Publications

Refereed International Journals (Peer Reviewed)

1. SAIKAT MONDAL, Abhimanyu Roy Chaudhuri, Prashanth Reddy Hanmaiahgari and PARTHA ROY CHAUDHURI, (2026), Pendulum-actuated fiber-optic polarization-based torsion sensor for high-precision open-channel flow velocity measurement: Demonstration and modelling, Measurement Science and Technology, IOPScience, DOI 10.1088/1361-6501/ae78f1 (accepted)

2. Kumar, A.M.R.; Lambert, M.F. and Hanmaiahgari, P.R. (2026) Experimental Pressure Measurements and Modelling of Transient Behaviour Under Different Valve Closure Strategies in Pressurised Pipelines. Flow Measurement and Instrumentation  https://doi.org/10.1016/j.flowmeasinst.2026.103313.

3. Kumar, A.M.R.; Hanmaiahgari, P.R.; Lambert, M.F. (2026) CFD modelling of transient flow during rapid filling of horizontal pipeline with air. Ocean Eng. 2026, 349, 124174.

4. Kumar, S., Hanmaiahgari, P.R., & Pu, J.H. Scour process, flow dynamics, hydrodynamic forces, around a series of repelling spur dikes. Sci Rep 16, 616 (2026). https://doi.org/10.1038/s41598-025-30157-4

5. Sandeep Kumar and Prashanth Reddy Hanmaiahgari (2025), Analysis of scour dynamics and turbulence structures at a sequence of repelling spur dikes using higher-order moments, turbulent kinetic energy fluxes, and quadrant analysis, Experimental Thermal and Fluid Science, Elsevier, https://doi.org/10.1016/j.expthermflusci.2025.111637

6. Kumar, Sandeep Hanmaiahgari, Prashanth Reddy Pu, Jaan (2025). Geomorphometric analysis of the Gandak River Basin using remote sensing and GIS, Engenharia Sanitaria e Ambiental, 31, (accepted).

7. Kumar, Sandeep Hanmaiahgari, Prashanth Reddy Pu, Jaan (2025). Morphological analysis of the Gandak River between Valmikinagar Barrage and Chakia using Google Earth Engine, Engenharia Sanitaria e Ambiental, 30, https://doi.org/10.1590/S1413-415220250048.

8. Pu JH, Ikani N, Hanmaiahgari P.R., Mohammad Razi MA, Hamdan RB, Saphira Binti Radin Mohamed RM, and Al-Qadami EHH (2025) Editorial: Advances in fluvial, coastal, wastewater, and hydro-environment systems, volume II. Front. Environ. Sci. 13:1657658. doi: 10.3389/fenvs.2025.1657658

9. Mohammadi, Farnaz, Jaan H. Pu, Yakun Guo, Prashanth Reddy Hanmaiahgari, Ozra Mohammadi, Mirali Mohammadi, Ebrahim AlQadami, and Mohd Adib Mohammad Razi. “HydroClimatic Variability and Peak Discharge Response in Zarrinehrud River Basin, Iran, Between 1986 and 2018.” Atmosphere 16, no. 6 (June 4, 2025): 681. https://doi.org/10.3390/atmos16060681.

10. Ikani, Nima, Jaan H. Pu, Prashanth R. Hanmaiahgari, Bimlesh Kumar, Ebrahim Hamid Hussein AlQadami, Mohd Adib Mohammad Razi, and Shuyan Zang. “Computational and Experimental Analysis of Flow Velocity and Complex Vortex Formation Around a Group of Bridge Piers.” Water Science and Engineering 18, no. 2 (June 2025): 247–58. https://doi.org/10.1016/j.wse.2025.01.003

11. Mals, Heba, Jaan H. Pu, Prashanth Reddy Hanmaiahgari, Bimlesh Kumar, Ebrahim Hamid Hussein AlQadami, and Mohd Adib Mohammad Razi. “Gap Impact on Rigid Submerged Vegetated Flow and Its Induced Flow Turbulence.” Journal of Marine Science and Engineering 13, no. 5 (May 2025): 829. https://doi.org/10.3390/jmse13050829

12. Pu, Jaan H., John Chukwuemeka, Radin Maya Saphira Binti Radin Mohamed, Rafidah Binti Hamdan, Prashanth Reddy Hanmaiahgari, and Rodrigo B. Moruzzi. “The Future of Rainwater Recycling: Assessing Health Risks and Environmental Impact.” Engenharia Sanitária e Ambiental 30 (April 2, 2025). https://doi.org/10.1590/S1413-415220240038

13. Kumar, Sandeep, Bimlesh Kumar, Jaan H. Pu, and Prashanth Reddy Hanmaiahgari. “Probability Distribution Functions of Velocity Fluctuations and Quadrant Analysis on Turbulent Flow Around a Horizontal Cylinder Across a Channel Bed.” Water 17, no. 7 (2025): 958. https://doi.org/10.3390/w17070958 

14. Pu, Jaan H., John Chukwuemeka, Radin Maya Saphira Binti Radin Mohamed, Rafidah Binti Hamdan, Prashanth Reddy Hanmaiahgari, and Rodrigo B. Moruzzi.“O futuro do aproveitamento de água pluvial: avaliando os riscos à saúde e o impacto ambiental.” Engenharia Sanitária e Ambiental 30 (2025). https://doi.org/10.1590/S1413-415220240038

15. John, C.K., Pu, J.H., Yakun Guo, Mark Keating, Ebrahim Hamid Hussein Al-Qadami, Mohd Adib Mohammad Razi and Prashanth Reddy Hanmaiahgari (2024), 3D numerical modelling and laboratory study of flow field induced by a group of submerged vegetations, Vol 312, Part 1, Ocean Engineering, https://doi.org/10.1016/j.oceaneng.2024.119038

16. Kalpana Devi, Prashanth Reddy Hanmaiahgari, Jaan H. Pu; Effects of a spoiler attachment on the wake flow of a bed-mounted horizontal pipe. Physics of Fluids 1 October 2024; 36 (10): 105160. https://doi.org/10.1063/5.0230898

17. Kumar, S., Hanmaiahgari, P.R., Chowdary, V.M. et al. Geomorphological characteristics of Gandak river between Sahibganj and confluence with Ganga river during 1989–2022. Environ Earth Sci 83, 501 (2024). https://doi.org/10.1007/s12665-024-11812-x

18. Kumar, M. R. Ajith, Prashanth R. Hanmaiahgari, and Jaan H. Pu. 2024. "Pressure and Velocity Profiles over a Weir Using Potential Flow Model" Fluids 9, no. 8: 182. https://doi.org/10.3390/fluids9080182

19. John, C.K., Pu, J.H., Moruzzi, Prashanth Reddy Hanmaiahgari, et al. Deposition and Microbial Analyses from Roof-Top Sediments Within Different Sanitation Environments. Top Catal 67, 983–993 (2024). https://doi.org/10.1007/s11244-023-01856-x

20. Pu, Jaan H., Manish Pandey, and Prashanth Reddy Hanmaiahgari. 2024. "Environmental Hydraulics, Turbulence, and Sediment Transport, Second Edition" Fluids 9, no. 6: 120. https://doi.org/10.3390/fluids9060120

21. Gangadhar Kokkiligadda, Anirban Dhar and Prashanth Reddy Hanmaiahgari 2024 Effects of Reynolds number and blockage ratio on the turbulence characteristics of open channel flow passing through trash rack J. Phys.: Conf. Ser. 2701 012081DOI 10.1088/1742-6596/2701/1/012081

22. Gangadhar Kokkiligadda, Anirban Dhar and Prashanth Reddy Hanmaiahgari  2024 Numerical modelling of interaction of turbulent flow with trash screen in open channels J. Phys.: Conf. Ser. 2701 012080DOI 10.1088/1742-6596/2701/1/012080

23. Kumar, M. R. Ajith, Jaan H. Pu, Prashanth R. Hanmaiahgari, and Martin F. Lambert. 2023. "Insights into CFD Modelling of Water Hammer" Water 15, no. 22: 3988. https://doi.org/10.3390/w15223988

24. Sanny Kumar, Prashanth Reddy Hanmaiahgari and H.P. Singh, (Aug 2023), Developing a numerical model for sediment transport in channel network by considering multigrade bed load sediment, ISH Journal of Hydraulic Engineering, DOI: 10.1080/09715010.2023.2250303

25. Pal, S.; Hanmaiahgari, P.R.; Kottam, R. R., and Lambert M. F., (2023) Estimation of Deposit Thickness in Single-Phase Liquid Flow Pipeline using Finite Volume Modelling, Journal of Pipeline Science and Engineering, Elsevier, 4(1), https://www.sciencedirect.com/science/article/pii/S2667143323000379

26. Chukwuemeka Kingsley John, Jaan H. Pu, Rodrigo Moruzzi, Prashanth R. Hanmaiahgari, Manish Pandey, Shuyan Zang, and Mehdi Jamei, (2023), "Deposition and microbial analyses from roof-top sediments within different sanitation environments", Topics in Catalysis (Accepted)

27. Chukwuemeka Kingsley John, Jaan H. Pu, Y Guo, Manish Pandey, and Prashanth R. Hanmaiahgari, (2023) "Flow turbulence presented by varying vegetation spacing sizes within a submerged vegetation patch", J Hydrodyn. (Accepted)

28.  Devi, K., Mishra, S., Hanmaiahgari, P.R. et al. Wake flow field of a wall-mounted pipe with a spoiler on a rough channel bed. Acta Geophys. (2023). https://doi.org/10.1007/s11600-022-01008-x 

29. Pu JH, Pandey M, Li J, Satyanaga A, Kundu S, and Hanmaiahgari PR (2022), Editorial: The urban fluvial and hydro-environment system. Front. Environ. Sci. 10:1075282. doi: 10.3389/fenvs.2022.1075282

30. Nima Ikani, Jaan H. Pu, Tarek Taha, Prashanth Reddy Hanmaiahgari, and Nadia Penna, (2022), Bursting phenomenon created by bridge piers group in open channel flow, (preprint) DOI: https://doi.org/10.21203/rs.3.rs-2086458/v1

31. Devi K, Hanmaiahgari PR, Balachandar R, V. Mahendra Reddy (2022). Effects of Reynolds Number and Submergence Ratio on Turbulence Structures in the Shallow Wake of a Horizontal Pipe Located on a Rough Bed, Physics of Fluids, AIP Publishing (Accepted)

32. Kumar, S.; Singh, H.P.; Balaji, S.; Hanmaiahgari, P.R.; Pu, J.H. Inclusive Hyper- to Dilute-Concentrated Suspended Sediment Transport Study Using Modified Rouse Model: Parametrized Power-Linear Coupled Approach Using Machine Learning. Fluids 2022, 7, 261. https://doi.org/10.3390/fluids7080261

33. Soni, N, Hanmaiahgari, PR, Reddy, VM. Novel thermal treatment model to decontaminate airborne SARS-CoV-2 virus for residential and commercial buildings. Heat Transfer. 2022; 1- 31. doi:10.1002/htj.22586

34. Wallwork JT, Pu JH, Kundu S, Hanmaiahgari PR, Pandey M, Satyanaga A, Khan MA, Wood A. Review of Suspended Sediment Transport Mathematical Modelling Studies. Fluids. 2022; 7(1):23. https://doi.org/10.3390/fluids7010023

35. Mahananda, M., Hanmaiahgari, P. R., and Balachandar R., (2022), On the Turbulence Characteristics in Developed and Developing Rough Narrow Open-channel Flow, Journal of Hydro-environment Research, https://doi.org/10.1016/j.jher.2021.11.003

36. Devi K, Hanmaiahgari PR, Balachandar R, Pu JH. Self-Preservation of Turbulence Statistics in the Wall-Wake Flow of a Bed-mounted Horizontal Pipe. Fluids. 2021;6(12):453. https://doi.org/10.3390/fluids6120453

37. Devi K, Hanmaiahgari PR, Balachandar R, Pu JH. A Comparative Study between Sand- and Gravel-Bed Open Channel Flows in the Wake Region of a Bed-Mounted Horizontal Cylinder. Fluids. 2021; 6(7):239. https://doi.org/10.3390/fluids6070239

38. Pal, S.; Hanmaiahgari, P.R.; Karney, B.W. An Overview of the Numerical Approaches to Water Hammer Modelling: The Ongoing Quest for Practical and Accurate Numerical Approaches. Water 2021, 13(11), 1597. https://doi.org/10.3390/w1311159

39. Pu, J.H.; Wallwork, J.T.; Khan, A.M.; Pandey, M.; Pourshahbaz, H.; Satyanaga, A.; Hanmaiahgari, P.R.; Gough, T. Flood Suspended Sediment Transport: Combined Modelling from Dilute to Hyper‐concentrated Flow. Water 2021, 13, 379. https://doi.org/10.3390/w13030379

40. Chukwuemeka John; Jaan H. Pu; Manish Pandey; Prashanth R. Hanmaiahgari (2021) Sediment deposition within rainwater: Case study comparison of four different sites in Ikorodu, Nigeria, Fluids 2021, 6(3), 124; https://doi.org/10.3390/fluids6030124.

41. Neelesh Soni, Debojit Sharma, Mustafa M. Rahman, Prashanth R. Hanmaiahgari, V. Mahendra Reddy, (2021) Mathematical Modeling of Solar Energy-based Thermal Energy Storage for House Heating in Winter, Journal of Energy Storage, Volume 34,102203, ISSN 2352-152X,https://doi.org/10.1016/j.est.2020.102203.

42. Mahananda, M., Hanmaiahgari, P. R., Balachandar R., and Roussinova, V. (2021), Effects of Aspect Ratio on Higher-Order Moments, Conditional Statistics, TKE Budget and Anisotropy in Narrow Open Channel Flow, CJCE, 48(6), https://doi.org/10.1139/cjce-2019-0374

43. Jaan Pu, Manish Pandey, and Prashanth R. Hanmaiahgari, (2020), Analytical Modelling of Sidewall Turbulence Effect on Streamwise Velocity Profile using 2D Approach: A Comparison of Rectangular and Trapezoidal Open Channel Flows, Journal of Hydro-environment Research, 32,  

44. Pal, Susonvan, Hanmaiahgari, P. R., and Lambert M. F., (2020), "Efficient Approach towards Application of Godunov Method to Hydraulic Transients" Journal of Hydroinformatics.

45. Maji, S.; Hanmaiahgari, P.R.; Balachandar, R.; Pu, J.H.; Ricardo, A.M.; Ferreira, R.M. (2020), A Review on Hydrodynamics of Free Surface Flows in Emergent Vegetated Channels. Water 2020, 12, 1218. https://doi.org/10.3390/w12041218

46. Jaan H.Pu, Awesar Hussain, Ya-kun Guo, Nikolaos Vardakastanis, Prashanth R.Hanmaiahgari, and Dennis Lama (2019), "Submerged flexible vegetation impact on open channel flow velocity distribution: An analytical modelling study on drag and friction, Water Science and Engineering, Elsevier, Volume 12, Issue 2, Pages 121-128, https://doi.org/10.1016/j.wse.2019.06.003.

47. Hanmaiahgari, P.R., Kottam, R.R., and Kaushik, M. (2019) "Estimation and Examination of Linepack Pressures in Long Water Pipelines." Sadhana, Springer, 44(5), DOI: 10.1007/s12046-019-1081-5

48. Mahananda, Hanmaiahgari, P.R., Ojha, and Ram Balachandar, (2019) “A new analytical method for the velocity distribution in narrow open channel flow”, Canadian Journal of Civil Engineering, 46(7), 657-668, http://dx.doi.org/10.1139/cjce-2018-0615

49. Minakshee Mahananda, Prashanth R. Hanmaiahgari, and Ram Balachandar, (2018) Effect of Aspect Ratio on Developing and Developed Narrow Open Channel Flow with Rough Bed, CJCE, 45(9): 780-794, https://doi.org/10.1139/cjce-2017-0458

50. Hanmaiahgari, P. R, Nooka Raju Gompa, Pal, D., and Jaan Hui Pu (2018), Numerical Modeling of the Sakuma Dam Reservoir Sedimentation, Natural Hazards, Springer. 91(3):1075–1096 https://doi.org/10.1007/s11069-018-3168-4

51. Jaan Hui Pu, Simon Tait, Yakun Guo, Yuefei Huang, and Prashanth Reddy Hanmaiahgari (2018), Dominant Features in Three-Dimensional Turbulence Structure: Comparison of Non-Uniform Accelerating and Decelerating Flows, 18(2) 395-416, Environmental Fluid Mechanics.

52. Khaple, S., Hanmaiahgari, P.R., Gaudio, R. et al. Acta Geophys. 65(5): 957-975, (2017) https://doi.org/10.1007/s11600-017-0084-z

53. Maji, S., Pal, D., Hanmaiahgari, P.R. and Gupta, U.P., Hydrodynamics and turbulence in emergent and sparsely vegetated open channel flow, Environ Fluid Mech, 17(4):853–877, 2017, DOI 10.1007/s10652-017-9531-2, 

54. Hanmaiahgari, P.R., Elkholy, M. & Riahi-Nezhad "Identification of partial blockages in pipelines using genetic algorithms", Sādhanā, 42(9), pp 1543–1556, (2017), DOI: 10.1007/s12046-017-0707-8

55. Shivakumar Khaple, Prashanth Reddy Hanmaiahgari, Subhasish Dey, and Roberto Gaudio (2017), "Interference of an Upstream Pier on Local Scour at Downstream Piers," Acta Geophys. 65:29-46, DOI 10.1007/s11600-017-0004-2

56. Hanmaiahgari, P. R., Vesselina Roussinova, Ram Balachandar (2017) "Turbulence characteristics of flow in an open channel with temporally varying mobile bedforms", J. Hydrol. Hydromech., 65(1), 2017, 35-48, DOI: 10.1515/johh-2016-0044  

57. S. Maji, D. Pal, P. R. Hanmaiahgari, and J. H. Pu, (2016) "Phenomenological Features of Turbulent Hydrodynamics in Sparsely Vegetated Open Channel Flow" accepted for publication in Journal of Applied Fluid Mechanics, 9(6), pp. 2865-2875. 

58. H. Prashanth Reddy, and Ram Balachandar (2016) "Turbulence Characteristics of Flow over Non-Equilibrium Three-Dimensional Mobile Dunes" 41(9), 1019-1037, (DOI:10.1007/s12046-016-0537-0). 

59. Hanmaiahgari, P. R. (2015) Book Review of "Fluvial Hydrodynamics: Hydrodynamic and Sediment Transport Phenomena" Authored by Dr. Subhasish Dey, Springer Verlag, Berlin GeoPlanet: Earth and Planetary Sciences, 2014, 687 pp., £117, ISBN 978-3-642-19061-2, Water Management, ICE Proceedings. (available online )  Click here

60. H. Prashanth Reddy, Chaudhry, M. H., and Imran Jasmin, (2014) "Computation of Gradually Varied Flow in Compound Open Channel Networks", Sadhana, Springer, 39(6), 1523-1545 (DOI: 10.1007/s12046-014-0299-5).

61. Soumen Maji, Prashanth Reddy Hanmaiahgari, and Subhasish Dey (2014), "Experimental studies of local scour in the pressurized OCF below a wooden log across the flow," Sadhana, Springer, 39(5), 1245-1257 (DOI: 10.1007/s12046-014-0267-0).

62. H. Prashanth Reddy, Silva‐Araya, W. F., and Chaudhry, M. H., (2012) “Estimation of Decay Coefficients for Unsteady Friction for Instantaneous Acceleration Based Models,” Journal of Hydraulic Engineering, ASCE, 138(3), 260‐271.   

63. H. Prashanth Reddy, Shankar Narasimhan, S. Murty Bhallamudi, S. Bairagi, (2011) “Leak detection in gas pipeline networks using an efficient state estimator - Part-II: Experimental and field verifications” Computers and Chemical Engineering, Elsevier, 35(4), 662-670. 

64. H. Prashanth Reddy, Shankar Narasimhan, S. Murty Bhallamudi, S. Bairagi, (2011) “Leak detection in gas pipeline networks using an efficient state estimator - Part-I: Theory and simulations” Computers and Chemical Engineering, Elsevier, 35(4), 651-661.

65. Chaudhry, M. H. and H. Prashanth Reddy (2011)“Mathematical modeling of lake-tap flows,” Journal of Hydraulic Engineering, ASCE, 137(5), 611-614. 

66. H. Prashanth Reddy, Chaudhry, M. H., Mahapatra, P. K., “Modeling of periodic flows in pipelines by transfer function method,” Journal of Hydraulic Research, IAHR, Vol. 48, No. 2 (2010), pp. 255–259.

67. H. Prashanth Reddy, Narasimhan, S., Bhallamudi, S. M., (2006), “Simulation and state estimation of transient flow in gas pipeline networks using a transfer function model,” Ind. Eng. Chem. Res, American Chemical Society, Vol. 45(11), 3853-3863.

68. H. Prashanth Reddy and S. Murty Bhallamudi, (2006), Closure to “Gradually Varied Flow Computation in Cyclic Looped Channel Networks,” J. of Irrig. and drain. Engg., ASCE, 132:189-189.

69. H. Prashanth Reddy, Bhallamudi, S. M., (2004), “Gradually varied flow computation in cyclic looped open channel networks,” J. of Irrig. and drain. Engg., ASCE, 130(5), 425-431.

Open access papers (non SCI)

1. Kaushik, M. and Hanmaiahgari, P. R., (2015), "Under expansion level effects on circular and elliptic sonic jets propagation," American Journal of Fluid Dynamics, 5(3A): 12-18, DOI: 10.5923/s.ajfd.201501.02. (open access)