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A solution to improve the lower overall photo-voltaic panel efficiency is to provide it with a forced cooling system. In this way a hybrid conversion device is derived and electric and thermal energies are obtained simultaneously. To model such system, two major and different components should be considered: solar cells and cooling radiator. The main purpose of this paper is to study the electrical...
There has been great interest on exploring the potential of waste heat extraction using thermoelectric generator (TEG) system on marine application, due to great amount of exhaust gas volume, many potential locations with consistent high temperature and availability of infinite cooling sea water. To improve the overall output performance of TEG system in terms of efficiency, proper system level engineering...
The outcomes of this groundbreaking synergetic study have been able to establish the viability of a sustainable, scalable and affordable cooling solution for an outdoor application in Lusail City, Doha, Qatar. The first segment of this study demonstrated the limitation of the proposed scheme as it was able to meet only 90% of the cooling demand There are few days in the year; when direct solar irradiation...
Heat was produced during the charge or discharge process. The performances and circle life will be seriously affected if the heat can not be dissipated immediately. Base on the models and theories of the batteries, analytical solution has been obtained conditioned on certain assumptions with the method of thermal-electrochemical model. According to the optimized chemical model, temperature distribution...
This article analyses the temperature environment of air source heat pump using the air in underground tunnel as cold and heat sources, then models tunnel heat transfer and numerically computes, compares with experiment data and gets the result. It can provide some practically help on tunnel wind cooling technology and tunnel heat transfer calculating.
This paper studied on an air-conditioning classroom which was influenced by both cold jet and buoyancy force of heat source, and numerical simulation of indoor thermal environment of turbulence heat transfer in summer steady-state condition was carried out by using simulation software Aripak. According to two major evaluating indices of thermal comfort, simulation showed the change relation of distribution...
A physical yet analytical phase change memory (PCM) model simultaneously accounting for thermal and electrical conductivities is presented. Due to the physics based nature of the model, the essential temperature from heating and cooling of PCM during operation is instantaneously updated. More importantly, the model can be applied to non-conventional circuit design technique. We show that for the first...
Hydrogels play a key role in many pharmaceutical and bio-applications. It is therefore advantageous to be able to predict the gelation process so that properties and performance of hydrogels can be optimized for these applications. This study examines the numerical models proposed earlier and modifies them in order to describe more accurately and appropriately the thermally induced gelation and degelation...
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