Are any pure impulse or pure reaction turbines are existing in our world?

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Are any pure impulse or pure reaction turbines are existing
in our world?

Question Posted / kumar

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Are any pure impulse or pure reaction turbines are existing in our world?..

Answer / roopa

no...

Is This Answer Correct ?

4 Yes

4 No

Are any pure impulse or pure reaction turbines are existing in our world?..

Answer / pushkar

Pelton Wheel is a pure impulse turbine.
ANd the Leonardo de vinci model of impulse turbine is a
pure reaction turbine.
refer following site
http://www.gec.ac.in/~bsm/basicengg/bme.html

Is This Answer Correct ?

2 Yes

2 No

Are any pure impulse or pure reaction turbines are existing in our world?..

Answer / er.maninder

De-Lavel turbine is a pure impulse turbine. And no pure
reaction turbine exists.
Parsons turbine is 50%reaction turbine.

Is This Answer Correct ?

3 Yes

3 No

Are any pure impulse or pure reaction turbines are existing in our world?..

Answer / siranjeevi

The enthalpy drop in reaction turbine is less and so large number of stages are required which increases the length of shaft and may bend in lateral direction which adds to additional deflection due to rotation. And pure impulse is not possible owing to high speed of the turbine. So it should be a combination of impulse and reaction stage

Is This Answer Correct ?

0 Yes

0 No

Are any pure impulse or pure reaction turbines are existing in our world?..

Answer / kumar

hi friend roopa

can u givde the reason to this non existing.

Is This Answer Correct ?

2 Yes

3 No

Are any pure impulse or pure reaction turbines are existing in our world?..

Answer / venkatesh

The first stage is always an impulse stage, be it any turbine