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Subhasish Dey

	S Dey Ph.D.(IIT Kharagpur) Professor, Civil Engineering
	S Dey joined the Institute in 1998

Contact Addresses

Residence	B-86, IIT Campus, Kharagpur 721302
Phone (office)	+91 - 3222 - 283418
Phone (residence)	+91 - 3222 - 283419 (IIT Phone) +91 - 3222 - 279143 (Private Phone)
email	sdey @ civil.iitkgp.ernet.in
More Information	http://www.facweb.iitkgp.ernet.in/~sdey/

Research Areas

Hydrodynamics
Turbulence
Sediment Transport

Awards & Honours

Brahmaputra Chair Professor for Water Resources (2009)

Fellow

Fellow : Indian Society for Hydraulics
Fellow : Institution of Engineers (India)
Fellow : Indian National Academy of Engineers

Member of Professional Bodies

Member : World Association for Sedimentation and Erosion Research
Member : International Association for Hydraulic Research

Current Sponsored Projects

Project Title : Bridge scour estimation, measurement and protection and use of various time systems like TDR, TTS and SA
Principal Investigator : Subhasish Dey
Sponsor : RDSO

On-going Consultancy Projects

Project Name : Hazen-Williams C values for ductile iron pipes
Client : Tata Metaliks Kubota Pipes Limited, Kharagpur
Consultant : Subhasish Dey
Project Name : Sump model study for Dadri, Simhadri and Farakka CW pumps
Client : WPIL Limited, Kolkata
Consultant :

Member, Editorial Board

Associate Editor : Journal of Hydraulic Engineering
Associate Editor : Sedimentology
Associate Editor : Journal of Hydro-Environment Research
Associate Editor : International Journal of Sediment Research
Associate Editor : KSCE Journal of Civil Engineering
Associate Editor : Journal of Numerical Mathematics and Stochastics
Member of Editorial Board : International Review of Civil Engineering
Member of Editorial Board : Flow Measurement and Instrumentation
Member of Editorial Board : Engineering Applications of Computational Fluid Mechanics

Publications: 2009 - 2010

Reynolds averaged theory of turbulent shear flow over undulating beds and formation of sand waves by Bose S K and Dey S Physical Review E, 80, 036304 (2009)
Suspended-load of sediment in flow on erodible beds by Bose S K and Dey S International Journal of Sediment Research, 24, 315-324 (2009)
Influence of bank vegetation and gravel bed on velocity and Reynolds stress distributions by Afzalimhr H and Dey S International Journal of Sediment Research, 24, 236-246 (2009)
Flow characteristics around a circular cylinder placed horizontally above a plane boundary by Lin W J, Lin C, Hsieh S C and Dey S Journal of Engineering Mechanics, 135, 697-716 (2009)
One-dimensional channel flow equation revisited by Castro-Orgaz O and Dey S Journal of Hydraulic Research, 46, 157-166 (2009)

Publications: 2008 - 2009

Local scour and riprap stability at an abutment in a degrading bed by Dey S, Chiew Y M and Kadam M S Journal of Hydraulic Engineering, 134, pp. 1496-1502 (2008)
Characteristics of submerged jets in evolving scour hole downstream of an apron by Dey S and Sarkar A Journal of Engineering Mechanics, 134, pp. 927-936 (2008)
Maximum scour depth at piers in armor-beds by Raikar R V and Dey S KSCE Journal of Civil Engineering, 13, pp. 137-142 (2009)

Publications: 2007 - 2008

Curvilinear flow profiles based on Reynolds averaging by Bose S K and Dey S, Journal of Hydraulic Engineering, 133, pp. 1074-1079 (2007)
Computation of Reynolds and boundary shear stress in submerged jets on rough boundaries by Dey S and Sarkar A, Journal of Hydro-Environment Research, 1, pp. 110-117 (2007)
Clear-water scour below underwater pipelines by Dey S and Singh N P, Journal of Hydro-Environment Research, 1, pp. 157-162 (2007)
Influence of decelerating flow on incipient motion of a gravel-bed stream by Afzalimhr H, Dey S and Rasoulianfar P, Sadhana, Academy Proceedings in Engineering Sciences, 32, pp. 545-559 (2007)
Scour at submerged cylindrical obstacles under steady flow by Dey S, Raikar R V and Roy A, Journal of Hydraulic Engineering, 134, pp. 105-109 (2008)
Characteristics of turbulent flow in submerged jumps on rough beds by Dey S and Sarkar A, Journal of Engineering Mechanics, 134, pp. 49-59 (2008)
Kinematics of horseshoe vortex developing in an evolving scour hole at a square cylinder by Raikar R V and Dey S, Journal of Hydraulic Research, 46, pp. 247-264 (2008)
Characteristics of steady horseshoe vortex system near the junction of square cylinder and base plate by Lin C, Ho T C and Dey S, Journal of Engineering Mechanics, 134, pp. 184-197 (2008)
Sediment threshold under stream flow: A state-of-the-art review by Dey S and Papanicolaou A, KSCE Journal of Civil Engineering, 12, pp. 45-60 (2008)
Clear-water scour below underwater pipelines under steady flow by Dey S and Singh N P, Journal of Hydraulic Engineering, 134, pp. 588-600 (2008)

Publications: 2006 - 2007

Effect of seepage on scour due to submerged jets and resulting flow field by Dey S and Sarkar A, Journal of Hydraulic Research, IAHR, Vol. 45, pp. 357-364 (2007)
Clear-water scour at piers in sand-beds with an armor-layer of gravels by Dey S and Raikar R V, Journal of Hydraulic Engineering, ASCE, Vol.133, pp. 703-711 (2007)
Scour below a high vertical drop by Dey S and Raikar R V, Journal of Hydraulic Engineering, ASCE, Vol.133, pp. 564-568 (2007)
Characteristics of horseshoe vortex in developing scour holes at piers by Dey S and Raikar R V, Journal of Hydraulic Engineering, ASCE, Vol.133, pp. 399-413 (2007)
Characteristics of loose rough boundary streams at near-threshold by Dey S and Raikar R V, Journal of Hydraulic Engineering, ASCE, Vol.133, pp. 288-304 (2007)
Theory of free surface flow over rough seeping beds by Bose S K and Dey S, Proceedings of Royal Society A, London, Vol.463, pp. 369-383 (2007)
Effect of upward seepage on scour and flow downstream of an apron due to submerged jets by Dey S and Sarkar A, Journal of Hydraulic Engineering, ASCE, Vol. 133, pp. 59-69 (2007)
Discharge prediction in compound channels by end depth method by Dey S and Lambert M F, Journal of Hydraulic Research, IAHR, Vol. 44, pp. 767-776 (2006)

Publications: 2005 - 2006

Reynolds stress and bed shear in nonuniform-unsteady open channel flow by Dey S and Lambert M, Journal of Hydraulic Engineering, ASCE, 131 (2005)
Clear-water scour at bridge piers in fine and medium gravel beds by Raikar R V and Dey S, Canadian Journal of Civil Engineering, NRC, 32 (2005)
Scour of fine and medium gravels at bridge piers and abutments by Raikar R V and Dey S, Water Management Journal, ICE (London), 158 (2005)
Scour at long contractions by Dey S and Raikar R V, Journal of Hydraulic Engineering, ASCE, 131 (2005)
Flow field at a vertical-wall abutment by Dey S and Barbhuiya A K, Journal of Hydraulic Engineering, ASCE, 131 (2005)
Free overfall from circular channels with flat base by Dey S, Journal of Hydraulic Research, IAHR, 43 (2005)
Velocity and turbulence in a scour hole at a vertical-wall abutment by Dey S and Barbhuiya A K, Flow Measurement and Instrumentation, Elsevier, 17 (2006)
Scour downstream of an apron due to submerged horizontal jets by Dey S and Sarkar A, Journal of Hydraulic Engineering, ASCE, 132 (2006)
Control of scour at vertical circular piles under waves and current by Dey S, Sumer B M and Fredsoe J, Journal of Hydraulic Engineering, ASCE, 132 (2006)
Pier scour and thinly layered-bed scour within a long contraction by Raikar R V and Dey S, Canadian Journal of Civil Engineering, NRC, 33 (2006)
3D flow field in a scour hole at a wing-wall abutment by Dey S and Barbhuiya A K, Journal of Hydraulic Research, IAHR, 44 (2006)
Response of velocity and turbulence in submerged wall jets to abrupt changes from smooth to rough beds and its application to scour downstream of an apron by Dey S and Sarkar A, Journal of Fluid Mechanics, Cambridge University Press, 556 (2006)
Live-bed scour in long contractions by Dey S and Raikar R V, International Journal of Sediment Research, WASER, 21 (2006)

Publications: 2004 - 2005

Scour hole downstream of an apron caused by submerged jets by Sarkar A and Dey S, Water Management Journal, 158 (2005)
End-depth in U-shaped channels: a simplified approach by Dey S, Journal of Hydraulic Engineering, 131 (2005)
Reynolds stress in open channel flow with upward seepage by Dey S and Cheng N S, Journal of Engineering Mechanics, 131 (2005)
Turbulent flow field in a scour hole at a semicircular abutment by Dey S and Barbhuiya A K, Canadian Journal of Civil Engineering, 32 (2005)
Time-variation of scour at abutments by Dey S and Barbhuiya A K, Journal of Hydraulic Engineering, 131 (2005)
Flow field in scoured zone of channel contractions by Raikar R V and Dey S, International Journal of Sediment Research, 19 (2004)
Local scour at abutments: a review by Barbhuiya A K and Dey S, Proceedings of Engineering Sciences, 29 (2004)
Clear water scour at abutments in thinly armored beds by Dey S and Barbhuiya A K, Journal of Hydraulic Engineering, 130 (2004)
Sediment threshold with upward seepage by Dey S and Zanke U C E, Journal of Engineering Mechanics, 130 (2004)
End depth computation in inverted semicircular channels using ANNs by Raikar R V, Nagesh Kumar D and Dey S, Flow Measurement and Instrumentation, 15 (2004)

Some Earlier Publications

Incipient motion of bivalve shells on sand beds under flowing water. by Dey S, Journal of Engineering Mechanics, ASCE, 129 (2003) 232-240
Free overfall in inverted semicircular channels by Dey S, Journal of Hydraulic Engineering, ASCE, 129 (2003) 438-447
Overfall in U-shaped channels. by Dey S, Journal of Engineering Mechanics, ASCE, 129 (2003) 358-362
Hydraulics of submerged jet subject to change in cohesive bed geometry by Dey S and Westrich B, Journal of Hydraulic Engineering, ASCE, 129 (2003) 44-53
Initiation of shells motion on sand beds: an experimental study by Dey S and Kumar A, International Journal of Sediment Research, IRTCES, 17 (2002) 286-298
Incipient motion of gravel and coal beds. Proceedings of Engineering Sciences by Dey S and Raju U V, Indian Academy of Sciences, 27 (2002) 559-568
Free overfall from circular channels with flat base by Dey S, Flow Measurement and Instrumentation, Elsevier, 13 (2002) 209-221
Free overfall in open channels: state-of-the-art review by Dey S, Flow Measurement and Instrumentation, Elsevier, 13 (2002) 247-264
Secondary boundary layer and wall shear for fully developed flow in curved pipes by S. Dey, Proceedings of Mathematical, Physical and Engineering Sc, 458, Seri (2002) 283 - 298
Hydraulics of free overfall in D-shaped channels. Proceedings of Engineering Sciences, by Dey S and Ravi Kumar B, Indian Academy of Sciences, 27 (2002) 353-363
A note on critical flow section in collector channels by S. Dey, Sadhana, Indian Academy of Sciences, 26 (2001) 439 - 445
Experimental study on incipient motion of sediment particles on generalized sloping fluvial beds by S. Dey, International Journal of Sediment Research, 16, 3 (2001) 391 - 398
Flow measurement by the end-depth method in inverted semicircular channels by S. Dey, Flow Measurements and Instrumentation, 12, 4 (2001) 253 - 258
Force on vertical sluice gate with an opening at bottom: an experimental study by S. Dey, Dam Engineering, UK, 12, 2 (2001) 125 - 136

Indian Institute of Technology Kharagpur, Kharagpur - 721302, INDIA
Telephone Number +91-3222-255221 | FAX : +91-3222-255303