hi!
In watering, why when partially close the end of the hose, the water comes out with more speed? and how about pressure ?
Thank you.
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Posted 26 July 2017 - 01:29 AM
hi!
In watering, why when partially close the end of the hose, the water comes out with more speed? and how about pressure ?
Thank you.
Posted 26 July 2017 - 06:32 AM
Hi ,
Consider Bernoulli equation to understand the problem . The pressure at the outlet is the atmospherical pressure.
Breizh
Posted 26 July 2017 - 09:02 AM
And the flow is reduced, too. The main cause is the reduced area resulting a higher pressure and in greater velocity through the exit. That greater pressure is converted to the stream kinetic energy, just as Bernoulli says.
Bobby
Posted 26 July 2017 - 09:15 AM
Yes , the pressure is high in the reduced section ? because when the velocity is high the pressure decrease . In the outlet of hose the pressure (atmospheric pressure) is less then pressure in the hose .
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