Search Results - subject:"Convective heat transfer"

Numerical Study on Heat Transfer Deterioration of Supercritical n-Decane in Horizontal Circular Tubes

Wang, Yanhong; Li, Sufen; Dong, Ming - In: Energies 7 (2014) 11, pp. 7535-7554

numerical investigation on the supercritical convective heat transfer of n-decane in horizontal circular tubes was conducted …

Persistent link: https://www.econbiz.de/10011075173

Infrared Screening of Residential Buildings for Energy Audit Purposes: Results of a Field Test

Dall'O', Giuliano; Sarto, Luca; Panza, Angela - In: Energies 6 (2013) 8, pp. 3859-3878

In the European Union (EU), the building sector is responsible for approximately 40% of total energy consumption. The existing building stock is inefficient and can, and indeed must be retrofitted to address this issue. The practical implementation of the European strategies requires knowledge...

Persistent link: https://www.econbiz.de/10010683578

FEA Simulation Based Performance Study of Multi Speed Transmission Gearbox

Kumar, Ashwani; Patil, Pravin P. - In: International Journal of Manufacturing, Materials, and … 6 (2016) 1, pp. 51-61

The main objective of this research work is to investigate the performance of automobile transmission gearbox under the influence of thermal properties variation of gearbox lubricant. An assumption has been made that the air-gear oil mist within transmission is under steady state condition, in...

Persistent link: https://www.econbiz.de/10012046620

Experimental Study on Forced Convective Heat Transfer with Low Volume Fraction of CuO/Water Nanofluid

Asirvatham, Lazarus Godson; Vishal, Nandigana; … - In: Energies 2 (2009) 1, pp. 97-119

The present work is an experimental study of steady state convective heat transfer of de-ionized water with a low … condition. The results have shown 8% enhancement of the convective heat transfer coefficient of the nanofluid even with a low … transfer enhancement. A correlation for convective heat transfer coefficient of nanofluids, based on transport property and <i …

Persistent link: https://www.econbiz.de/10011031150

Effects of the thick walled pipes with convective boundaries on laminar flow heat transfer

Adelaja, Adekunle O.; Dirker, Jaco; Meyer, Josua P. - In: Applied Energy 130 (2014) C, pp. 838-845

Conjugate heat transfer in laminar tube flow with convective boundary conditions is considered analytically. The steady state problem involving two-dimensional wall and axial fluid conduction is solved using separation of variables for a thick walled cylindrical pipe. The effects of the wall...

Persistent link: https://www.econbiz.de/10010906262

Slip law effects on heat transfer and entropy generation of pressure driven flow of a power law fluid in a microchannel under uniform heat flux boundary condition

Anand, Vishal - In: Energy 76 (2014) C, pp. 716-732

This study deals with heat transfer and entropy generation analysis of pressure driven flow of a power law fluid in a microchannel. The microchannel is subject to uniform heat flux boundary condition at the walls. The slip at the walls has been modeled through three different slip laws, namely:...

Persistent link: https://www.econbiz.de/10010939837

Investigation on heat transfer and friction factor characteristics of thermosiphon solar water heating system with left-right twist regularly spaced with rod and spacer

Ananth, J.; Jaisankar, S. - In: Energy 65 (2014) C, pp. 357-363

attempt has been made to improve the internal convective heat transfer with lesser pressure drop between the tube wall and …

Persistent link: https://www.econbiz.de/10010811515

Determination of optimum parameters of doublet system in a horizontally fractured geothermal reservoir

Chandrasiri Ekneligoda, Thushan; Min, Ki-Bok - In: Renewable Energy 65 (2014) C, pp. 152-160

The parameters for the optimum production temperature of a geothermal well were determined by using both an analytical and convective conductive heat transfer numerical model. The numerical model was verified with the available analytical solutions. The production temperatures for different mass...

Persistent link: https://www.econbiz.de/10011043881

Application of field synergy principle for optimization fluid flow and convective heat transfer in a tube bundle of a pre-heater

Hamid, Mohammed O.A.; Zhang, Bo; Yang, Luopeng - In: Energy 76 (2014) C, pp. 241-253

The big problems facing solar-assisted MED (multiple-effect distillation) desalination unit are the low efficiency and bulky heat exchangers, which worsen its systematic economic feasibility. In an attempt to develop heat transfer technologies with high energy efficiency, a mathematical study is...

Persistent link: https://www.econbiz.de/10011055455

A new solution for reduced sedimentation flat panel solar thermal collector using nanofluids

Colangelo, Gianpiero; Favale, Ernani; de Risi, Arturo; … - In: Applied Energy 111 (2013) C, pp. 80-93

The present paper reports the experimental results and the potential performance of the investigation on flat solar thermal collectors using nanofluids as innovative heat transfer fluids for solar energy applications. The straight use of heat-transfer nanofluids in traditional solar flat panel...

Persistent link: https://www.econbiz.de/10010702483