Results 71 to 80 of about 211,478 (216)

Compounding MgCl₂·6H₂O with NH₄Al(SO₄)₂·12H₂O or KAl(SO₄)₂·12H₂O to Obtain Binary Hydrated Salts as High-Performance Phase Change Materials

Molecules, 2019
Developing phase change materials (PCMs) with suitable phase change temperatures and high latent heat is of great significance for accelerating the development of latent heat storage technology to be applied in solar water heating (SWH) systems.
Wanchun Sun, Yan Zhou, Jinxin Feng, Xiaoming Fang, Ziye Ling, Zhengguo Zhang   +5 more
doaj   +1 more source

R134a flow boiling heat transfer in small diameter tubes

, 2007
Copyright @ 2007 RT Edwards Inc.Boiling heat transfer in small diameter tubes has been experimentally investigated using R134a as the working fluid. The heat transfer periments were conducted with two stainless steel tubes of internal diameter 4.26 mm ...
Huo, Y, Karayiannis, TG, Tian, S
core  

Inorganic Salt Hydrate for Thermal Energy Storage

Applied Sciences, 2017
Using phase change materials (PCMs) for thermal energy storage has always been a hot topic within the research community due to their excellent performance on energy conservation such as energy efficiency in buildings, solar domestic hot water systems ...
Ning Xie, Zhaowen Huang, Zigeng Luo, Xuenong Gao, Yutang Fang, Zhengguo Zhang   +5 more
doaj   +1 more source

Natural convection heat transfer from two horizontal cylinders

, 2008
Natural convection heat transfer from a single horizontal cylinder and a pair of vertically aligned horizontal cylinders is investigated. Surface heat transfer distributions around the circumference of the cylinders are presented for Rayleigh numbers of ...
Murray, Darina B., Reymond, Olivier, O'Donovan, Tadhg S.; id_orcid   +2 more
core   +1 more source

Modified Wilson Plots for Enhanced Heat Transfer Experiments: Current Status and Future Perspectives

Heat transfer coefficients for enhanced tubes are typically measured indirectly using the "Wilson plot" method to first characterize the thermal performance of the one side (heating or cooling supply) and then to obtain the heat transfer data for the ...
van Rooyen, E., Christians, M., Thome, J. R.   +2 more
core   +1 more source

Heat transfer enhancement characteristics for falling-film evaporation on horizontal enhanced tubes with aqueous LiBr solution

, 2019
Falling-film evaporation experiments with aqueous lithium bromide solution were performed to investigate the heat transfer characteristics of the enhanced copper tubes. Enhanced tubes (a knurled tube and a spirally grooved tube), a tube coaled with 20 mu
Kim, MH, Kim, DK
core   +1 more source

Condensation heat transfer and pressure drop in flat tubes having different aspect ratio

, 2012
In this study, condensation heat transfer coefficients of R-410A were obtained in flattened stainless tubes made from 5.0 mm inner diameter round tubes.
Kim, Nae-Hyun, Byun, Ho-Won, Lee, Eul-Jong   +2 more
core   +1 more source

Numerical Investigation of Turbulent Heat Transfer Enhancement in a Ribbed Channel with Upper-downstream-shaped Deflectors

, 2013
Enhancement of bottom wall forced convection heat transfer rates in a ribbed cooling channel combined with differently shaped deflectors is investigated numerically.
Xie, Gongnan, Zhou, Huiqun, Sundén, Bengt,, Zheng, Shaofei, Song, Yidan, Lund University., Sundén, Bengt   +6 more
core   +1 more source

An experimental investigation of structured roughness on heat transfer during single-phase liquid flow at microscale

, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Lin, TY, Kandlikar, SG, 3rd Micro and Nano Flows Conference (MNF2011)   +2 more
core  

Conjugated Analysis of Heat Transfer Enhancement of an Internal Blade Tip-wall with Pin Fin arrays [Elektronisk resurs]

, 2011
To improve gas turbine performance, the operating temperature has been increased continuously. However, the heat transferred to the turbine blade is substantially increased as the turbine inlet temperature is increased.
Xie, Gongnan,, Sundén, Bengt,, Lund University.   +2 more
core   +1 more source