Download Air engines : the history, science, and reality of the by Theodor Finkelstein PDF

By Theodor Finkelstein

The unique Air Engines (also often called a warmth, sizzling air, caloric, or Stirling engines), predated the fashionable inner combustion engine. This early engine layout continuously had nice strength for top efficiency/low emission energy iteration. even though, the first main issue to its useful use long ago has been the inability of sufficiently heat-resistant fabrics. This hindrance has now been eradicated because of the higher Read more...


the unique Air Engines (also referred to as a warmth, scorching air, caloric, or Stirling engines), predated the trendy inner combustion engine. This publication assesses the improvement of the air engine, and Read more...

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Extra info for Air engines : the history, science, and reality of the perfect engine

Example text

He became famous for his many inventions and innovations in connection with locomotives, steam fire engines, screw propellers, ships, torpedoes, etc. His first vessel of the Monitor series was the forerunner of all later iron-clad turreted warships with machinery below the waterline. He designed and built it in about 100 days, and its appearance at a critical moment in the American Civil War reversed the fortunes of the Northern States’ Navy. Ericsson had conceived the idea of an air engine in his early youth and devoted many years, both in England and in America, to its development.

1 was carried out by Robert Stirling in collaboration with his brother, James, who was an engineer by profession. One early improvement which James Stirling introduced was the use of an elevated pressure level by means of a force pump. Another innovation of rather doubtful value was the construction of a ‘twin engine’, which had a double-acting power piston and separate displacer cylinders which, due to the loss of Stirling’s London patent, was later erroneously thought to be the forerunner of all closed-cycle air engines.

There are several refinements, such as the hopper H which allows stoking without stopping the engine, and a special arrangement for cooling the inlet valve V by means of cold air. Quite a number of such engines were in use at one time and a few test data Air engines 11 were published. For example, one engine of similar construction was designed by Mazeline to run a paper mill. 5 m, but according to Tresca (1867), its performance was not very good. Fleeming Jenkin (op. 9 per cent for this type of engine.

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