Abstract
THE laws of flow of steam are of much importance in the design of turbines. A clear sketch is given of the theory, and then an account of an excellent experimental research to determine the values of the constants. Amongst previous experiments, those of Napier are English, not American as the author states. The novelty in M. Rateau's method is the use of an ejector condenser for condensing the steam. The rise of temperature, which is easily measured, gives the quantity of steam condensed. The errors of the method, especially that due to entrained water, are carefully examined. Convergent nozzles and a thin plate orifice were used. The results are compared with those by Him on air, and close agreement is found. In a note, the complex phenomenon of the discharge of hot water just on the point of evaporating is examined.
Experimental Researches on the Flow of Steam Through Nozzles and Orifices.
By A. Rateau. Translated by H. Boyd Brydon. Pp. iv + 76. (London: Constable and Co., Ltd., 1905.) Price 4s. 6d. net.
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Experimental Researches on the Flow of Steam Through Nozzles and Orifices . Nature 72, 101 (1905). https://doi.org/10.1038/072101b0
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DOI: https://doi.org/10.1038/072101b0