JP2015114191A5 - Mass flow meter and static pressure measurement method - Google Patents

Mass flow meter and static pressure measurement method Download PDF

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JP2015114191A5
JP2015114191A5 JP2013255778A JP2013255778A JP2015114191A5 JP 2015114191 A5 JP2015114191 A5 JP 2015114191A5 JP 2013255778 A JP2013255778 A JP 2013255778A JP 2013255778 A JP2013255778 A JP 2013255778A JP 2015114191 A5 JP2015114191 A5 JP 2015114191A5
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static pressure
mass flow
flow rate
strain gauge
pressure change
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JP6202327B2 (en
JP2015114191A (en
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連続した直管部及び曲がり管部を含みこの内部を流体の流通する管路の該曲がり管位置に力検出用歪ゲージを与え、直管位置に静圧・温度補償用歪ゲージを与えた質量流量計で該管路内の静圧の計測を与える静圧計測方法であって、Mass that includes a continuous straight pipe section and a curved pipe section, and a strain gauge for force detection is applied to the position of the bent pipe of the pipe through which the fluid flows, and a strain gauge for static pressure and temperature compensation is applied to the straight pipe position. A static pressure measuring method for measuring a static pressure in the pipe line with a flow meter,
計測された質量流量に対応する静圧変化について、前記力検出用歪ゲージ又は前記静圧・温度補償用歪ゲージのいずれか一方から得られる流量に対応する静圧変化で補償して前記静圧の計測を与えることを特徴とする静圧計測方法。  About the static pressure change corresponding to the measured mass flow rate, the static pressure is compensated by the static pressure change corresponding to the flow rate obtained from either the force detection strain gauge or the static pressure / temperature compensation strain gauge. A static pressure measuring method characterized by giving a measurement of. 前記質量流量は、前記曲がり管位置での遠心力又は向心力、及び、前記静圧変化との間で一次近似することを特徴とする請求項１記載の静圧計測方法。2. The static pressure measuring method according to claim 1, wherein the mass flow rate is linearly approximated between a centrifugal force or an centripetal force at the bent tube position and the static pressure change. 連続した直管部及び曲がり管部を含みこの内部を流体の流通する管路の該曲がり管位置に力検出用歪ゲージを与え、直管位置に静圧・温度補償用歪ゲージを与えて該管路内の静圧の計測を与える質量流量計であって、
計測された質量流量に対応する静圧変化について、前記力検出用歪ゲージ又は前記静圧・温度補償用歪ゲージのいずれか一方から得られる流量に対応する静圧変化で補償して前記静圧の計測を与えることを特徴とする質量流量計。 Continuous empowered sensing strain gages The internal include straight pipe portion and a bent pipe portion curved rising tube position of the conduit to fluid flow therethrough, said giving strain gauges for static pressure and temperature compensation in a straight tube position a mass flow meter Ru gives the measurement of static pressure in the line,
About the static pressure change corresponding to the measured mass flow rate, the static pressure is compensated by the static pressure change corresponding to the flow rate obtained from either the force detection strain gauge or the static pressure / temperature compensation strain gauge. mass flowmeter according to claim Rukoto given measurement. 前記質量流量は、前記曲がり管位置での遠心力又は向心力、及び、前記静圧変化との間で一次近似することを特徴とする請求項３記載の質量流量計。4. The mass flow meter according to claim 3, wherein the mass flow rate is approximated first by a centrifugal force or centripetal force at the bent tube position and the static pressure change. 前記静圧を前記質量流量で除算することにより管路抵抗の計測を与えることを特徴とする請求項３又は４に記載の質量流量計。 Mass flowmeter according to claim 3 or 4, characterized in Rukoto give measurement of pipeline resistance by dividing the static pressure in the mass flow rate.
JP2013255778A 2013-12-11 2013-12-11 Mass flow meter and static pressure measurement method Active JP6202327B2 (en)

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JP2015114191A JP2015114191A (en) 2015-06-22
JP2015114191A5 true JP2015114191A5 (en) 2017-01-19
JP6202327B2 JP6202327B2 (en) 2017-09-27

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JP6587129B2 (en) * 2015-09-02 2019-10-09 国立研究開発法人産業技術総合研究所 Flowmeter

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* Cited by examiner, † Cited by third party
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US5641915A (en) * 1995-02-03 1997-06-24 Lockheed Idaho Technologies Company Device and method for measuring multi-phase fluid flow in a conduit using an elbow flow meter
JPH10132676A (en) * 1996-11-01 1998-05-22 Mitsubishi Heavy Ind Ltd Dynamic pressure measuring apparatus in piping
JP4761134B2 (en) * 2006-02-17 2011-08-31 独立行政法人産業技術総合研究所 Mass flow meter
JP2010066184A (en) * 2008-09-12 2010-03-25 National Institute Of Advanced Industrial Science & Technology Mass flowmeter

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