1. In a reheat Rankine cycle, the steam throttled condition is 8 MPa and 480 °C. The steam is then reheated to 2 MPa and 460 °C. If turbine exhaust is 60 °C, determine the following: a. Heat Added in BTU/lb b. Heat Rejected in BTU/lb

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1.
Use these values when necessary:
1 kg 2.205 lb
°C to K (use + 273.15)
1 bar
100 kPa
1 atm
101.325 kPa
1 BTU
1.055 kJ 778 ft-lb
1 HP 0.746 kW 2545 BTU/hr
:
h
8 MPa and 480 °C
82 MPa
:
h
:
h
2 MPa and 460 °C
@60°C
:
Prat
he
hfg
St
Sig
V₂
3348.4 kJ/kg;
2963.145 kJ/kg
3379.5 kJ/kg;
-0.019940 MPa
- 251.13 kJ/kg
- 2358.5 kJ/kg
s 6.6586 kJ/kg - K
s 7.3147 kJ/kg - K
0.8312 kJ/kg - K
7.0784 kJ/kg - K
0.0010172 m³/kg
Transcribed Image Text:Use these values when necessary: 1 kg 2.205 lb °C to K (use + 273.15) 1 bar 100 kPa 1 atm 101.325 kPa 1 BTU 1.055 kJ 778 ft-lb 1 HP 0.746 kW 2545 BTU/hr : h 8 MPa and 480 °C 82 MPa : h : h 2 MPa and 460 °C @60°C : Prat he hfg St Sig V₂ 3348.4 kJ/kg; 2963.145 kJ/kg 3379.5 kJ/kg; -0.019940 MPa - 251.13 kJ/kg - 2358.5 kJ/kg s 6.6586 kJ/kg - K s 7.3147 kJ/kg - K 0.8312 kJ/kg - K 7.0784 kJ/kg - K 0.0010172 m³/kg
1. In a reheat Rankine cycle, the steam throttled condition is 8 MPa and 480 °C. The
steam is then reheated to 2 MPa and 460 °C. If turbine exhaust is 60 °C, determine the
following:
a. Heat Added in BTU/lb
b. Heat Rejected in BTU/lb
Transcribed Image Text:1. In a reheat Rankine cycle, the steam throttled condition is 8 MPa and 480 °C. The steam is then reheated to 2 MPa and 460 °C. If turbine exhaust is 60 °C, determine the following: a. Heat Added in BTU/lb b. Heat Rejected in BTU/lb
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