A hot-water stream at 90 °C enters an insulated mixing chamber with a mass flow rate of mh=0.75 kg/s where it is mixed with a stream of cold water at 25°℃ in a steady state steady flow process. It is desired that the mixture leaves the chamber at 45°C as shown in the Figure Hot water P₁=300 kPa T₁=90°C m=0.75 kg/s Cold water P: 300 kPa T:=25C m=? 2 Mixing Chamber 3 Mixed warm water Ps=300 kPa T3=45°C m3 For Question 1: The specific enthalpy of the hot water, h1, in kJ/kg is

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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D Question 1
Use this figure for Questions 1 to 5.
A hot-water stream at 90 °℃ enters an
insulated mixing chamber with a mass
flow rate of mh=0.75 kg/s where it is
mixed with a stream of cold water at
25°℃ in a steady state steady flow
process. It is desired that the mixture
leaves the chamber at 45°℃ as shown in
the Figure
Hot water
P₁=300 kPa
T₁=90°C
m=0.75 kg/s
Cold water
P-300 kPa
T: 25%
m=?
1
2
Mixing
Chamber
Mixed warm water
Ps-300 kPa
T=45°C
m3
For Question 1: The specific enthalpy of
the hot water, h1, in kJ/kg is
Transcribed Image Text:D Question 1 Use this figure for Questions 1 to 5. A hot-water stream at 90 °℃ enters an insulated mixing chamber with a mass flow rate of mh=0.75 kg/s where it is mixed with a stream of cold water at 25°℃ in a steady state steady flow process. It is desired that the mixture leaves the chamber at 45°℃ as shown in the Figure Hot water P₁=300 kPa T₁=90°C m=0.75 kg/s Cold water P-300 kPa T: 25% m=? 1 2 Mixing Chamber Mixed warm water Ps-300 kPa T=45°C m3 For Question 1: The specific enthalpy of the hot water, h1, in kJ/kg is
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