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AH-516: Hydro Mechanical Equipment

 

Credits : 4

Contact Hours: Lecture : 3  Tutorial : 1  Practical : 2 per alternate

Classification and working principles of hydro turbines, different components of impulse and reaction turbines; Design concepts of hydro turbines, pump-as-turbine and other non-conventional hydro turbines; Characteristics of hydro turbines, geometric similarity, main characteristic and operating characteristic curves, hill curves; Governing of hydro turbines, mechanical and electro-mechanical governors, electronic load controller, mechanical drives, gear box, pulleys ; Selection of hydro turbines based on specific speed and their optimal selection; Classification, components and selection of gates and valves; Model testing of hydro turbines, performance testing of turbines at site; Causes and impact of cavitation, silt erosion and their combined effect on operation of hydro turbines; Erection, commissioning, operation and maintenance of turbines;

List of Practicals :

i.  To measure the flow by different techniques
ii. To measure the efficiency of Pelton, Francis and axial (Kaplan) turbines

Suggested Books :

i.    Mosonyi, E., “Water Power Development”, Vol. I and II, Nem Chand and Brothers.
ii.   Nigam, P.S., “Handbook of Hydroelectric Engineering”, Nem Chand and Brothers.
iii.  Lal, J., “Hydraulic Mechines”, 3rd edition (reprint), Metropolitan Book Co. Private Limited.
iv.   National and International Standards.
v.   Brown, G., “Hydro-electric Engineering Practice”, Vol. II, CBS Publication