m S Steam is accelerated in a nozzle from a velocity of 80 to an unknown outlet velocity. The area at the inlet to the nozzle is A₁ = 50 cm². The temperature and pressure at the inlet to the nozzle are T₁ = 400°C and P₁ = 50 bar, respectively, and the outlet temperature and pressure are T₂ = 300°C and P2 = 20 bar, respectively. During the steady-state flow, heat is lost from the nozzle walls at a rate of 120 kW. For the nozzle: vel₁ = 80 m A₁ = 50 cm² T₁ = 400 °C P₁ = 50 bar Qout= = 120 kW a) Determine the mass flow rate of the steam entering the nozzle, in units of [] b) Determine the velocity at the outlet of the nozzle, in units of [m/s] c) Determine the area at the outlet of the nozzle, in units of [cm²] P2 = 20 bar T₂ = 300 °C
m S Steam is accelerated in a nozzle from a velocity of 80 to an unknown outlet velocity. The area at the inlet to the nozzle is A₁ = 50 cm². The temperature and pressure at the inlet to the nozzle are T₁ = 400°C and P₁ = 50 bar, respectively, and the outlet temperature and pressure are T₂ = 300°C and P2 = 20 bar, respectively. During the steady-state flow, heat is lost from the nozzle walls at a rate of 120 kW. For the nozzle: vel₁ = 80 m A₁ = 50 cm² T₁ = 400 °C P₁ = 50 bar Qout= = 120 kW a) Determine the mass flow rate of the steam entering the nozzle, in units of [] b) Determine the velocity at the outlet of the nozzle, in units of [m/s] c) Determine the area at the outlet of the nozzle, in units of [cm²] P2 = 20 bar T₂ = 300 °C
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
![Steam is accelerated in a nozzle from a
velocity of 80 to an unknown outlet velocity.
S
=
The area at the inlet to the nozzle is A₁
50 cm². The temperature and pressure at the
inlet to the nozzle are T₁ = 400°C and p₁ =
50 bar, respectively, and the outlet
temperature and pressure are T₂ = 300°C and
Qout = 120 kW
P2
= 20 bar, respectively. During the steady-state flow, heat is lost from the nozzle walls at a rate of 120
kW. For the nozzle:
1
2
400
300
a) Determine the mass flow rate of the steam entering the nozzle, in units of []
b)
Determine the velocity at the outlet of the nozzle, in units of [m/s]
c) Determine the area at the outlet of the nozzle, in units of [cm²]
State
T, °C
P, bar
60
20
V,
m
3
kg
0.04739
0.1308
m
vel₁ 80-
S
A₁ = 50 cm²
T₁ = 400 °C
P₁ = 50 bar
kJ
kg
kg
2892.9
3177.2
2807.9 3069.5
U,
kJ
—
1
h,
(2)
P2 = 20 bar
T2 = 300 °C](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fee563bfe-badf-4a9d-9a7e-d47066dc4e0e%2Ff1ea718e-68ae-4d51-9f6d-1cf29da314ef%2Fjdhu4vd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Steam is accelerated in a nozzle from a
velocity of 80 to an unknown outlet velocity.
S
=
The area at the inlet to the nozzle is A₁
50 cm². The temperature and pressure at the
inlet to the nozzle are T₁ = 400°C and p₁ =
50 bar, respectively, and the outlet
temperature and pressure are T₂ = 300°C and
Qout = 120 kW
P2
= 20 bar, respectively. During the steady-state flow, heat is lost from the nozzle walls at a rate of 120
kW. For the nozzle:
1
2
400
300
a) Determine the mass flow rate of the steam entering the nozzle, in units of []
b)
Determine the velocity at the outlet of the nozzle, in units of [m/s]
c) Determine the area at the outlet of the nozzle, in units of [cm²]
State
T, °C
P, bar
60
20
V,
m
3
kg
0.04739
0.1308
m
vel₁ 80-
S
A₁ = 50 cm²
T₁ = 400 °C
P₁ = 50 bar
kJ
kg
kg
2892.9
3177.2
2807.9 3069.5
U,
kJ
—
1
h,
(2)
P2 = 20 bar
T2 = 300 °C
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