In this study the intermolecular potential energies of some environment-friendly industrial HFC refrigerants were obtained through the inversion method which is based on the corresponding states principle. These potentials were later employed in calculation of transport properties (viscosity, diffusion, thermal conductivity and thermal diffusion factor) of some binary and ternary refrigerant mi...

In this work, we develop a correlative model based on the surface tension data in order to calculate thermodynamic parameters, such as interaction energy between components (Uij), activity coefficients and etc. In the new approach, by using Li et al. (LWW) model, a three-parameter surface tension equation is derived for liquid mixtures. The surface tension data of 54 aqueous and 73 non-aqueous ...

the main purpose of this paper is to apply of islamic transactions rules on iran capital market contracts by studying the economic actions of the individuals in tehran stock market. based on the theories of four major islamic laws, i.e., no damage rule, gaining from invalid activities rule, peril rule and usury rule; the basic islamic assumptions is drawn in order to testify in the capital mark...

“pacta sunt servanda” is one of the most fundamental principles in the common law and iranian legal systems, which have been exposed to exceptions in the process of time. these exceptions are part of general doctrine of frustration. iranians exceptions to this rule are named as “ta`azzor” and “ta`assor” rules. doctrine of frustration in common law includes three subdivision theories: “impossibi...

one of the subjects about the “la zarar” rule that always had been controversial is survey for positive aspect of it. not only opponents but also researchers that sought to answer the objections of the positive aspect of the rule enter the discussion on the assumption that the evidence of the “la zarar, rule is the la zarar hadith, in story of ansari man and samorah-ibn jondab discored. this as...

This paper presents the experimental investigations conducted on a vertical closed loop pulsating heat pipe (VCLPHP) to evaluate the thermal performance. The values of thermal resistance and heat transfer coefficient obtained in the experimentation is used as evaluation parameters. The VCLPHP used has capillary tubes having an inner diameter of 2mm and outside diameter 3mm and bent into 5 turns...

By applying a sudden perturbation to one of the components mixture two quantum fluids, we explore effect on motion second component short timescale. implementing theory, prove that for times response is fixed by energy weighted moment crossed dynamic structure factor (crossed $f$-sum rule). We also show properly monitoring time duration it possible identify peculiar fast spin drag regimes, whic...