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Research Highlights

DESIGN OF SEASIDE DYKE FOR THE KALPASAR PROJECT, GUJARAT

DESK STUDIES FOR THE DESIGN OF COASTAL PROTECTION WORK AT FANSA (MANGELWAD TO BARIYAWAD), UMARGAM, DISTRICT VALSAD, GUJARAT

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DESK STUDIES FOR THE DESIGN OF COASTAL PROTECTION WORKS AT MAROLI, KALGAM AND FANSA VILLAGE, UMARGAM TALUKA, VALSAD DISTRICT, GUJARAT

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DESK STUDIES FOR THE DESIGN OF GROYNES FOR BANK PROTECTION WORK AT BORSI-MACHHIWAD, NAVSARI, GUJARAT

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DESK AND WAVE FLUME STUDIES FOR THE DESIGN OF BREAKWATER FOR THE DEVELOPMENT OF GATEWAY PORT AT KAKINADA, EAST GODAVARI DISTRICT, ANDHRA PRADESH, INDIA

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MATHEMATICAL MODEL STUDIES FOR SURGE ANALYSIS OF WARDHA BARRAGE (HADGAON) LIFT IRRIGATION SCHEME-1 TALUKA: BABHULGAON; DISTRICT: YAVATMAL, MAHARASTRA

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MATHEMATICAL MODEL STUDIES FOR SURGE ANALYSIS OF WARDHA BARRAGE (HADGAON) LIFT IRRIGATION SCHEME-2 TALUKA: BABHULGAON; DISTRICT: YAVATMAL, MAHARASTRA

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HYDRAULIC MODEL STUDIES FOR LEFT FLANK HEAD REGULATOR OF POLAVARAM IRRIGATION PROJECT, ANDHRA PRADESH

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DESK AND WAVE FLUME STUDIES FOR THE DESIGN OF BREAK WATER FOR THE DEVELOPMENT OF MULTI PURPOSE HARBOUR AT BUYNDUR, KARNATAKA

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Control structure and water conductor division is engaged in the hydraulic model studies on Power intakes, Hydraulic gates, tailrace channels etc. The division offers hydraulically efficient and economically viable solutions to various problems in the associated fields viz., assessment of hydrodynamic uplift and down pull, estimating air demand of gated outlets, flow conditions including formation of vortices in the reservoir in the vicinity of power intake and to observe pressure fluctuations in tailrace channel. The study of structures controlling and guiding high velocity flows include gates, tunnels and outlets.

Broad areas of expertise

Physical model studies to examine the design of Power Intake by observing possibility of formation of air entraining vortices in front of Power Intake for different Reservoir Water with Spillway operation in combination and observe general flow conditions in the vicinity of Spillway and accordingly suggest remedial measures to avoid undesirable flow conditions.
Physical model studies examine the design of Hydraulic gates, stop logs and bulk heads by determining the net hydrodynamic force coming on the gates at various percentage openings to assess the hoisting capacity and access the aeration needs downstream of gates under various operating conditions
Physical model studies to finalize the alignment and geometry of the tailrace channel including observation of flow conditions and velocities in the tail pool to prevent loss of head which in turn reduces the power generatio

Significant Contributions

CSWCS division has carried out studies for more than 20 hydro-power projects in India and abroad which were useful to evolve economic and safe hydraulic designs of sluice spillways, hydraulic gates, Stoplog gate units etc. Some of the major projects of National and International importance conducted by CSWCS Division include:
Physical Model Studies for Gates, Stop logs and Bulk heads : Irrigation sluice gate Salma Dam Project Afghanistan, Spillway Stoplog Chamera H.E. Project Stage-II Himachal Pradesh, Stoplog units of Sluice Spillway Tala H.E. Project Bhutan, Irrigation Bye-Pass Tunnel Service Gate And Stilling Basin , Sardar Sarovar Project Gujarat , Service and Emergency gates of depletion tunnel Doyang Hydroelectric Project Nagaland.
Physical Model Studies for Head Race and Tail Race Channel: Revised Design of Headrace And Tailrace Channels on 1:60 G.S. Scale Power Intake Model for Omkareshwar Project MP, Power House Tailrace Joining works with River For Subansiri Lower H.E. Project Arunachal Pradesh.
Physical Model Studies for intakes, penstocks, surge shafts, tunnels: Power intake of NathpaJhakri Project Himcahal Pradesh , Sardar Sarovar, Bhira Surge Tank, Indira Sarovar, Kakkad, Indravati, Doyang, Baira-Siul, Beas P3R, T1, T2 Tunnels, Pandoh Baggi, Koyna and Salal Tail Race Systems, Koyna Lake Tape, Srisailam Intake, Kalinadi Surge Shaft.

Physical Models:

Hydraulic model for Power Intake of Kholongchu H.E. Project, Bhutan
Hydraulic model for Service and Emergency Gate on the sluice of Garudeshwar Weir, Gujarat
Hydraulic model for Power House Tailrace Joining Works with River for Subansiri Lower H.E. Project Arunachal Pradesh

Field equipment’s:

Current meter, Pitot tube
Piezometer, pressure transducer
Stepper motor, Motor drive
Load cell, Signal conditioner
Data acquisition

Serial No.	Title of the Projects	Client/Sponsoring Agency
1.	Hydraulic Model Studies for Power Intake of Dugar H.E Project , Himachal Pradesh	NHPC Ltd.
2	Hydraulic Model Studies for Power Intake of Kholongchhhu H.E Project , Bhutan	WAPCOS Ltd.
3	Revised Estimate for Hydraulic Model Studies for Service and Emergency Gates on the Scouring and River sluice of GhattiBasavanna Dam, Karnataka	State Government of Karnataka
4	Hydraulic Models studies for Power House Tailrace Joining Works with River For Subansiri Lower H.E. Project ,Arunachal Pradesh.	NHPC Ltd.

K.C.Sahu, K Rajesh, ‘Design of Power Intakes – A Case Study’, HYDRO 2023
K.C.Sahu, K Rajesh, A K Agrawal, ‘Performance of Geometry of Gate Lip Angle – A Case Study’, HYDRO 2021

Serial No.	Name	Designation	Email Id	Phone Number
1	Dr. K.C. Sahu	Scientist -C & HOD	kc[dot]sahu[at]cwprs[dot]gov[dot]in	020-24103286
2	Shri Asit Meshram	Scientist -B	meshram[dot]ap[at]cwprs[dot]gov[dot]in	020-24103265
3	Shri K. Rajesh	ARO	krajesh[at]cwprs[dot]gov[dot]in	020-24103330
4	Shri M.V. Masal	A.E	masal[dot]mv[at]cwprs[dot]gov[dot]in	020-24103265
5	Shri K. Abhilash	D’man-I	k[dot]abhilash[at]cwprs[dot]gov[dot]in	020-24103330
6	Shri D.D. Mate	L.A.I	dhananjay.m@ cwprs.gov.in	020-24103238
7	Shri S.B. Pawar	L.A.I	pawar[dot]s[at]cwprs[dot]gov[dot]in	020-24103238
8	Shri Anil.D.Sangar	C'man	sangar[dot]anil[at]cwprs[dot]gov[dot]in	020-24103238
9	Shri D.Y. Damse	MTS	dasharathdamse[at]cwprs[dot]gov[dot]in	020-24103265
10	Shri V.G. Pawar	MTS	vishwanath[dot]gp[at]cwprs[dot]gov[dot]in	020-24103238
11	Shri L.B. Darwatkar	MTS	laxman[dot]bd[at]cwprs[dot]gov[dot]in	020-24103238