Results 61 to 70 of about 4,284,486 (139)

Experimental Study on Heat Transfer Characteristics of Radiant Cooling and Heating

Energies
While traditional air conditioning systems serve their purpose, radiation air conditioning systems provide several benefits, including improved comfort, higher energy efficiency, and lower initial costs.
Shengpeng Chen, Xiaohui Ma, Chaoling Han
doaj   +1 more source

Unlocking the Thermal Efficiency of Irregular Open-Cell Metal Foams: A Computational Exploration of Flow Dynamics and Heat Transfer Phenomena

Energies
An open-cell metal foam has excellent characteristics such as low density, high porosity, high specific surface area, high thermal conductivity, and low mass due to its unique internal three-dimensional network structure.
Qian Xu, Yunbing Wu, Ye Chen, Zhengwei Nie   +3 more
doaj   +1 more source

Investigation of heat transfer augmentation through use of internally finned and roughened tubes : final summary report [PDF]

, 1970
This report summarizes a three-year program concerned with obtaining basic design information for tubes having a random roughness on the inside wall (RID) and tubing having continuous internal fins (Forge Fin).
Brown, G. S., Bergles A. E., Simonds, Richard R., Lee, R. A., Snider, Warren Dean.   +4 more
core  

Calculation of heat transfer coefficients

Metalurgija, 2019
In forced-convection furnaces for reheating Al-alloys, convective heat transfer mechanism dominates. Al-body temperature prediction model uses measured furnace temperature as boundary condition.
F. Vode, F. Tehovnik, B. Arh, S. Malej, B. Podgornik   +4 more
doaj  

Numerical Analysis of Effect of Hydrogen Migration on Steam Condensation Heat Transfer

Yuanzineng kexue jishu
The condensation heat transfer of steam containing non-condensable gases is crucial for safety analysis in the event of severe accidents in the containment vessel.
LIU Feng1, ,  BAI Xujuan2,  SUN Zhongning1,  DING Ming1,  BIAN Haozhi1,
doaj   +1 more source

Experimental and numerical investigation of developing correlations for convective heat transfer coefficient for internal room surfaces considering ceiling diffusers effects

International Journal of Thermofluids
An experimental and numerical study analyzed convective heat transfer in a room. The experiments involved measuring temperatures in a room with a window and a diffuser placed in different positions.
Sajad Abasnezhad, Abdolsalam Ebrahimpour, Jafar Ghafouri   +2 more
doaj   +1 more source

Effect of mass on convective heat transfer coefficient during open sun drying of groundnut. [PDF]

J Food Sci Technol, 2017
Sahdev RK, Kumar M, Dhingra AK.
europepmc   +1 more source

The influence of return bends on the downstream pressure drop and condensation heat transfer in tubes [PDF]

, 1971
The influence of return bends on the downstream pressure drop and heat transfer coefficient of condensing refrigerant R-12 was studied experimentally. Flow patterns in glass return bends of 1/2 to 1 in. radius and 0.315 in. I. D.
Traviss, Donald P., Rohsenow, Warren M.
core  

Flow patterns and heat transfer for flow boiling in small to micro diameter tubes [PDF]

, 2008
An overview of the recent developments in the study of flow patterns and boiling heat transfer in small to micro diameter tubes is presented. The latest results of a long-term study of flow boiling of R134a in five vertical stainless steel tubes of ...
Karayiannis, TG, Shiferaw, D, Kenning, DBR, Wadekar, VV   +3 more
core  

Numerical model for the identification of the convective heat transfer coefficient in cryogenic nitrogen cooling

Calculation of the convective heat transfer coefficient is challenging, especially for asymmetric boundary conditions, due to spatial variability. Numerical procedures are established methods to solve the parabolic heat equation.
Brier, Steffen, Regel, Joachim, Dix, Martin   +2 more
core   +1 more source