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  2. Theory and Construction of a Rational Heat Motor - Wikipedia

    en.wikipedia.org/wiki/Theory_and_Construction_of...

    25-year-old Rudolf Diesel Diesel's patent DRP 67 207. Theory and Construction of a Rational Heat Motor (German: Theorie und Konstruktion eines rationellen Wärmemotors zum Ersatz der Dampfmaschine und der heute bekannten Verbrennungsmotoren; English: Theory and construction of a rational heat motor with the purpose of replacing the steam engine and the internal combustion engines known today ...

  3. Hot air engine - Wikipedia

    en.wikipedia.org/wiki/Hot_air_engine

    1. Power piston, 2. Cold end of cylinder, 3.Displacer piston 4. Hot end of cylinder Q1. Heat in, Q2. Heat out. A hot air engine [1] (historically called an air engine or caloric engine [2]) is any heat engine that uses the expansion and contraction of air under the influence of a temperature change to convert thermal energy into mechanical work.

  4. Applications of the Stirling engine - Wikipedia

    en.wikipedia.org/wiki/Applications_of_the...

    It is often claimed that the Stirling engine has too low a power/weight ratio, too high a cost, and too long a starting time for automotive applications. They also have complex and expensive heat exchangers. A Stirling cooler must reject twice as much heat as an Otto engine or diesel engine radiator. The heater must be made of stainless steel ...

  5. Heat engine - Wikipedia

    en.wikipedia.org/wiki/Heat_engine

    A heat engine is a system that converts heat to usable energy, particularly mechanical energy, which can then be used to do mechanical work. [1] [2] While originally conceived in the context of mechanical energy, the concept of the heat engine has been applied to various other kinds of energy, particularly electrical, since at least the late 19th century.

  6. Stirling engine - Wikipedia

    en.wikipedia.org/wiki/Stirling_engine

    The hot heat exchanger is in thermal contact with an external heat source, such as a fuel burner, and the cold heat exchanger is in thermal contact with an external heat sink, such as air fins. A change in gas temperature causes a corresponding change in gas pressure, while the motion of the piston makes the gas alternately expand and compress.

  7. Food poisoning is extremely common. But that doesn't ... - AOL

    www.aol.com/food-poisoning-extremely-common...

    Few things will put a damper on your vacation or holiday faster than food poisoning.The intense stomach pain, rushing to the toilet and feeling relegated to bed keeps just about everyone out of ...

  8. Ted Danson reveals the surprising celebrity he gets mistaken ...

    www.aol.com/ted-danson-reveals-surprising...

    Related: A Man on the Inside star Ted Danson just wants to 'try to be funny at every age' Host Jennifer Hudson asked Danson if he responded. "No," he answered. "I kept going just to make sure that ...

  9. High heat and high bacteria levels spell trouble at these L.A ...

    www.aol.com/news/high-heat-high-bacteria-levels...

    The beach alert comes amid an excessive heat warning for much of Southern California. Forecasters expect temperatures to reach between 110 and 115 degrees in the San Fernando Valley.