Birla Institute of Technology, Mesra

Faculty Image

Dr. Lakhbir Singh Brar

Joined Institute on : 13-Sep-2010

  • Assistant Professor
  • Mechanical Engineering
  • Ph.D. (BIT Mesra)
Contact Address

BIT Mesra, Ranchi

Ranchi

  • Phone Office - 0651-2275444
  • Phone Residence - 0651-2280115
  • Email - brarls@bitmesra.ac.in
Work Experience

Teaching : 14 Years

Research : 05 Years

Research Areas

Cyclone separators, Heat exchangers, Hydrokinetic turbines, Cleaner energy sources

 

Doctoral Thesis Guided: [03]

1. Ravi Shastri, 2022. Performance Analysis of Cyclone Separators with Different Geometries.

2. Satyanand Pandey, 2024. On the Performance of Cyclone Separators with Different Cone Shapes using CFD.

3. Rishikesh Sharma, 2025. Performance  Evaluation  and  Optimization  of  Fin  and Tube  Heat  Exchanger.

 

Ongoing: 02

Award and Honours

1. Named in the world's top 2% of scientists for the years 2023 and 2025 (issued by Stanford University, USA).

2. BIT Faculty Appreciation Award for Distinguished Contribution in terms of overall Sponsored Research Record, 2025.

Publications

International Journals (SCI/E )

42. Sharma R., Mishra D.P., Brar L.S.Neural Network-Guided Genetic Algorithm for Multi-Objective Optimization of Fin-and-Tube Heat Exchangers Incorporating Novel Curved Winglets, Engineering Applications of Artificial Intelligence, 165(A) (2026) 113349 (https://doi.org/10.1016/j.engappai.2025.113349)

41. Wasilewski M. and Brar L.S., Comparative evaluation of four-phase interaction models for solid-gas separation and flow dynamics in a square cyclone under high loading conditions, Separation and Purification Technology, 382(3) (2026): 135945 (https://doi.org/10.1016/j.seppur.2025.135945)

40. Borsuk G., Wydrych J., Wzorek M., Godek-Bucyk E., Brar L.S., End-of-Life Management of Creosote-Treated Railroad Ties for Energy Recovery in Cement Kiln Installation: A CFD Modelling Approach, Waste and Biomass Valorization, 16 (2025). (https://doi.org/10.1007/s12649-025-03331-y)

39. Sharma R., Mishra D.P., Brar L.S., Data-Driven Optimization of Asymmetric Curved Winglets in Fin-and-Tube Heat Exchangers, Swarm and Evolutionary Computation, 97 (2025): 1–21. (https://doi.org/10.1016/j.swevo.2025.102056)

38. Kumar M., Om Prakash, Brar L.S., Analyzing the impact of inclined single and multi-inlet configurations on the turbulent flow field in cyclone separators using large-eddy simulation, Separation and Purification Technology, 376 (2025): 1–29. (https://doi.org/10.1016/j.seppur.2025.134111)

37. Kumar M., Saha I., Pandey S., Prakash O., Elsayed K., Brar L.S., Analysis and optimization of cyclone separators with bulged conical segments using large-eddy simulation and artificial neural network, Separation and Purification Technology, 370 (2025): 1–20. (https://doi.org/10.1016/j.seppur.2025.133247)

36. Om Prakash, Ahmad A., Nayan P., Brar L.S., Chatterjee R., Sharma S., Kumar A., Abbas M., Rajkumar S., Ramaswamy K. Thermal dispersion study of roof and wall materials with chemical pretreatments for energy reduction, Int. J. of Chem. Reactor Eng., 23(3) (2025): 393-404. (https://doi.org/10.1515/ijcre-2024-0008)

35. Safikhani H., Farahani S.D., Brar L.S., Esmaeili F., CFD-based optimization of dynamic cyclones with variable vortex length using GMDH artificial neural network, Digital Chemical Engineering, 15 (2025): 1–10. (https://doi.org/10.1016/j.dche.2025.100241)

34. Ahmad A., Prakash Om, Brar L.S., Irshad K., Hasnain S.M.M., Paramasivam P., Ayanie A.G., Effect of Wall, Roof, and Window-to-Wall Ratio on the Cooling and Heating Load of a Building in India, Energy Sc. & Eng., (2025): 1-25. (https://doi.org/10.1002/ese3.2066)

33. Wasilewski M., Ligus G., Brar L.S., Investigations of the flow phenomena inside square cyclone separators with different prismatic heights, Separation and Purification Technology, 362(2) (2025): 131724. (https://doi.org/10.1016/j.seppur.2025.131724)

32. Sharma R., Mishra D.P., Chakraborty S., Prakash Om, Brar L.S., Multi-objective optimization of fin and tube heat exchanger with triple inclined straight winglets for performance enhancement, Journal of Enhanced Heat Transfer,  32(3) (2025): 61–87. (DOI: 10.1615/JEnhHeatTransf.2024054227)

31. Prakash Om, Pandey V.K., Kumar L., Brar L.S., Chakraborty S., Kumar A., Ahmad A., Computational and experimental analysis of thermal oil-based parabolic trough collector, Journal of Enhanced Heat Transfer, 32(3) (2025): 19–35. (DOI: 10.1615/JEnhHeatTransf.2024054134)

30. Sharma R., Mishra D.P., Brar L.S., Analysis and optimization of a fin and tube heat exchanger with the novel arrangement of curved winglets using CFD and artificial neural network, Int. Com. in Heat and Mass Transfer, 157 (2024): 1–16. (https://doi.org/10.1016/j.icheatmasstransfer.2024.107804)

29. Kumar D., Jha K., Kumar V., Brar L.S., Performance evaluation of cyclone separators with elliptical cross-section using large-eddy simulation, Powder Technology, 438 (2024): 1–15. (https://doi.org/10.1016/j.powtec.2024.119660)

28. Brar L.S., Rahmani F., The impact of operating temperatures on the fluctuating flow field and precessing vortex core in cyclone separator using large-eddy simulations, Physics of Fluids, 36 (2024): 1–21. (https://doi.org/10.1063/5.0195382)

27. Pandey S., Wasilewski M., Mukhopadhyay A., Prakash Om, Ahmad A., Brar L.S., Multi-objective optimization of cyclone separators based on the geometrical parameters for performance enhancement, Applied Sciences, 14(5) (2024): 1–24. (https://doi.org/10.3390/app14052034)

26. Kumar L., Om Prakash, Ahmad A., Das B., Brar L.S., Performance Evaluation and Development of FE Modelling for Passive Greenhouse Solar Dryer for Potato Chips Drying, Environmental Progress and Sustainable Energy, e14373 (2024): 1–13. (https://doi.org/10.1002/ep.14373)

25. Brar L.S., Rahmani F., Wasilewski M., Performance analysis of multi-inlet cyclone separators considering different shapes and locations of the inlet ducts, Advanced Powder Technology, 35(2) (2024): 1–17. (https://doi.org/10.1016/j.apt.2024.104325)

24. Agrawal R., Prakash Om, Brar L.S., Mukhopadhyay A., A systematic investigation of lead free electroless Ni-B-W coating properties using Taguchi’s methodology, Coatings, 13 (2023): 1585. (https://doi.org/10.3390/coatings13091585)

23. Wasilewski M., Brar L.S., Performance analysis of the cyclone separator with a novel clean air inlet installed on the roof surface, Powder Technology, 428 (2023): 118849. (https://doi.org/10.1016/j.powtec.2023.118849)

22. Sharma R., Mishra D.P., Wasilewski M., Brar L.S., Application of Response Surface Methodology and Artificial Neural Network to Optimize the Curved Trapezoidal Winglet Geometry for Enhancing the Performance of a Fin-and-Tube Heat Exchanger,  Energies, 16(10) (2023): 4209. (https://doi.org/10.3390/en16104209)

21. Pandey S., Brar L.S., Performance analysis of cyclone separators with bulged conical segment using large-eddy simulation, Powder Technology, 425 (2023): 118584. (https://doi.org/10.1016/j.powtec.2023.118584)

20. Pandey S., Brar L.S., The impact of increasing the length of the conical segment on the cyclone performance using large-eddy simulation, Symmetry, 15(3) (2023): 1–20. (https://doi.org/10.3390/sym15030682)

19. Brar L.S., Wasilewski M., Investigating the effects of temperature on the performance of novel cyclone separators using large-eddy simulation, Powder Technology, 416 (2023): 1–21. (https://doi.org/10.1016/j.powtec.2022.118213)

18. Sharma R., Mishra D.P., Sarangi S.K., Brar L.S.Performance evaluation of a fin and tube heat exchanger based on different shapes of the winglets, J. of Th. Sc. & Eng. Appl., 15(5) (2023): 050905. (https://doi.org/10.1115/1.4056384)

17. Pandey S., Brar L.S., On the performance of cyclone separators with different shapes of the conical section using CFDPowder Technology, 407 (2022): 1–17. (https://doi.org/10.1016/j.powtec.2022.117629)

16. Pandey S., Saha I., Prakash O., Mukherjee T., Iqbal J., Roy A.K., Wasilewski M., Brar L.S., CFD investigations of cyclone separators with different cone heights and shapes, Applied Sciences, 12(10) (2022): 1–20. (https://doi.org/10.3390/app12104904)

15. Shastri R., Brar L.S., Elsayed K., Multi-objective optimization of cyclone separators using mathematical modelling and large-eddy simulation for a fixed total height condition, Separation and Purification Technology, 291 (2022): 1–21. (https://doi.org/10.1016/j.seppur.2022.120968)

14. Shastri R., Wasilewski M., Brar L.S., Analysis of the novel hybrid cyclone separators using large-eddy simulation, Powder Technology, 394 (2021): 951–969. (https://doi.org/10.1016/j.powtec.2021.09.033)

13. Wasilewski M., Brar L.S., Ligus G., Effect of the central rod dimensions on the performance of cyclone separators optimization study, Separation and Purification Technology, 274 (2021): 1–21. (https://doi.org/10.1016/j.seppur.2021.119020)

12. Shastri R., Sharma R.P., Brar L.S., Numerical investigations of cyclone separators with different cylinder-to-cone ratios, Particulate Science and Technology (2021) 40(3): 337–345. (https://doi.org/10.1080/02726351.2021.1905123)

11. Sarangi S.K., Mishra D.P., Ramachandran H., Anand N., Masih V., Brar L.S., Analysis and optimization of the curved trapezoidal winglet geometry in a high-efficiency compact heat exchanger, International Journal of Thermal Sciences, 164 (2021): 1–15. (https://doi.org/10.1016/j.ijthermalsci.2021.106872)

10. Sarangi S.K., Mishra D.P., Ramachandran H., Anand N., Masih V., Brar L.S., Analysis and optimization of the curved trapezoidal winglet geometry in a compact heat exchanger, Applied Thermal Engineering, 182 (2021): 1–14. (https://doi.org/10.1016/j.applthermaleng.2020.116088)

9. Shastri R., Brar L.S., Numerical investigations of the flow-field inside cyclone separators with different cylinder-to-cone ratios using large-eddy simulation, Separation and Purification Technology, 249 (2020): 1–17. (https://doi.org/10.1016/j.seppur.2020.117149)

8. Brar L.S., Derksen J.J., Revealing the details of vortex core precession in cyclones by means of large-eddy simulation, Chemical Engineering Research and Design, 159 (2020): 339–352. (https://doi.org/10.1016/j.cherd.2020.04.030) [Download]

7. Wasilewski M., Brar L.S., Ligus G., Experimental and numerical investigation on the performance of square cyclones with different vortex finder configurations, Separation and Purification Technology, 239 (2020): 1–20. (https://doi.org/10.1016/j.seppur.2020.116588)

6. Wasilewski M., Brar L.S., Effect of the inlet duct angle on the performance of cyclone separators, Separation and Purification Technology, 213 (2019): 19–33. (https://doi.org/10.1016/j.seppur.2018.12.023)

5. Brar L.S., Elsayed K., Analysis and optimization of cyclone separators with eccentric vortex finders using large eddy simulation and artificial neural network, Separation and Purification Technology, 207 (2018): 269–283. (https://doi.org/10.1016/j.seppur.2018.06.013)

4. Wasilewski M., Brar L.S., Optimization of the geometry of cyclone separators used in clinker burning process: A Case Study, Powder Technology, 313 (2017): 293–302. (https://doi.org/10.1016/j.powtec.2017.03.025)

3. Brar L.S., Elsayed K., Analysis and optimization of multi-inlet gas cyclones using large eddy simulation and artificial neural network, Powder Technology, 311 (2017): 465–483. (https://doi.org/10.1016/j.powtec.2017.02.004)

2. Brar L.S., Sharma R.P., Elsayed K., The effect of the cyclone length on the performance of Stairmand high-efficiency cyclone, Powder Technology, 286 (2015): 668–677. (https://doi.org/10.1016/j.powtec.2015.09.003)

1. Brar L.S., Sharma R.P., Dwivedi R., Effect of Vortex Finder Diameter on Flow Field and Collection Efficiency of Cyclone Separators, Particulate Science and Technology, 33 (2015): 34–40. (https://doi.org/10.1080/02726351.2014.933144)

 

International Conference Proceedings (Scopus / WOS)

10. Kumar M., Prakash Om, Pandey S., Singh S.K., Brar L.S., Performance evaluation of cyclone models for similar body diameter and flowrate using CFD,  Journal of Physics: Conference Series, (2856) (2024): 012003. (DOI: 10.1088/1742-6596/2856/1/012003)

9. Kumar D., Kumar V., Jha K., Brar L.S., The effect of different subgrid-scale models on the flow field in cyclone separator using large-eddy simulations: A benchmark study,  Journal of Physics: Conference Series, (2856) (2024): 012001. (DOI: 10.1088/1742-6596/2856/1/012001)

8. Pandey V.K., Prakash Om, Brar L.S., Kumar A., Shriwastava S., Chakraborty S., Kumar A., Performance analysis of Plate type Steam Condenser Using Nano-fluid,  Journal of Physics: Conference Series, (2856) (2024): 012006. (DOI: 10.1088/1742-6596/2856/1/012006)

7. Sarangi S.K., Anand N., Srivastava K., Chamoli P., Mishra D.P., Brar L.S., Heat Transfer and Pressure Drop Assessment of a Vortex Generator Supported Fin-And-Tube Heat Exchanger, Advances in Mechanical Processing and Design, Springer, Singapore (2021). (https://doi.org/10.1007/978-981-15-7779-6_13)

6. Pandey S. and Brar L.S., Large-Eddy Simulations of Cyclone Separator Based on the Lattice-Boltzmann Method, AIP Conference Proceedings 2341, 030020 (2021). (https://doi.org/10.1063/5.0050107)

5. Wasilewski M., Brar L.S., Investigations of the flow field inside a square cyclone separator using DPIV and CFD, E3S Web of Conferences, EKO-DOK (2019): 1-8. (https://doi.org/10.1051/e3sconf/201910000083) [Download]

4. Dayal A., Shrivastava M., Upadhyaya R., Brar L.S., Numerical study using detailed chemistry combustion comparing effects of wall heat transfer models for compression ignition diesel engine, SN Applied Sciences (2019). (https://doi.org/10.1007/s42452-019-1033-z) [download]

3. Brar L.S. Application of response surface methodology to optimize the performance of cyclone separator using mathematical models and CFD simulations, Materials Today 5(9)(3) (2018): 20426-20436. (https://doi.org/10.1016/j.matpr.2018.06.418)

2. Brar L.S., Sharma R.P., Effect of varying diameter on the performance of industrial-scale gas cyclone dust separators, Materials Today: Proceedings 2 (2015): 3230 – 3237. (https://doi.org/10.1016/j.matpr.2015.07.127)

1. Brar L.S., Kumar A., Analysis of gas cyclones with different cylinder diameters, 1st International Conference on Futuristic trend in Computational Analysis and Knowledge Management (ABLAZE-2015) (2015). (https://doi.org/10.1109/ABLAZE.2015.7154989)

 

 

Important Links :       [Google Scholar]          [Scopus ID]          [Web of Science ID]          [ResearchGate]          [Vidwan ID]          [Linkedin]

Member of Professional Bodies
  • Life member – The Indian Society for Technical Education
Current Sponsored Projects
  1. Development of abrasion-resistant electroless Ni-B-W coating on cyclone separator walls and design optimization for longevity with enhanced performance. File no. CRG/2023/002116, funded by SERB for 03 years (2024 – 2027). Amount: 48.64 Lacs. (PI)
  2. Development of High Angle of Attack CFD Aerodynamic Database & Behaviour Model of Missile Configuration at Varying Geometric and Flow Parameters. Sl. No.: 3.1 of DRDO/DFMM/PL/83226/M/01/1976/D, funded by AR&DB, DRDO for 02 years (2024 – 2026). Amount: 39.8 Lacs. (Co-PI)
  3. Investigation of Stones as Sensible Thermal Heat Storage Materials for Concentrated Solar Power Applications. File no. CRG/2021/003705 funded by SERB-DST in 2021-2022 till 2024-2025 for 03 years. Amount: 24.86 Lacs. (Co-PI)
Intellectual Property Rights (IPR)

1. Lakhbir Singh Brar, Dipti Prasad Mishra, Rishikesh Sharma, Om Prakash, Nirmal Kumar. A fin and tube heat exchanger, 202331078668 A (24/11/2023) [Published ].

2. Om Prakash, Vijay Kumar Pandey,  Lakhbir Singh Brar, Anil Kumar. A heat storage and release system for energy management in solar power plant, 202331080927 A (01/12/2023) [Published ].

3. Lakhbir Singh Brar, Om Prakash, Rishikesh Sharma. A fin and tube heat exchanger, 202331083441 A (22/12/2023) [Published ].

4. Lakhbir Singh Brar, Rishikesh Sharma, Dipti Prasad Mishra. A fin and tube heat exchanger with inclined continuous vortex, 202431035393 A (10/05/2024) [Published ].

5. Nirmal Kumar, Om Prakash, Lakhbir Singh Brar. Novel Heart Simulator to test Heart Valves. [Published ].

6. Om Prakash, Sounav Banerjee, Lakhbir Singh Brar, Anil Kumar Hydrogen tank for usage in 2/3 wheelers (HydroRide), 202431104871, (31.12.2024) [Published ].

7. Om Prakash, Lakhbir Singh Brar, Sounav Banerjee, Arbind Kumar, Anil Kumar.  Portable solar powered water pump. [Published ].

Member, Editorial Board

1. Guest Editor: International Journal of Energy for a Clean Environment (a Begell House Journal), 2023

2. Guest Editor: Materials Today Proceedings, 2022

3. Guest Editor: AIP Conference Proceedings, 2023

4. Edited Book: Thermo-Fluids & System Design, B.S. publication, 2022, 2024