Scholarly Publications & Journal Output

Author of 25+ SCI-indexed journal articles with 374+ citations and h-index 13 across leading international mechanics and tribology journals.

Scholarly Publications

Author of 25+ SCI-indexed journal articles with 300+ citations across leading international mechanics and tribology journals.

374+ Citations
13 h-index
16 i10-index
25+ Peer-Reviewed Papers
#01 2026 Postdoc Research Featured Paper
IF: 5.6

FEM-based transient non-Newtonian mixed lubrication model for rough EHL point contacts

Deepak K. Prajapati, Jonny Hansen, Marcus Björling, and Roland Larsson

Tribology International Vol. 227 pp. 112808

Contribution: Coupled FEM formulation incorporating contact dynamics, Eyring shear-thinning, Patir-Cheng flow factors, and Greenwood-Tripp contact mechanics to predict dielectric breakdown in electrified bearings.

#02 2025 Postdoc Research Featured Paper
IF: 2.9

Robustness and sensitivity of the Λ*-ratio in microelastohydrodynamic lubrication

Jonny Hansen, Deepak K. Prajapati, Marcus Björling, and Roland Larsson

Tribology Letters Vol. 73 pp. 129

Contribution: Industrial collaboration with Scania CV AB establishing the sensitivity of the lambda-star ratio for transmission engineering.

#03 2025 Postdoc Research Featured Paper
IF: 2.3

Non-Gaussian surface topography in mixed lubrication

Deepak K. Prajapati, Marcus Björling, and Jitendra Kumar Katiyar

ASME Journal of Tribology Vol. 147(8) pp. 084503

Contribution: Demonstrating how skewness and kurtosis of non-Gaussian roughness govern real contact pressure distribution.

#04 2024 Postdoc Research Featured Paper
IF: 2.6

An assessment of surface topography effect on friction coefficient in heavily loaded non-conformal contacts

Deepak K. Prajapati, Jonny Hansen, and Marcus Björling

Frontiers in Mechanical Engineering Vol. 10 pp. 1360023

Contribution: Detailed assessment of areal surface topography parameters controlling friction in concentrated rolling-sliding conjunctions.

#05 2024 Postdoc Research Featured Paper
IF: 3.6

The influence of non-Gaussian roughness and spectral properties on mixed lubrication for heavily loaded counterformal contacts

Deepak K. Prajapati and Marcus Björling

Lubricants Vol. 12(3) pp. 71

Contribution: Spectral autocorrelation analysis of roughness wavelength impact on film breakdown and asperity contact ratio.

#06 2024 Postdoc Research
IF: 3.1

Prediction of contact response using boundary element method

Deepak K. Prajapati, Chander Prakash, and Kuldeep K. Saxena

International Journal of Interactive Design and Manufacturing (IJIDeM) Vol. 18(5) pp. 2725–2732
#07 2023 Postdoc Research
IF: 2.2

Molecular dynamics simulation of different tribopair under dry sliding condition

Sudhanshu Kumar, Ashutosh Rajput, Surajit Kumar Paul, Mayank Tiwari, and Deepak K. Prajapati

Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology Vol. 238 pp. 653–661
#08 2023 Postdoc Research Featured Paper
IF: 2.0

Machine learning approach for prediction of mixed lubrication parameters

Deepak K. Prajapati, Jitendra Kumar Katiyar, and Chander Prakash

Industrial Lubrication and Tribology Vol. 75 pp. 312–320

Contribution: Artificial neural network architectures predicting mixed lubrication regimes and friction coefficients.

#09 2022 Postdoc Research Featured Paper
IF: 2.2

Research on tribological performance of piston ring/liner conjunction considering non-Gaussian roughness and cavitation

Deepak K. Prajapati, P. Ramkumar, and Jitendra Kumar Katiyar

Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology Vol. 237(4) pp. 732–745

Contribution: Mass-conserving cavitation model assessing ring/liner lubrication under non-Gaussian rough contact.

#10 2022 Postdoc Research Featured Paper
IF: 2.0

Surface topography effect on tribological performance of water-lubricated journal bearing under mixed-EHL regime

Deepak K. Prajapati and P. Ramkumar

Surface Topography: Metrology & Properties Vol. 10(4) pp. 045022

Contribution: Pioneering sustainable water-based lubrication mechanics for eco-friendly journal bearings.

#11 2021 Postdoc Research
IF: 2.0

Prediction of coefficient of friction for different surface topography in mixed-elastohydrodynamic lubrication

Deepak K. Prajapati

Surface Topography: Metrology & Properties Vol. 9(1) pp. 015008
#12 2021 Postdoc Research
IF: 2.0

Numerical analysis of rough hydrodynamic bearings for various deterministic micro-asperity features

Deepak K. Prajapati

Surface Topography: Metrology & Properties Vol. 9(1) pp. 015004
#13 2020 Postdoc Research
IF: 2.0

Analysis of micro-friction stir welding surfaces using fractal methodologies

Deepak K. Prajapati and Shuja Ahmed

Surface Topography: Metrology & Properties Vol. 8(3) pp. 035011
#14 2021 Ph.D. Research Featured Paper
IF: 6.0

The correlation between friction coefficient and areal topography for AISI 304 steel sliding against AISI 52100 steel

Deepak K. Prajapati and Mayank Tiwari

Friction (Springer) Vol. 9(1) pp. 41–60

Contribution: High-impact empirical and theoretical formulation linking 3D areal topography with macroscopic friction.

#15 2020 Ph.D. Research Featured Paper
IF: 5.0

Experimental analysis of contact fatigue damage using fractal methodologies

Deepak K. Prajapati and Mayank Tiwari

Wear (Elsevier) Vol. 450–451 pp. 203262

Contribution: Fractal dimension and structure-function characterization of rolling contact fatigue and micropitting.

#16 2020 Ph.D. Research
IF: 3.0

Experimental investigation on evolution of surface damage and topography parameters during rolling contact fatigue tests

Deepak K. Prajapati and Mayank Tiwari

Fatigue & Fracture of Engineering Materials & Structures Vol. 43(2) pp. 355–370
#17 2019 Ph.D. Research Featured Paper
IF: 2.3

Assessment of topography parameters during running-in and subsequent rolling contact fatigue tests

Deepak K. Prajapati and Mayank Tiwari

ASME Journal of Tribology Vol. 141(5) pp. 051401
#18 2019 Ph.D. Research
IF: 1.7

Effect of correlation length, surface roughness, and load on friction coefficient under mixed lubrication regime

Deepak K. Prajapati and Mayank Tiwari

Lubrication Science Vol. 31(5) pp. 218–228
#19 2019 Ph.D. Research
IF: 2.0

Investigation on metallic contact conditions using ECR technique by performing rolling/sliding experiments

Deepak K. Prajapati and Mayank Tiwari

Surface Topography: Metrology & Properties Vol. 7(1) pp. 015015
#20 2019 Ph.D. Research
IF: 2.0

Tribological investigation of copper and AISI 304 steel during dry sliding wear

Deepak K. Prajapati, Krishnamurti Singh, and Mayank Tiwari

Surface Topography: Metrology & Properties Vol. 7(1) pp. 015021
#21 2018 Ph.D. Research
IF: 2.0

3D numerical wear model for determining the change in surface topography

Deepak K. Prajapati and Mayank Tiwari

Surface Topography: Metrology & Properties Vol. 6(4) pp. 045006
#22 2018 Ph.D. Research
IF: 2.0

The relation between fractal signature and topography parameters: a numerical and experimental study

Deepak K. Prajapati and Mayank Tiwari

Surface Topography: Metrology & Properties Vol. 6(4) pp. 045008
#23 2017 Ph.D. Research Featured Paper
IF: 2.3

Topography analysis of random anisotropic Gaussian rough surfaces

Deepak K. Prajapati and Mayank Tiwari

ASME Journal of Tribology Vol. 139(4) pp. 041402
#24 2017 Ph.D. Research
IF: 0.5

Use of artificial neural network (ANN) to determining surface parameters, friction and wear during pin-on-disc tribotesting

Deepak K. Prajapati and Mayank Tiwari

Key Engineering Materials Vol. 739 pp. 87–95

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