JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
II Year B.Tech. CE. IISem L T/P/D C
4  / / 4
(A40111) HYDRAULICS AND HYDRAULIC MACHINERY
UNIT  I
Open Channel Flow: Types of flows  Types of channels  Velocity distribution  Energy and momentum correction factors  Chezy's, Mannings's, and Bazin formulae for uniform flow  Most Economical sections. Critical flow: Specific energycritical deth  computation of crirtical depth  crirtical sub  critical and super critical flows.
Non uniform flow  Dynamic equation for G.V.F., Mild, Critical, Steep, horizontal and adverse slopessurface profilesdirect step method Rapidly varied flow, hydraulic jump, energy dissipation.
UNIT  II
Dimensional Analysis and Similitude: Dimensional analysisRayleigh's method and Buckingham's pi theoremstudy of Hydraulic models  Geometric, kinematic and dynamic similaritiesdimensionless numbers  model and prototype relations.
UNIT  III
Hydrodynamic Force on Jets: Hydrodynamic force of jets on stationary and moving flat, inclined and curved vanes, jet striking cenrally and at tip, velocity triangles at inlet and outloet, expressions for work done and efficiency Angular momentum principle, Applications to radial flow turbines. Layout of a typical Hydropower installation  Heads and efficiencies.
UNIT  IV
Hydraulic Turbines: Classification of turbinespelton wheelFrancis turbineKaplan turbineworking, working proportions, velocity diagram, work done and efficiency, hydraulic design, draft tube  theory and function efficiency.
Governing of turbinessurge tanksunit and specific turbinesunit speedunit quantityunit powerspecific speed performance characteristicsgeometric similaritycavitation.
UNIT  V
CentrifugalPumps: Pump installation detailsclassificationwork doneManometric headminimum starting speedlosses and efficienciesspecific speed, multistage pumpspumps in parallel performance of pumps characteristic curves NPSHcavitation.
Classification of Hydropower plants  Definition of terms  load factor, utilization factor, capacity factor, estimation of hydropower potential.
TEXT BOOKS:
 Open Channel flow by K.Subramanya. Tata Mc.Graw Hill Publishers.
 Fluid Mechanics, Hydraulic and Hydraulic Machines by Modi & Seth, Standard book house.
 Fluid Mechanics & Fluid machines by Narayana pillai, Universities press.
REFERENCES:
 Fluid Mechanics and Machinary, CSP OJHA, Oxford University Press
 Elements of Open channel floe by Ranga Raju, Tata McGraw Hill, Pulications.
 Fluid mechanics and fluid machines by Rajput, S.Chand & Co.
 Open Channel flow by V.T.Chow, McGraw Hill book company.
 Fluid Mechanics and Machinery by D.Ramdurgaia New Age Publications.
 Mechanics of Fluids by Merle C.Potter, David C.Wiggert, Bassem H.Ramadan, Cengage Learning.

CreatedDec 31, 2014

UpdatedOct 18, 2021

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