内燃機関用インジケータの動特性に関する研究 : 新しい水冷ひずみ計〔MPRE-MV〕式インジケータの動特性

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タイトル別名
  • Research on the Dynamic Performance of Engine Indicator : Dynamic Performance of New Water Cooled Strain Gauge MPRE-MV Type Engine Indicator
  • ナイネン キカンヨウ インジケータ ノ ドウトクセイ ニ カンスル ケンキュウ

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In this paper, the authors are going to clarify the dynamic performance of the engine indicator by developing the techniques of the Guillemin's Transient Responce Method. The indicators authorized by the new calibration are MPRE-MV type, developed by recently(1)∼(5) by one of the authors, S.Matsuoka. Expecting to get more accurate and precise frequency responce performance characteristic of indicator than the Guillemin's one, the authors succeeded it by introducing new ideas about the end correction factor, input correction factor and about the experimental techniques into the Guillemin's. Also the authors deviced to introduce a mechanical shock method to examine the calculation of T.R. method by shock tube. This calculation are also compared by the approximated method of the second order system. As a conclution the authors clearly recognized that there exists a lower resonance frequency in this type indicator and it badly affects to the linear band range of dynamic performance of the indicator. The authors pointed out that the resonance was due to the lateral natural frequency of strain tube. From these conclusions, the authors introduced an excellently high performance indicator, using semi conductor gauge and the very shortend strain tube.

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