the present study examined the role of social capital on financial performance of farming cooperatives in khouzestan province. the method of research was descriptive- correlative. the population consisted of 3273 members of farming cooperatives. based on cochran formula, 213 persons were selected. the survey was conducted using a questionnaire. content validity of the questionnaire was determin...

This study discusses the application of Taguchi method in assessing minimum entropy generation and maximum heat transfer rate for natural convection in an enclosure embedded with isothermal cylinder. The simulations were planned based on Taguchi’s L25 orthogonal array with each trial performed under different conditions of position and aspect ratio (AR) of the cylinder. The thermal lattice Bolt...

changes emerged in recent decades dramatically affect the formation and intensification of social problems among iranian youth. among the social problems we can mention the social anomy among the social members that reflects the chaos and anomy in the society. this article is allocated to social anomy among tabriz azad university students and effect of social capital on it. the research method ...

Two observations drawn from a thoroughly validated direct numerical simulation of the canonical spatially developing, zero-pressure gradient, smooth, flat-plate boundary layer are presented here. The first is that, for bypass transition in the narrow sense defined herein, we found that the transitional-turbulent spot inception mechanism is analogous to the secondary instability of boundary-laye...

The existence of a turbulent/turbulent interface (TTI) has recently been verified in the far wake circular cylinder exposed to free-stream turbulence (Kankanwadi & Buxton, J. Fluid Mech. , vol. 905, 2020, p. A35). This study aims understand physics within TTI. boundary, approximately 40 diameters downstream subjected grid-generated turbulence, was investigated through simultaneous cinematog...

By X I A O H U A W U , R O B E R T G. J A C O B S , J U L I A N C. R. H U N T 2 AND P A U L A. D U R B I N 1 Center for Integrated Turbulence Simulations, Flow Physics and Computation Division, Department of Mechanical Engineering, Stanford University, Building 500, Stanford, CA 94305-3030, USA e-mail: [email protected]; [email protected]; [email protected] Department of App...

A chute is characterized by a steep bed slope associated with torrential flow. This chute flow may be either smooth or stepped. The flow conditions in stepped channels are classified as nappe flow, transition flow and skimming flow. In this paper, hydraulic characteristics of flow regimes on the stepped channels are presented systematically under a wide range of discharge, channel slope and ste...

Extensive experimentation was performed to obtain flow boiling critical heat flux data in single stainless steel microtubes with diameters from 0.286 to 0.700 mm over a wide range of mass fluxes, inlet subcoolings, and exit pressures for two different working fluids (water and R-123). The effect of different operating parameters – mass flux, inlet subcooling, exit quality, heated length and dia...

to create values in the working environment and to achieve the organizational aims, organizations have to manage their elements with specific alignment.in principle, different departments of organizations are put together with specific arrangements and tasks in order to create value for the stakeholders .it has been proven that creating value and the outcome of an organization has a direct rela...