Numerical thermal study on effect of porous rings on performance of solar parabolic trough collector

SE Ghasemi, AA Ranjbar - Applied Thermal Engineering, 2017 - Elsevier
In this article, three dimensional turbulent flow for Syltherm heat transfer fluid in absorber
tube of solar system with turbulators is simulated. The thermo-hydraulic characteristics of …

Thermal analysis of solar parabolic trough with porous disc receiver

KR Kumar, KS Reddy - Applied energy, 2009 - Elsevier
In this paper, 3-D numerical analysis of the porous disc line receiver for solar parabolic
trough collector is presented. The influence of thermic fluid properties, receiver design and …

CFD simulations of shell-side flow in a shell-and-tube type heat exchanger with and without baffles

E Pal, I Kumar, JB Joshi, NK Maheshwari - Chemical engineering science, 2016 - Elsevier
Shell-and-tube heat exchanger has been extensively used in industrial and research fronts
for more than a century. However, most of its design procedures are based on empirical …

Modeling proppant settling in water-fracs

PB Gadde, Y Liu, J Norman, R Bonnecaze… - SPE Annual Technical …, 2004 - onepetro.org
Water-fracs, consisting of proppant pumped with un-gelled fluid are the type of stimulation
used in many low-permeability reservoirs throughout the United States. The use of low …

Numerical study of porous finned receiver for solar parabolic trough concentrator

KS Reddy, GV Satyanarayana - Engineering applications of …, 2008 - Taylor & Francis
In this article a new receiver for parabolic trough concentrator is proposed to enhance heat
transfer. A 3-D numerical model is developed to evaluate the performance of the receiver …

Burning characteristics of pulverized coal within blast furnace raceway at various injection operations and ways of oxygen enrichment

SW Du, CP Yeh, WH Chen, CH Tsai, JA Lucas - Fuel, 2015 - Elsevier
In this research, coal combustion behavior across the regions of blowpipe, tuyere, and
raceway of blast furnace are numerically examined. Three different lance configurations …

Performances of pulverized coal injection in blowpipe and tuyere at various operational conditions

SW Du, WH Chen, J Lucas - Energy conversion and management, 2007 - Elsevier
Combustion efficiencies of pulverized coal in blowpipes and tuyeres under various
operational conditions are numerically predicted to recognize the performance of pulverized …

The role of turbulence in an intense tropical cyclone: Momentum diffusion, eddy viscosities, and mixing lengths

CN Oguejiofor, GH Bryan, R Rotunno… - Journal of the …, 2024 - journals.ametsoc.org
Improved representation of turbulent processes in numerical models of tropical cyclones
(TCs) is expected to improve intensity forecasts. To this end, the authors use a large-eddy …

Effect of porous disc receiver configurations on performance of solar parabolic trough concentrator

K Ravi Kumar, KS Reddy - Heat and Mass Transfer, 2012 - Springer
In this article, heat transfer enhancement of line focus solar collector with porous disc
receiver is studied with water and therminol oil. A three dimensional (3-D) numerical …

Experimental and CFD analysis to study the effect of inlet area ratio in a natural draft biomass cookstove

RR Pande, MP Kshirsagar, VR Kalamkar - Environment, development and …, 2020 - Springer
The biomass cookstoves have been used in rural areas for the time immemorial. New
developments in cookstove design are needed due to cookstoves impact on the user's …