定速形翼車流量計に関する研究 : 第1報, 定常流と小振幅脈動流に対する特性

概要

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Theoretical and experimental study has been made for a newly designed flowmeter. The flowmeter consists of an axial turbine rotor, a d. c. motor and so on. Angular velocity of the motor is controlled to be kept constant. Output signal of the flowmeter is the motor torque which is related to instantaneous flow rate. Theoretical analysis on the output characteristics of the flowmeter has been done under steady flow and pulsating flow with small amplitude of fluctuation. Pulsating quantities are treated as the time average value and the time fluctuating part. The characteristics of the flowmeters testing have been obtained experimentally under the same flow conditions as that in the theoretical analysis. Experimental results showed good agreement with the theory. It is concluded that this flowmeter is appropriate for flow rate measurements of steady and pulsating flow with small amplitude.
一般社団法人日本機械学会の論文
1990-11-25