...Mehmet Sorgun; Erman Ulker Purpose The purpose of this paper is to present a new friction factor equation for practical use, including fluid temperature, pipe diameter ratio and inner pipe rotation effects. Design/methodology/approach A friction factor relationship is developed by applying...

... region in the compartment and higher temperatures of the spill plume in the shaft compared to a center fire. In the initial stage of the fire with a small HRR, the buoyancy-driven spill plumes incline toward the side of the shaft opposite the window. Meanwhile, the thermal plumes are also directed away...

...Erman Ulker; Sıla Ovgu Korkut; Mehmet Sorgun Purpose The purpose of this paper is to solve Navier–Stokes equations including the effects of temperature and inner pipe rotation for fully developed turbulent flow in eccentric annuli by using finite difference scheme with fixing non-linear terms...

...Jian Zhang; Xiao-Hua Yang; Yu-Qi Li Purpose – The purpose of this paper is to accurately simulate and predict the daily extreme temperature in Beijing Reservoir and the monthly extreme temperature in Tianjin Reservoir using wavelet refined rank set pair analysis (WRRSPA). Design/methodology...

... parameters which affect the shock wave velocity profile and pressure and temperature histories inside the facility. Design/methodology/approach Two dimensional time accurate Euler solver for shock tube applications was developed to simulate the flow process inside the shock tube. To ensure the ability...

...Joaquín Zueco Purpose The unsteady natural convection flow of a viscous dissipative fluid along a semi‐infinite vertical plate subjected to periodic surface temperature oscillation is investigated. Design/methodology/approach An electrical‐network model based on the Network Simulation Method...

... The coupled numerical technique involves a combination of the dual reciprocity boundary element method (DRBEM) and a genetic algorithm (GA) for the solution of the Pennes bioheat equation. Both linear and quadratic temperature‐dependent variations are considered for the blood perfusion. Findings...

...Perumal Nithiarasu; Ying He; Ryutaro Himeno; Hao Liu; Hideo Yokota; Zhi Gang Sun Purpose The purpose of this paper is to investigate the blood flow and temperature distribution in human extremities. Design/methodology/approach The simulation is carried out from three aspects. Firstly...

...Chung Dang Huu Purpose The paper aims to present a study on the effects of temperature and salinity on the vertical distribution of suspended sand concentration and transport rate on the basis of 1DV model. Design/methodology/approach The finite difference method based on the implicit scheme...

...S.G. Ahmed Purpose The paper aims to introduce a new algorithm based on the boundary integral method developed to solve moving boundary phase change problem subject to all possible cases of cyclic boundary temperature. Design/methodology/approach In the present paper, the phase change problem...

...J.P. Pascal; S.J.D. D'Alessio This paper addresses the onset of Be´nard convection on a rotating horizontally confined layer of water near the temperature of maximum density that is heated from below. A quadratic relation between temperature and density is assumed near the density extremum...

...Sun Kyoung Kim; Woo Il Lee This work aims to estimate the unknown surface temperature distribution on the boundary of a heat conducting solid body from temperature measurements taken from another boundary where convective boundary condition is also known. A steady inverse heat conduction problem...

...S.Z. Shuja; B.S. Yilbas; M.O. Budair A confined laminar swirling jet is an interesting research topic due to flow and temperature fields generated in and across the jet. In the present study, a confined laminar swirling jet is studied, and flow and temperature fields are simulated numerically using...

... a very accurate problem solution at a reasonable computational cost. Thermally driven cavity flow has been used to validate computer fluid flow models for the last two decades; it is also an important flow problem in its own right. Simulating a large horizontal temperature difference across...

...Antonio Campo; Juan C. Morales This paper presents a simple computational procedure for the laminar,fully established velocity and temperature in straight ducts with irregular,singly connected cross‐sections by virtue of a control volume discretization of the momentum and energy equations...