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Browsing by Author "Tian, Yuan"
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Analytical considerations of flow boiling heat transfer in metal-foam filled tubes
Du, Y.P.; Zhao, C.Y.; Tian, Yuan; Qu, Z.G. (2012)Flow boiling in metal-foam filled tube was analytically investigated based on a modified microstructure model, an original boiling heat transfer model and fin analysis for metal foams. Microstructure model of metal foams ... -
Computational and Experimental Investigations of an Omni-Flow Wind Turbine
Ying, Pei; Chen, Yong; Xu, Yigeng; Tian, Yuan (2015-05-15)Both numerical and experimental studies were conducted to evaluate the performance of an omni-flow wind turbine designed to provide renewable electricity on the top of urban buildings like skyscrapers. The numerical approach ... -
An effectiveness study of enhanced heat transfer in phase change materials (PCMs)
Han, X.X.; Tian, Yuan; Zhao, C.Y. (2013-05)A phase field model is for the first time employed to solve the phase change problem in a metal foam-embedded Latent Thermal Energy Storage (LTES) system. A phase field model deals with free boundary problems without tracing ... -
Effects of Multiple Sintering Parameters on the Thermal Performance of Bi-porous Nickel Wicks in Loop Heat Pipes
Qu, Yan; Tian, Yuan; Zhou, K.; Zhang, K.F. (2016-08-01)The thermal performance of a water-saturated Loop Heat Pipe (LHP) with bi-porous nickel wicks has been examined theoretically and experimentally, based on five key influencing factors including the content of foaming agent, ... -
Exergy optimisation for cascaded thermal storage
Tian, Yuan; Zhao, C.Y.; Lapkin, A. (2012)Cascaded thermal storage, consisting of multiple Phase Change Materials (PCMs) with different melting temperatures, has been proposed to solve the problem of poor heat transfer caused by unavoidable decrease of temperature ... -
Heat transfer analysis for phase change materials (PCMs)
Tian, Yuan; Zhao, C.Y. (2009)The heat transfer enhancement for phase change materials (PCMs) has received much attention nowadays, since most of PCMs have low thermal conductivities which prolong the charging and discharging processes. Metal foams, ... -
Heat transfer enhancement for thermal energy storage using metal foams embedded within phase change materials (PCMs)
Zhao, C.Y.; Lu, W; Tian, Yuan (2010-08)In this paper the experimental investigation on the solid/liquid phase change (melting and solidification) processes have been carried out. Paraffin wax RT58 is used as phase change material (PCM), in which metal foams are ... -
Natural Convection Investigations in Porous Phase Change Materials
Tian, Yuan; Zhao, C.Y. (2011-11)Metal foams with high thermal conductivities are generally considered to have high potential to enhance the heat transfer performance for Phase Change Materials (PCMs). In this parametrical study, the effects of metal foams ... -
A numerical investigation of heat transfer in phase change materials (PCMs) embedded in porous metals
Tian, Yuan; Zhao, C.Y. (2011-09)The effects of metal foams on heat transfer enhancement in Phase Change Materials (PCMs) are investigated. The numerical investigation is based on the two-equation non-equilibrium heat transfer model, in which the coupled ... -
Numerical investigations of heat transfer in phase change materials using non-equilibrium model
Tian, Yuan; Zhao, C.Y. (2009)Phase change materials (PCMs) are drawing increasing attention of researchers nowadays, and they play a pivotal role in thermal energy storage (TES) used in renewable energy resources applications, since these renewable ... -
On the turbulent flow models in modelling of omni-flow wind turbine
Chen, Yong; Ying, Pei; Xu, Yigeng; Tian, Yuan (2014-10)The computational fluid dynamics (CFD) has a wide application in the wind energy industry. In CFD simulations, a turbulence model plays a significantly important role in accuracy and resource cost. In this paper, a novel ... -
Parametric analysis of influencing factors in Phase Change Material Wallboard (PCMW)
Zhou, D.; Shire, G.S.F.; Tian, Yuan (2014-04-15)Incorporating Phase Change Materials (PCMs) into traditional building structures has been considered as an effective way to reduce the mismatch between energy supply and demand and in turn to minimise energy consumption ... -
Phase Change Convective Heat Transfer in High Porosity Cellular Metal Foams (Chapter 9)
Tian, Yuan; Zhao, C.Y.; Wang, Q. (Nova Science Publishers, 2013)This Chapter discusses phase change convective heat transfer of high porosity cellular metal foams and their practical applications in thermal energy storage (TES). The following theoretical aspects are covered: volume-averaging ... -
A phase field model for heat transfer in a metal foam-embedded latent thermal energy storage (LTES) system
Han, X.X.; Tian, Yuan; Zhao, C.Y. (2012)A phase field model substitutes the boundary conditions by partial differential equations for the evolutions of phase fields. Therefore this mathematical method deals with free boundary problems without having to trace ... -
A review of solar collectors and thermal energy storage in solar thermal applications
Tian, Yuan; Zhao, C.Y. (2013-04)Thermal applications are drawing increasing attention in the solar energy research field, due to their high performance in energy storage density and energy conversion efficiency. In these applications, solar collectors ... -
Review on thermal energy storage with phase change materials (PCMs) in building applications
Zhou, D.; Zhao, C.Y.; Tian, Yuan (2012-04)Thermal energy storage with phase change materials (PCMs) offers a high thermal storage density with a moderate temperature variation, and has attracted growing attention due to its important role in achieving energy ... -
Thermal analysis in phase change materials (PCMs) embedded with metal foams
Tian, Yuan; Zhao, C.Y. (American Society of Mechanical Engineers (ASME), 2010)The heat transfer enhancement for phase change materials (PCMs) has received increasing attention nowadays, since most of PCMs have low thermal conductivities which prolong the charging and discharging processes. Metal ... -
Thermal analysis of Phase Change Material Board (PCMB) under weather conditions in the summer
Zhou, D.; Tian, Yuan; Qu, Y.; Chen, Yong (2016-04-25)Phase Change Material Board (PCMB) has been considered as an effective way to improve the thermal comfort in either new or existing buildings. In this work, firstly the optimal melting temperatures of internal and external ... -
Thermal and exergetic analysis of Metal Foam-enhanced Cascaded Thermal Energy Storage (MF-CTES)
Tian, Yuan; Zhao, C.Y. (2013-03)Metal Foam-enhanced Cascaded Thermal Energy Storage (MF-CTES) has been proposed to solve the problem of poor heat transfer during heat exchange process, which is caused by unavoidable decrease of temperature differences. ...