory of the maximum efficiency of heat engines. Carnot’s work attracted little attention during his lifetime, but it was later used by Rudolf Clausius and Lord Kelvin to formalize the second law of thermodynamics and define the concept of entropy. Carnot Background Sadi…
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Rudolf Clausius and the Science of Thermodynamics

Rudolf Clausius and the Science of Thermodynamics

On January 2, 1822, German physicist and mathematician Rudolf Julius Emanuel Clausius was born. He is considered one of the central founders of the science of thermodynamics, who introduced the concept of entropy in 1865. “If for the entire universe we conceive the same magnitude to be determined, consistently and with due regard to all circumstances, which for a single body I have called entropy, and if at the same time we introduce…
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Rudolf Diesel and his famous Engine

Rudolf Diesel and his famous Engine

On March 18, 1858, German inventor and mechanical engineer Rudolf Diesel was born, who invented the eponymous Diesel engine that uses the heat of compression to initiate ignition to burn the fuel. “The automobile engine will come, and then I will consider my life’s work complete.” – Rudolf Diesel Early Years Rudolf Diesel was born and grew up in Paris, known as an excellent student and awarded with a medal for his achievements…
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