World's Best Scientists 2026 revealed!
Nirmal K. Manna

Nirmal K. Manna

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
39
Citations
4526
World Ranking
2193
National Ranking
55

Nirmal K. Manna 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 Nirmal K. Manna 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: 186 publications — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Nirmal K. Manna 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 Nirmal K. Manna 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.

Best Publications

  • Hybrid nanofluid magnetohydrodynamic mixed convection in a novel W-shaped porous system

    Unknown

  • Thermo-fluidic transport process in a novel M-shaped cavity packed with non-Darcian porous medium and hybrid nanofluid: Application of artificial neural network (ANN)

    Unknown

  • A narrative loom of hybrid nanofluid-filled wavy walled tilted porous enclosure imposing a partially active magnetic field

    Unknown

  • Impacts of heater-cooler position and Lorentz force on heat transfer and entropy generation of hybrid nanofluid convection in quarter-circular cavity

    Unknown

  • Role of surface undulation during mixed bioconvective nanofluid flow in porous media in presence of oxytactic bacteria and magnetic fields

    Dipak Kumar Mandal;Nirmalendu Biswas;Nirmal K. Manna;Rama Subba Reddy Gorla

  • Magneto-hydrodynamic thermal convection of Cu–Al 2 O 3 /water hybrid nanofluid saturated with porous media subjected to half-sinusoidal nonuniform heating

    Nirmalendu Biswas;U. K. Sarkar;Ali J. Chamkha;Nirmal Kumar Manna

  • Magneto-hydrothermal performance of hybrid nanofluid flow through a non-Darcian porous complex wavy enclosure

    Unknown

  • Magneto-hydrothermal triple-convection in a W-shaped porous cavity containing oxytactic bacteria

    Unknown

  • Analysis of heat transfer and pumping power for bottom-heated porous cavity saturated with Cu-water nanofluid

    Nirmalendu Biswas;Nirmal K. Manna;Priyankan Datta;Pallab Sinha Mahapatra

  • Effects of half-sinusoidal nonuniform heating during MHD thermal convection in Cu–Al 2 O 3 /water hybrid nanofluid saturated with porous media

    Nirmalendu Biswas;Nirmal K. Manna;Ali J. Chamkha

  • Effect of discrete heating-cooling on magneto-thermal-hybrid nanofluidic convection in cylindrical system

    Unknown

  • Enhanced energy and mass transport dynamics in a thermo-magneto-bioconvective porous system containing oxytactic bacteria and nanoparticles: cleaner energy application

    Unknown

  • Magneto-nanofluid flow in cylinder-embedded discretely heated-cooled annular thermal systems: conjugate heat transfer and thermodynamic irreversibility

    Unknown

  • Heat Transfer Enhancement and Entropy Generation in a Square Enclosure in the Presence of Adiabatic and Isothermal Blocks

    Unknown

  • Enhanced convective heat transfer in lid-driven porous cavity with aspiration

    Nirmalendu Biswas;Nirmal K. Manna

  • Enhanced thermal energy transport using adiabatic block inside lid-driven cavity

    Nirmalendu Biswas;Nirmal K. Manna;Pallab Sinha Mahapatra

  • Effect of multibanded magnetic field on convective heat transport in linearly heated porous systems filled with hybrid nanofluid

    Nirmal K. Manna;Chitrak Mondal;Nirmalendu Biswas;U. K. Sarkar

  • Hybridized nanofluidic convection in umbrella-shaped porous thermal systems with identical heating and cooling surfaces

    Unknown

  • Effect of surface waviness on MHD thermo-gravitational convection of Cu−Al2O3−water hybrid nanofluid in a porous oblique enclosure

    Nirmalendu Biswas;Nirmal K. Manna;Ali J. Chamkha;Dipak Kumar Mandal

  • Magneto-hydrodynamic Marangoni flow in bottom-heated lid-driven cavity

    Nirmalendu Biswas;Nirmal K. Manna

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Related Online Degrees & Career Pathways

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