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Renewable and Sustainable Energy Reviews, ISSN 1364-0321, 03/2015, Volume 43, pp. 1159 - 1166
Journal Article
Journal of Cleaner Production, ISSN 0959-6526, 09/2019, Volume 232, pp. 617 - 628
The present works conducts a stochastic analysis for numerical optimization for energetic and exergetic efficiencies of solar air heater with twisted rib... 
Thermal efficiency | Exergetic efficiency | Solar air heater | Effective efficiency | Twisted rib roughness | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | ENVIRONMENTAL SCIENCES | ENGINEERING, ENVIRONMENTAL | COLLECTOR | THERMOHYDRAULIC PERFORMANCE | DISH | 2ND LAW OPTIMIZATION | Mechanical engineering | Analysis | Energy efficiency
Journal Article
Solar Energy, ISSN 0038-092X, 07/2014, Volume 105, pp. 479 - 493
•An experimental investigation of heat transfer and friction factor study has been carried out.•Multiple arc-shaped artificial roughened rectangular duct was... 
Friction factor | Nusselt number | Multiple arc shaped | Roughness element | CFD | SOLAR AIR HEATER | ROUGHENED DUCT | FLUID-FLOW | ENERGY & FUELS | PERFORMANCE | RIB ROUGHNESS | WIRE
Journal Article
Energy, ISSN 0360-5442, 2012, Volume 37, Issue 1, pp. 749 - 758
The artificially rib roughened solar air heaters perform thermally better than the conventional flat-plate solar air heater under same operating conditions.... 
Artificial roughness | Rib parameters optimization | Exergetic efficiency | Temperature rise parameter | Reynolds number | ENERGY | ENERGY & FUELS | PERFORMANCE EVALUATION | FLOW | THERMODYNAMICS | DUCTS | COLLECTORS | FRICTION FACTOR | 2ND LAW OPTIMIZATION | Mechanical engineering | Analysis
Journal Article
Renewable Energy, ISSN 0960-1481, 01/2019, Volume 130, pp. 687 - 699
A study is carried out providing integrated roughness over absorber plate of solar air heater to improve its potential for heat transfer augmentation. A number... 
Solar air heater | Twisted rib | Regression analysis | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | DUCT | ENERGY & FUELS | ARTIFICIAL ROUGHNESS | Mechanical engineering | Analysis
Journal Article
Journal of Cleaner Production, ISSN 0959-6526, 07/2018, Volume 190, pp. 353 - 367
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 01/2018, Volume 129, p. 735
In this work, the results of an experimental study on heat transfer and friction factor in a counter flow double pass solar air heater (DPSAH) duct with... 
Parameters | Nusselt number | Fluid dynamics | Reynolds number | Roughness | Fluid flow | Friction factor | Aerodynamics | Surface roughness | Studies | Friction | Ribs (structural) | Heat transfer
Journal Article
Experimental Thermal and Fluid Science, ISSN 0894-1777, 04/2014, Volume 54, pp. 117 - 126
•Heat transfer and friction factor study has been estimated for solar air heater.•Multiple arc-shaped roughness elements were chosen for the present... 
Friction factor | Nusselt number | Multiple arc-shape | Roughness | ROUGHENED DUCT | THERMODYNAMICS | PHYSICS, FLUIDS & PLASMAS | PERFORMANCE | RIB | ENGINEERING, MECHANICAL | Heating | Equipment and supplies | Correlation | Friction | Fluid dynamics | Arc heating | Fluid flow | Heat transfer | Air heaters
Journal Article
Advanced Powder Technology, ISSN 0921-8831, 11/2018, Volume 29, Issue 11, pp. 2895 - 2903
[Display omitted] •The characteristics of particle deposition on a rib-roughened surface is studied.•Te windward surfaces are the main deposition regions in... 
Gas-solid two phase flow | CFD | Particle deposition | Rib-roughened channel | VELOCITY | TURBULENT DEPOSITION | HORIZONTAL CHANNEL | AIR | SMOOTH | WALL ROUGHNESS | SIMULATION | ENGINEERING, CHEMICAL | SPHERICAL-PARTICLES | RIBBED DUCT FLOW | SURFACES
Journal Article
Energy, ISSN 0360-5442, 2011, Volume 36, Issue 8, pp. 5053 - 5064
The heat and fluid flow characteristics of rectangular duct having its one broad wall heated and roughened with periodic ‘discrete V-down rib’ are... 
Rib roughness parameters | Relative gap width | Relative gap position | Angle of attack | Relative roughness pitch | LOCAL HEAT/MASS TRANSFER | ENERGY & FUELS | PERFORMANCE | SHAPED BROKEN RIBS | FLOW | RECTANGULAR DUCTS | THERMODYNAMICS | TRANSVERSE | SQUARE CHANNEL | PARALLEL | Mechanical engineering | Correlation | Fluid dynamics | Ducts | Roughness | Fluid flow | Friction factor | Ribs | Walls | Heat transfer
Journal Article
Renewable Energy, ISSN 0960-1481, 06/2019, Volume 136, pp. 48 - 68
In the present study, a simulation and response surface methodology (RSM) combined approach has been applied to investigate the thermal and thermo-hydraulic... 
CFD | Inclined fins | Solar air heater | RSM | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | DUCT | SINGLE | ENERGY & FUELS | SHAPED RIB ROUGHNESS | FLOW | TRANSFER AUGMENTATION | FRICTION FACTOR CORRELATIONS | ABSORBER PLATE | CHANNEL | THERMAL PERFORMANCE | THERMOHYDRAULIC PERFORMANCE
Journal Article
Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, 2/2016, Volume 38, Issue 2, pp. 551 - 579
An experimental and two-dimensional computational fluid dynamics (CFD) analysis of a solar air heater has been carried out using right-angle triangular ribs as... 
CFD | Engineering | Artificial roughness | Thermo-hydraulic performance parameter | Right-angle triangular rib | Friction factor | Mechanical Engineering | Solar air heater | DUCT | TRANSFER ENHANCEMENT | FLUID-FLOW ANALYSIS | ENGINEERING, MECHANICAL | FRICTION FACTOR CORRELATIONS | TRANSVERSE | TRANSFER COEFFICIENT
Journal Article
Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, 2/2016, Volume 38, Issue 2, pp. 643 - 663
An experimental and two-dimensional computational fluid dynamics (CFD) analysis of a solar air heater has been carried out using chamfered square rib as... 
CFD | Engineering | Artificial roughness | Chamfered square ribs | Thermo-hydraulic performance parameter | Friction factor | Mechanical Engineering | Solar air heater | FLUID-FLOW | TRANSFER ENHANCEMENT | WIRE | ENGINEERING, MECHANICAL | RECTANGULAR CHANNELS | ROUGHENED DUCT | TRANSVERSE | THERMOHYDRAULIC PERFORMANCE
Journal Article
Experimental Thermal and Fluid Science, ISSN 0894-1777, 01/2017, Volume 80, pp. 77 - 89
•Nu and f of broken arc rib-roughened solar air heater duct are investigated.•The roughness parameters have great influence on Nu and f.•Correlations developed... 
Artificial roughness | Friction factor | Nusselt number | Solar air heater | Rib roughness | V-SHAPED RIBS | PHYSICS, FLUIDS & PLASMAS | DISCRETE RIBS | ROUGHNESS | FLOW | ENGINEERING, MECHANICAL | RECTANGULAR DUCTS | THERMODYNAMICS | GAP | TRANSVERSE | THERMOHYDRAULIC PERFORMANCE | PLATE | SQUARE CHANNEL
Journal Article
Solar Energy, ISSN 0038-092X, 09/2012, Volume 86, Issue 9, pp. 2852 - 2861
► An experimental study has been carried out on roughened solar air heater. ► Nusselt number and friction characteristics for dimple shaped roughness element.... 
Nusselt number | Solar air heater | Heat transfer | Dimple shaped | FRICTION FACTOR CORRELATIONS | CHANNEL | ENERGY & FUELS | PERFORMANCE | RIB ROUGHNESS | ARTIFICIALLY ROUGHENED DUCTS | Mechanical engineering
Journal Article
Arabian Journal for Science and Engineering, ISSN 1319-8025, 11/2016, Volume 41, Issue 11, pp. 4517 - 4530
In this study, effect of roughness parameter on heat transfer and pressure characteristics has been studied. Multiple arc-shaped roughness with gaps was used... 
Engineering | Roughened duct | Nusselt number | Science, Humanities and Social Sciences, multidisciplinary | Solar energy | Friction factor | Air heater | Engineering, general | RECTANGULAR DUCT | PERFORMANCE | MULTIDISCIPLINARY SCIENCES | ARTIFICIAL ROUGHNESS | RIBS | Parameters | Roughness | Fluid flow | Thermohydraulics | Feasibility | Heat transfer | Air heaters
Journal Article
Energy, ISSN 0360-5442, 12/2016, Volume 116, pp. 507 - 516
Double pass solar air heater (DPSAH) provided with roughness on each side of the absorbing surface is considered as a significant and interesting design... 
Relative staggered rib size | Double pass solar air heater | Artificial roughness | Friction factor | Nusselt number | Heat transfer | FRICTION FACTOR CORRELATIONS | THERMODYNAMICS | FLUID-FLOW | ENERGY & FUELS
Journal Article
Solar Energy, ISSN 0038-092X, 03/2018, Volume 163, pp. 315 - 328
•An optimal design strategy for hybrid PVT-solar air heater with fins was presented.•The optimisation size was reduced with a sensitivity study.•7 parameters... 
Sensitivity analysis | Hybrid PVT-SAH with fins | Uncertainty analysis | Multi-objective optimisation | ENERGY | ENERGY & FUELS | DYNAMIC-MODEL | ABSORBER PLATES | WIRE MESH | EXERGY ANALYSIS | THERMOHYDRAULIC PERFORMANCE | RIB ROUGHNESS | PV/T COLLECTOR | EFFICIENCY | SOLAR COLLECTORS
Journal Article