Predicting Equivalent Performance of Gas Blowers and Compressors from Air Test Data : Present State and Prospective Subject

概要

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Results of the investigation about the translation of performance conducted in the manufacturers' shop using turbocompressors for any gas are presented in this paper. Estimating from the test results, it is reasonable to classify three ranges according to the converting accuracy, i.e. Range I where relatively correct conversion is possible, Range II where the conversion may be conducted within allowable errors and Range III where translation is difficult. However, even within the Range III, comparatively correct translation results may be obtained, if an appropriate empirical correcting factor is introduced. The perfect conversion may be obtain using a closed test loop with substitute gas or mixtures. But the compressor test loop is not always adopted by the manufacturer from an economical view point. At present, it is useful to prescribe about the test method as stated in ASME Power Test Code PTC 10-1965, namely there shall be a mutual agreement between all parties to the test on each of code items and agreements shall be recorded prior to the test.
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