The una-flow steam-engine by Stumpf Johannes 1863-1963

Author:Stumpf, Johannes, 1863-1963
Language: eng
Format: epub
Tags: Steam-engines
Publisher: Syracuse, N.Y.
Published: 1922-03-25T05:00:00+00:00

schrift des Vereines deutscher Ingenieure Vol. 1913, No. 27, July 5. Part of his report is as follows:

"After Prof. Stumpf had published his first communications on the character and success of the una-flow steam engine a number of yetirs ago,

Dr. Mollier and the author approached the Verein deutscher Ingenieure with the request for an appropriation for investigating the temperature conditions in a una-flow cylinder. This request was granted in the most whole-hearted manner. At the same time the Saxon Government provided considerable sums for the completion of the testing plant. The una-flow cylinder used for this purpose in the engineering laboratory of the Technische Hochschule, Dresden, was built by the Nlirnberg Works of the Maschinenfabrik Augsburg-Niirnberg, and took the place of the low pressure cylinder of the existing triple-expansion engine. It was put into operation during September 1911. The cylinder as shown in Fig. 1, has a bore of 450 mm and a strokiB of 650 mm, and the engine runs at 150 r. p. m. ,

In order to determine the thermal peculiarities of the Stumpf cycle it was planned to measure the temperature changes of the working steam at different points, in the cylinder. It was later also found desirable to measure

Ko/J>en

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