Raj Kumar

Raj Kumar publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Raj Kumar sits on this spectrum.

Raj Kumar D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Raj Kumar sits on this spectrum.

Best Publications

• Experimental investigation of the performance of a novel solar dryer for drying medicinal plants in Western Himalayan region

  A.K. Bhardwaj;Raj Kumar;Ranchan Chauhan

  165
  Citations

• Energy and exergy analyses of drying medicinal herb in a novel forced convection solar dryer integrated with SHSM and PCM

  Unknown

  144
  Citations

• Different energy storage techniques: recent advancements, applications, limitations, and efficient utilization of sustainable energy

  Unknown

  127
  Citations

• Experimental investigation of an indirect solar dryer integrated with phase change material for drying valeriana jatamansi (medicinal herb)

  A.K. Bhardwaj;Ranchan Chauhan;Raj Kumar;Muneesh Sethi

  104
  Citations

• Experimental investigation and performance evaluation of a novel solar dryer integrated with a combination of SHS and PCM for drying chilli in the Himalayan region

  Unknown

  94
  Citations

• Influence of artificial roughness parametric variation on thermal performance of solar thermal collector: An experimental study, response surface analysis and ANN modelling

  Unknown

  73
  Citations

• Heat transfer augmentation in solar thermal collectors using impinging air jets: A comprehensive review

  Ranchan Chauhan;Tej Singh;N.S. Thakur;Nitin Kumar

  66
  Citations

• Heat transfer enhancement in solar air channel with broken multiple V-type baffle

  Raj Kumar;Anil Kumar;Ranchan Chauhan;Muneesh Sethi

  63
  Citations

• Correlation development for Nusselt number and friction factor of a multiple type V-pattern dimpled obstacles solar air passage

  Anil Kumar;Raj Kumar;Rajesh Maithani;Ranchan Chauhan

  59
  Citations

• Experimental study and correlation development for Nusselt number and friction factor for discretized broken V-pattern baffle solar air channel

  Raj Kumar;Ranchan Chauhan;Muneesh Sethi;Anil Kumar

  54
  Citations

• Impact of artificial roughness variation on heat transfer and friction characteristics of solar air heating system

  Raj kumar;Rakesh Kumar;Sushil Kumar;Sashank Thapa

  53
  Citations

• Experimental study of enhancement of heat transfer and pressure drop in a solar air channel with discretized broken V-pattern baffle

  Raj Kumar;Muneesh Sethi;Ranchan Chauhan;Anil Kumar

  52
  Citations

• Experimental investigation of impact of the energy storage medium on the thermal performance of double pass solar air heater

  Raj Kumar;Gaurav;Sushil Kumar;Asif Afzal;Asif Afzal

  51
  Citations

• Assessment of the Thermo-Hydraulic Efficiency of an Indoor-Designed Jet Impingement Solar Thermal Collector Roughened with Single Discrete Arc-Shaped Ribs

  Unknown

  50
  Citations

• Optimizing discrete V obstacle parameters using a novel Entropy-VIKOR approach in a solar air flow channel

  Ashutosh Sharma;Ranchan Chauhan;Tej Singh;Anil Kumar

  48
  Citations

• Review of developments on flat plate solar collectors for heat transfer enhancements using phase change materials and reflectors

  Unknown

  46
  Citations

• Experimental investigation and optimization of cobalt bonded tungsten carbide composite by hybrid AHP-TOPSIS approach

  Rahul Nadda;Raj Kumar;Tej Singh;Ranchan Chauhan

  45
  Citations

• Optimization of single arc protrusion ribs parameters in solar air heater with impinging air jets based upon PSI approach

  Rahul Nadda;Raj Kumar;Anil Kumar;Rajesh Maithani

  44
  Citations

• Thermo-hydraulic efficiency and correlation development of an indoor designed jet impingement solar thermal collector roughened with discrete multi-arc ribs

  Unknown

  43
  Citations

• Performance investigation of a solar thermal collector provided with air jets impingement on multi V-shaped protrusion ribs absorber plate

  Raj Kumar;Rahul Nadda;Adit Rana;Ranchan Chauhan

  42
  Citations