Visvesvaraya Technological University Belgaum, Karnataka, India
Bachelor of Engineering
Class notes
TURBINES
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Bachelor of Engineering
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Visvesvaraya Technological University Belgaum, Karnataka, India
Hello all.....Here I am providing my hand written notes of TURBINES for Engineering 1st year students. This topic belongs to a subject of ELEMENTS OF MECHANICAL ENGINEERING. This is a class notes and it is sufficient for exam preparation also. This notes cover topics of Turbine and it's classificat...
Visvesvaraya Technological University Belgaum, Karnataka, India
Bachelor of Engineering
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elAsSMAte
lURBINES Date
Page
OrDLne-tis a prime mover which Converts the avaLlable
natra Ource e enerqy into mechanical energy
omfon
drive the ether machines
Classification of Turbines-
TURBINE
Steam Turbine as Tutbine Water Turbine
open cycte Ctosed cycte
Impulse Turbine
(De Laval tur:) Reaction
Turbine Rea ction tur.
Impulse tur
TParson'S (Pelton wheel) (Francr's turbine
Turbtne)
Kablan turbtne)
Steam Turbine It is detined aj a pa2me mover in uohich the
heat energy e the Ateam is troansformed irto mechantcal
enerq directly a the orm ototay motion
t i s wed t dive the electere qenetators in thermal
poue planta to generate electric power.
Jt i alsa used te diive the unitor m sbeed machines like
centitugal gas Comprescors, teztile and Augar industty
machineries. etc
, Date
SMAA
Poge
Expansion e taam in the Nozzle
Entry Exit
Thrpoct
High presSure Low peSSure
tow velocity high veloty jet s
3team Expanst on tn no zz le stream
hesteam at bigh ptessure and lour veleaty enters u
nozzle,
IEtsteam) Pasees betuween the entry and the throat and
expands te a lou pressure.
As there is n8 external worK done ond heat trarter n the
nozzlethen the loss ln enthalpy Steam mt be equal fo
the increasen velouty eAteam
Jheretore a jet stean at high velociky corn e uf
throai section e the mozzle
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