Q1:Air enters a diffuser at 200 m/swith a pressure of 80 kPa and atemperature of -20°C. It leaves witha velocity of 15 m/s at anatmospheric pressure of 95 kPa. Ifthe inlet diameter is 100 mm,determine : 1- the enters density is :Take R= 0.287 *A - 1.101 m3/kgB - 1.102 m3/kgC- 1.103 m3/kgD- 1.104 m3/kg2- mass flow rate is *O A: 4.73B: 3.73C: 2.73O D: 1.73

To find Enters density mass flow rate

Answered: 2- mass flow rate is

Engineering

Mechanical Engineering

2- mass flow rate is

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.32P

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Question

Q1:Air enters a diffuser at 200 m/s
with a pressure of 80 kPa and a
temperature of -20°C. It leaves with
a velocity of 15 m/s at an
atmospheric pressure of 95 kPa. If
the inlet diameter is 100 mm,
determine : 1- the enters density is :
Take R= 0.287 *
A - 1.101 m3/kg
B - 1.102 m3/kg
C- 1.103 m3/kg
D- 1.104 m3/kg
2- mass flow rate is *
O A: 4.73
B: 3.73
C: 2.73
O D: 1.73

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