numerical simulation for effects of microcapsuled phase change material (mpcm) distribution on heat and moisture transfer in porous textiles FENGZHI LI College of Aerospace Engineering Nanjing University of Aeronautics and Astronautics Nanjing 210016 China Aug 21 2019Numerical Simulation of Heat and Moisture Transfer of Wall with Insulation Ming Wei Bo Wang and Shunbo Liu Published under licence by IOP Publishing Ltd Journal of Physics: Conference Series Volume 1300 Number 1

The Analysis of Numerical Simulation Method for Convection

Taking the convective heat transfer process of supercritical water in vertical tubes as the research object the effectsof different turbulence models on numerical simulation the reliability of calculation results the accuracy of numerical simulation under complex conditions and the characteristics of heat transfer in tubes were studied

For further understanding the effect of ultrasonic on moisture transfer process in wet porous material the experiment on pre-dehydration process of carrot slice under ultrasonic irradiation was performed the coupled heat and moisture transfer model for ultrasonic pre-dehydration process of carrot slice was also established In this model the effective moisture diffusion coefficient under

Numerical simulation can easily determine the heat transfer process between water and hot dry rock under the typical complex environment of geothermal reservoirs [27–29] Kolditz et al (1998) used a fully 3-D finite-element model to study the heat transfer during forced water

Jan 01 2013Read Numerical simulation and comparison of turbulent heat transfer in supercritical and subcritical water Progress in Computational Fluid Dynamics an International Journal on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at your fingertips

Building envelope is a typical porous medium The internal accumulation of moisture will not only affect the structural strength but also cause the growth of bacterial in the structure which can seriously affect the indoor air quality In this work the modified Luikov coupled heat and moisture transfer equation is derived by using finite difference method

Numerical simulation of Numerical turbulent flow and heat

Numerical simulation of turbulent flow and heat transfer in multi-channel narrow-gap fuel element Huang Jun Wang Q W and Tao W Q School of Energy and Power Engineering Xi'an Jiaotong University Xi'an Shaanxi PRC Keywords Turbulent flow Heat transfer Abstract A computational study of convective heat transfer for turbulent flows

In this study a comprehensive modelling has been conducted for the numerical simulation of the details of two-phase flow and heat transfer phenomenon in wickless heat pipe (Thermosiphon) so that these details cannot be observed in laboratory experiments Water has

Therefore numerical simulation of convective and radiative heat transfer is a very useful and important topic for different fields of industry and various natural systems The present Special Issue will focus on the simulation of convective and radiative heat transfer in engineering systems and natural bio-

Aug 21 2019Numerical Simulation of Heat and Moisture Transfer of Wall with Insulation Ming Wei Bo Wang and Shunbo Liu Published under licence by IOP Publishing Ltd Journal of Physics: Conference Series Volume 1300 Number 1

numerical simulation for effects of microcapsuled phase change material (mpcm) distribution on heat and moisture transfer in porous textiles FENGZHI LI College of Aerospace Engineering Nanjing University of Aeronautics and Astronautics Nanjing 210016 China

Oct 01 2019This means that the actual power transmitted to porous media in experiment is less than that in numerical simulation for the same set power The larger the ultrasound power the more obvious enhancement of ultrasound on heat and mass transfer is 3 2 2 The distribution of liquid velocity

The research of coupled heat and moisture transfer is a complex process which is the fundamental of decreasing building energy consumption improving IAQ and increasing the durability of building envelop CHAMPS-BES software is an outcome of a joint effort between Building Energy and Environmental Systems Laboratory (BEESL) and Institute for Building Climatology (IBK)

The paper deals with the study of heat and mass transfer in an unsteady viscous incompressible water-based nanofluid (containing Titanium dioxide nanoparticles) between two orthogonally moving porous coaxial disks with suction A combination of iterative (successive over relaxation) and a direct method is employed for solving the sparse systems of linear algebraic equations arising from the FD

Numerical simulation of heat and moisture transfer in co

The paper presents the mathematical model based on the narrow-channel approximation for calculating the processes of heat and moisture transfer in membrane heat exchangers and taking into account possible condensation on heat exchange surfaces The possibility of humidifying the supply air with moisture from the exhaust air in the cold period is considered

Nov 15 2019The task of numerical simulations was to determine temperature and velocity profile on aluminium profile surfaces for establishing of the heat transfer coefficient which was used as the convective boundary condition necessary to solve the heat transfer in the aluminium profile by finite element method

Numerical simulation of oscillatory flow and heat transfer in pulsating heat pipes with multi-turns using OpenFOAM Jongwook Choia and Yuwen Zhangb aSchool of Mechanical and Aerospace Engineering Sunchon National University Jeonnam Republic of Korea bDepartment of Mechanical and Aerospace Engineering University of Missouri Columbia USA ABSTRACT The oscillatory flow and the heat transfer

Direct numerical simulations (DNS) of flow in a turbine cascade with heat transfer have been performed The set-up of the simulations was chosen in close accordance with previous experiments Three of the experimental situations were simulated: one without free-stream turbulence and two with periodically incoming wakes of different frequency

Injection of high-temperature water or steam into low-permeability coalbed for efficient and rapid extraction of coalbed methane has been studied by our university for many years and will soon be implemented in the field With comprehensive consideration of coupling of heat transfer water seepage desorption of coalbed methane and coal-rock mass deformation the paper establishes a more

Therefore numerical simulation of convective and radiative heat transfer is a very useful and important topic for different fields of industry and various natural systems The present Special Issue will focus on the simulation of convective and radiative heat transfer in engineering systems and natural bio-

This study is concerned with numerical simulation of momentum heat and moisture exchange processes occuring in the marine atmospheric boundary layer In particular the influence of sea‐spray drops on these processes is investigated