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A Practical Method for Reducing the Internal Wastes of the Steam-Engines
In the operation of the steam-engine, experiment and observation show that the great losses of heat, steam and fuel which distinguished the real from the ideal engine, and which constitute the greater part of the discrepancy between the computed thermo-dynamic efficiency and the efficiency of the engine in actual working, are due to waste of heat internally by the alternate absorption of heat by the metallic surfaces of the cylinder-heads and piston and the ejection of that heat later to the condenser, if it be a condensing engine, or in non-condensing engines into the atmosphere. Many attempts have been made to reduce this loss, as by rendering the internal surfaces less perfect conductors and absorbers of heat, by superheating the enteriug steam, and by “compounding” the engine. All of these methods are familiar to the engineer aud have been more or less successful. The steam jacket has also bee n employed, and the internal surfaces have been covered with non-conductors of heat by various inventors; but no device of this kind yet introduced or tested experimentally has been efficient and permanent.
A Practical Method for Reducing the Internal Wastes of the Steam-Engines
In the operation of the steam-engine, experiment and observation show that the great losses of heat, steam and fuel which distinguished the real from the ideal engine, and which constitute the greater part of the discrepancy between the computed thermo-dynamic efficiency and the efficiency of the engine in actual working, are due to waste of heat internally by the alternate absorption of heat by the metallic surfaces of the cylinder-heads and piston and the ejection of that heat later to the condenser, if it be a condensing engine, or in non-condensing engines into the atmosphere. Many attempts have been made to reduce this loss, as by rendering the internal surfaces less perfect conductors and absorbers of heat, by superheating the enteriug steam, and by “compounding” the engine. All of these methods are familiar to the engineer aud have been more or less successful. The steam jacket has also bee n employed, and the internal surfaces have been covered with non-conductors of heat by various inventors; but no device of this kind yet introduced or tested experimentally has been efficient and permanent.
A Practical Method for Reducing the Internal Wastes of the Steam-Engines
Thurston, Robert H. (author)
2021-01-01
51890-01-01 pages
Article (Journal)
Electronic Resource
Unknown
A practical method of reducing the internal waste of steam engine
| Engineering Index Backfile | 1890
Reducing internal waste of steam engine
| Engineering Index Backfile | 1891
| Engineering Index Backfile | 1899
Steam engineer : a practical journal devoted to reducing fuel costs
TIBKAT | 1.1931 - 32.1962/63 = Nr. 1-382