The relation of bubble nucleation rate and degree of superheat, and phase change driving force and phenomenological coefficient, were analyzed based on phenomenological theory, respectively. 基于唯象理论,分析了汽泡核化速率和过热度以及相变驱动力和唯象系数的关系。
The relation reduces difficulties and workload in experiment analysis so as to offer possibility to definite the phenomenological coefficient. 昂萨格倒易关系大大减小了实验分析的困难和工作量,为从实验角度来确定唯象系数提供了可能。
On this basis, a phenomenological coefficient is proposed to evaluate the intensity of phase-transition heat exchange process. Meanwhile, a formula for calculating the phenomenological coefficient of phase-transition heat exchange process is given and a numerical calculation performed. 在此基础上,提出用唯象系数表征相变换热过程的强度,给出了相变换热过程的唯象系数的计算式并进行了数值计算;
Calculation of Phenomenological Coefficient in the Heat Exchange Process of Liquid-vapor Phase Transition 汽液相变换热过程唯象系数的计算
According to experimental data, phenomenological coefficient is time variable, the action of surface force on mass flow and volume force on volume flow decreases as time decays; 根据实验数据,确定唯象系数具有时变性,并且推断当时间延迟时,质量力对质量流和体积力对体积流的影响减弱;
And tunability of part of the samples were obtained, on base of which phenomenological coefficient was calculated. 对部分样品的直流电场可调性进行了测量,计算出样品对应的唯象系数。
Through measurement and phenomenological study of medium mod-ification of final large transverse momentum hadron spectra one can extract medium properties such as the jet transport coefficient. 通过对末态大横动量强子谱的介质修正的测量和唯象研究,我们能提取出介质的性质,例如喷注输运系数。
The phenomenological coefficients of turbulent intensity and the cross coupling coefficient have to be determined by observation experiment just as determined the stability function and its parameters in Monin-Obukhov similarity theory. 就象Monin&Obukhov相似性理论中的稳定性函数及其参数需要通过观测实验来确定一样,湍流强度定理和动力过程同湍流输送交叉耦合理论中的系数也必须通过实验获得。