World's Best Scientists 2026 revealed!

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
39
Citations
4059
World Ranking
2202
National Ranking
56

Ranjan Das 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 Ranjan Das sits on this spectrum.

47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47 publications 659+

This scientist: 173 publications — 34th percentile

34% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

Ranjan Das 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 Ranjan Das sits on this spectrum.

30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 39 D-Index — 40th percentile

40% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

Overview

Ranjan Das is affiliated with the Indian Institute of Technology Ropar in India with a primary focus in Engineering, having produced 140 publications in this field. Their research encompasses various subfields, notably Mechanical Engineering, Renewable Energy, Sustainability and the Environment, Biomedical Engineering, Computational Mechanics, and Building and Construction.

The scientist's research covers multiple interrelated topics including Heat Transfer and Optimization, Solar Thermal and Photovoltaic Systems, Solar-Powered Water Purification Methods, Heat Transfer Mechanisms, Adsorption and Cooling Systems, Refrigeration and Air Conditioning Technologies, and Thermodynamic and Exergetic Analyses of Power and Cooling Systems.

Among recent publications, notable papers include:

  • Simultaneous estimation of heat generation and magnetic field in a radial porous fin from surface temperature information, 2021, International Communications in Heat and Mass Transfer
  • Thermodynamic activity of a ternary nanofluid flow passing through a permeable slipped surface with heat source and sink, 2022, Waves in Random and Complex Media
  • Experimental Analysis of a Novel Solar Pond Driven Thermoelectric Energy System, 2020, Journal of Energy Resources Technology
  • Comparative assessment of different air-conditioning systems for nearly/net zero-energy buildings, 2020, International Journal of Energy Research
  • Experimental study of a combined biomass and solar energy-based fully grid-independent air-conditioning system, 2021, Clean Technologies and Environmental Policy

Ranjan Das frequently collaborates with several researchers, including Sunirmit Verma, Gaurav Singh, Sagnik Pal, Adityabir Singh, and Rohtash Goswami, with coauthorships ranging from 6 to 16 joint publications each.

Their work has been published recurrently in several venues with multiple contributions, particularly in:

  • Solar Energy
  • Journal of Energy Resources Technology
  • Proceedings of the International Conference on Advances in Energy Research and Applications, ICAERA
  • International Journal of Energy Research
  • Journal of Energy Storage

Best Publications

  • An experimental and multi-objective optimization study of a forced draft cooling tower with different fills

    Kuljeet Singh;Ranjan Das

  • Predicting multiple combination of parameters for designing a porous fin subjected to a given temperature requirement

    Ranjan Das;K.T. Ooi

  • Forward and inverse solutions of a conductive, convective and radiative cylindrical porous fin

    Ranjan Das

  • A simplex search method for a conductive–convective fin with variable conductivity

    Ranjan Das

  • Tower characteristics correlation and parameter retrieval in wet-cooling tower with expanded wire mesh packing

    Rohit K. Singla;Kuljeet Singh;Ranjan Das

  • An Inverse Analysis for Parameter Estimation Applied to a Non-Fourier Conduction–Radiation Problem

    Ranjan Das;Subhash C. Mishra;T. B. Pavan Kumar;Ramgopal Uppaluri

  • Inverse prediction and optimization analysis of a solar pond powering a thermoelectric generator

    Abhishek Kumar;Kuljeet Singh;Sunirmit Verma;Ranjan Das

  • Multiparameter Estimation in a Transient Conduction-Radiation Problem Using the Lattice Boltzmann Method and the Finite-Volume Method Coupled with the Genetic Algorithms

    Ranjan Das;Subhash C. Mishra;R. Uppaluri

  • Waste heat recovery from a biomass heat engine for thermoelectric power generation using two-phase thermosyphons

    Rohtash Goswami;Ranjan Das

  • Prediction of porosity and thermal diffusivity in a porous fin using differential evolution algorithm

    Ranjan Das;Dilip K. Prasad

  • Thermodynamic activity of a ternary nanofluid flow passing through a permeable slipped surface with heat source and sink

    Unknown

  • Energy Saving Potential of a Combined Solar and Natural Gas-Assisted Vapor Absorption Building Cooling System

    Gaurav Singh;Ranjan Das

  • Retrieval of thermal properties in a transient conduction–radiation problem with variable thermal conductivity

    Ranjan Das;Subhash C. Mishra;R. Uppaluri

  • Inverse analysis applied to retrieval of parameters and reconstruction of temperature field in a transient conduction–radiation heat transfer problem involving mixed boundary conditions

    Ranjan Das;Subhash C. Mishra;R. Uppaluri

  • Simultaneous optimization of performance parameters and energy consumption in induced draft cooling towers

    Kuljeet Singh;Ranjan Das

  • Application of decomposition method and inverse prediction of parameters in a moving fin

    Rohit K. Singla;Ranjan Das

  • An inverse method for optimization of geometric parameters of a Savonius-style wind turbine

    Sukanta Roy;Ranjan Das;Ujjwal K. Saha

  • Heat transfer improvement of a wet fin under transient response with a unique design arrangement aspect

    Balaram Kundu;Ranjan Das;Pramod A. Wankhade;Kwan-Soo Lee

  • Exergy optimization of cooling tower for HGSHP and HVAC applications

    Kuljeet Singh;Ranjan Das

  • Experimental Analysis of a Novel Solar Pond Driven Thermoelectric Energy System

    Rohtash Goswami;Ranjan Das

  • Application of genetic algorithm for unknown parameter estimations in cylindrical fin

    Ranjan Das

  • A feedback model to predict parameters for controlling the performance of a mechanical draft cooling tower

    Kuljeet Singh;Ranjan Das

  • Lattice Boltzmann Method Applied to the Analysis of Transient Conduction-Radiation Problems in a Cylindrical Medium

    Subhash C. Mishra;Man Young Kim;Ranjan Das;M. Ajith

  • Application of Adomian decomposition method and inverse solution for a fin with variable thermal conductivity and heat generation

    Rohit K. Singla;Ranjan Das

  • Approximate Analytical Method for Porous Stepped Fins with Temperature-Dependent Heat Transfer Parameters

    Kuljeet Singh;Ranjan Das;Balaram Kundu

  • Estimation of operating parameters of a SOFC integrated combined power cycle using differential evolution based inverse method

    P. Sarmah;T.K. Gogoi;R. Das

  • Predicting geometry of rectangular and hyperbolic fin profiles with temperature-dependent thermal properties using decomposition and evolutionary methods

    Arka Bhowmik;Rohit K. Singla;Pranab K. Roy;Dilip K. Prasad

  • Establishment of non-Fourier heat conduction model for an accurate transient thermal response in wet fins

    Pramod A. Wankhade;Balaram Kundu;Balaram Kundu;Ranjan Das

  • Application of artificial bee colony algorithm for maximizing heat transfer in a perforated fin

    Ranjan Das;Kuljeet Singh;Bahriye Akay;TK Gogoi

Frequent Co-Authors

Balaram Kundu
Balaram Kundu Jadavpur University
Subhash C. Mishra
Subhash C. Mishra Indian Institute of Technology Guwahati
Ujjwal K. Saha
Ujjwal K. Saha Indian Institute of Technology Guwahati
Kim Tiow Ooi
Kim Tiow Ooi Nanyang Technological University
Kwan-Soo Lee
Kwan-Soo Lee Hanyang University
Dhruba K. Bhattacharyya
Dhruba K. Bhattacharyya Tezpur University

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