1. Steam is supplied to a fully loaded 100 hp turbine at 200 psia with u, = 1160 BTU/b, v, = 2.6 ft/b and v1 = 380 ft/s. Exhaust is at 1.1 psia with u: = 900 BTU lb., v2 = 1200 ft/s. The heat loss from the steam in the turbine is 10.5 BTU.lb. Neglect the potential energy change and determine: a. the work per lIb steam b. the steam flow rate in Ib/hour
1. Steam is supplied to a fully loaded 100 hp turbine at 200 psia with u, = 1160 BTU/b, v, = 2.6 ft/b and v1 = 380 ft/s. Exhaust is at 1.1 psia with u: = 900 BTU lb., v2 = 1200 ft/s. The heat loss from the steam in the turbine is 10.5 BTU.lb. Neglect the potential energy change and determine: a. the work per lIb steam b. the steam flow rate in Ib/hour
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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Transcribed Image Text:1. Steam is supplied to a fully loaded 100 hp turbine at 200 psia with u, = 1160
BTU/lb, v, = 2.6 ft/lb and v1 = 380 ft/s. Exhaust is at 1.1 psia with uz = 900 BTU
lb., v2 = 1200 ft/s. The heat loss from the steam in the turbine is 10.5 BTU.lb.
Neglect the potential energy change and determine:
a. the work per Ib steam
b. the steam flow rate in Ib/hour
2. An ideal gas (R = 2,075 J/kg K and k = 1.659) goes through a reversible
constant pressure process where 525 kJ o heat are added to 2.3 kg of the gas.
The initial temperature of the gas is 310 K. Compute for the following:
a. final temperature, T2
b. non-flow work Wn
c. change in entropy AS
d. flow work Assume AP = AK = 0)
3. A 3.6 kg. mass of air goes through an isothermal process with a temperature of
305 OK. The initial and final pressure of the air are 550 kPa and 135 kPa
respectively. Compute for:
a. steady flow work, Wf
b. non-flow work Wn
c. change in internal energy AU
d. Heat transferred, Q
e. change in entropy, AS
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