On Quantitative Measurement of Turbulence by Means of a Constant Resistance Hot-wire Anemometer

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概要

• 論文の詳細を見る

• Constant resistance hot-wire anemometry has been improved to measure velocity fluctuation quantitatively. For this purpose, the effects of the resistance of the galvanometer circuit and current variation due to resistance variation of hot-wire are calculated for general case. The values of the turbulent energy reached by the older method would be several part of correct ones in our experiment. A direct calibration method using alternating current has been devised. This method is easy to apply. Experiments show that the results obtained by the two methods completely agree with each other. Owing to the possibility of the calibration in the actual circuit, the constant resistance method would be superior to the constant current method.

• 社団法人日本物理学会の論文
• 1959-03-05

著者

• Hayasi Nisiki

  Transportation Technical Research Institute

関連論文

• On the Quasi-two-dimensional Laminar Boundary Layer
• On Quantitative Measurement of Turbulence by Means of a Constant Resistance Hot-wire Anemometer

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