Bernoulli. Water is siphoned from a large tank filled to a depth of 3m using a tube (Dr=0.6 cm) with a converging nozzle (DN = 0.3 cm) at the end. If the tube exit is 1 m below the tank bottom, as shown. (a) What is the maximum siphon height above the water level, hmax, to avoid cavitation in the tube; (b) what is the flow rate at this height? (c) What is the gage pressure in the tube, just upstream of the nozzle, PgA? Assume the vapor pressure of water is PV = 3kPa. Ans OM: (a) 10⁰ m; (b) 105 m³/s; (c) 10¹ kPa 3m Du મહા
Bernoulli. Water is siphoned from a large tank filled to a depth of 3m using a tube (Dr=0.6 cm) with a converging nozzle (DN = 0.3 cm) at the end. If the tube exit is 1 m below the tank bottom, as shown. (a) What is the maximum siphon height above the water level, hmax, to avoid cavitation in the tube; (b) what is the flow rate at this height? (c) What is the gage pressure in the tube, just upstream of the nozzle, PgA? Assume the vapor pressure of water is PV = 3kPa. Ans OM: (a) 10⁰ m; (b) 105 m³/s; (c) 10¹ kPa 3m Du મહા
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Patm = 10^5, P(water) = 1000 kg/m^3 ; Pair = 1.2 kg/m^3 ; g = 9.8m/s^2
gage pressure Pg = P - Patm
Transcribed Image Text:Bernoulli. Water is siphoned from a large tank filled to a depth of 3m using a
tube (DT=0.6 cm) with a converging nozzle (DN = 0.3 cm) at the end. If the
tube exit is 1 m below the tank bottom, as shown. (a) What is the maximum
siphon height above the water level, hmax, to avoid cavitation in the tube; (b)
what is the flow rate at this height? (c) What is the gage pressure in the tube,
just upstream of the nozzle, PgA? Assume the vapor pressure of water is PV =
3kPa. Ans OM: (a) 10⁰ m; (b) 105 m³/s; (c) 10¹ kPa
3m
2
De
34
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