两相流专业词汇.doc

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1、Gas(vapour)–liquidtwo-phaseflow气液两相流Equationofstate状态方程Bubleflow泡状流Annular/Ringflow环状流Plugflow塞状流Slug/Bulletflow弹状流Homogenousflow均相流Lumpflow分散泡沫状流/块状流Stratifiedflow分层流Waveflow波状流Mistflow雾状流phase-Separatedflow（Separatedphaseflow）分相流Separatedstateflow分离状流动Interruptedflow间断状流动Boilingflow沸腾流Separate

2、dpressure分压强Phase-velositiesratio/difference相速度比/差Convertedcoefficientofseparatedgas-phase分气相折算系数Convertedcoefficientofcompleteliquidphase全液相折算系数Frictionfactorofcompleteliquidphase全液相摩擦系数Integralofmomentumequation动量方程积分PatternsofGas(vapour)–liquidtwo-phaseflow两相流流型Distinguishingformulaofflow-pat

3、tern流型判别式Localloss局部损失Thermalflowdensity热流密度Specificthermodynamic-energy比热力学能SpecificenthalpyofGas(vapour)–liquidmixture气液混合物比焓Specificheatatconstantpressure定压比热Specificentropy比螪Volumetricflowrate体积流量/流率massflowrate质量流量/流率characteristicparameter特性参数flowdensity流动密度turedensity真实密度convertedvelocity

4、ofgasphase气相折算速度concentrationofgasphase气相浓度coincidenceconditionongas-liquiddemarcationarea气液分界面上耦合条件pressuredropgradientduetoacceleration加速压降梯度pressuredropgradientduetogravity重力压降梯度pressuredropgradientduetolift提升压降梯度pressuredropgradientduetofriction摩擦压降梯度equilibriumlow平衡流flashing闪蒸nusseltnumber努

5、塞尔数phenomenonofpreventingliquid阻液现象phenomenonofinvertflow倒流现象relaxationtime松弛时间massfractionofgas（drynessofmoiststream）质量含气率massfractionofliquid（moistureofmoiststream）质量含液率volumefractionofgas（volumedrynessofmoiststream）容积含气率volumefractionofliquid（volumemoistureofmoiststream）容积含液率depositrateofdrop

6、lets液滴沉积率transportrateofdroplets液滴输送率transportratioofdroplets液滴输送比thicknessofliquidfilm液膜厚度phase-velosityofliquidfilm液膜相速度convergent/divergentduct渐缩/渐扩管slipvelocityratio滑移速度比slidingfrictionfactor滑动摩擦因数sectionfractionofgas截面含气率sectionfractionofliquid截面含液率floatflowmodel漂移流动模型floatflowrate漂移流率float

7、velocity漂移速度shockwave激波dew/boilingpoint露点/沸点sub-cooling过冷sensible/latentheat显/潜热