Water vapor enters with a continuous flow adiabatic turbine, 3MPa press, 400 oC temperature and 90 m3 / min volumetric flow rate. Some of the steam comes out of the turbine at a pressure of 0.5 MPa and a temperature of 200 oC. The remainder is abandoned in the 5 kPa pressure and 90% composition registration system. Calculate the mass flow rate at the outlet no. 2 by neglecting the kinetic and potential energies according to the total power generated in the turbine 5 MW.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Question 1)Water vapor enters with a continuous flow adiabatic turbine, 3MPa press, 400 oC temperature and 90 m3 / min volumetric flow rate. Some of the steam comes out of the turbine at a pressure of 0.5 MPa and a temperature of 200 oC. The remainder is abandoned in the 5 kPa pressure and 90% composition registration system. Calculate the mass flow rate at the outlet no. 2 by neglecting the kinetic and potential energies according to the total power generated in the turbine 5 MW.

Question 2)Bir evin çatısına yerleştirilmiş güneş panelinin üzerine 2.5 kW’lık güneş enerjisi gelmektedir. Gelen bu enerjinin %25’i çevreye kaybedilmekte, kalan enerji ise güneş paneli içerisinden geçen suyun sıcaklığını 30 oC’den 60 oC’ye çıkarmak için kullanılmaktadır. Sürekli çalışma koşulları altında, su sıcaklığındaki istenen artışın sağlanabilmesi için güneş paneli içerisinden saatte kaç litre su geçmesi gerektiğini belirleyiniz. Suyun yoğunluğunu 1000 kg/m3 olarak alabilirsiniz. Ayrıca, güneş paneli içerisinden akan suyun basınç kaybını, kinetik ve potansiyel enerji değişimlerini ihmal ediniz.

Q = 2.5 kW
>T2 = 60 ®
25%
loss
T = 30 °C
Transcribed Image Text:Q = 2.5 kW >T2 = 60 ® 25% loss T = 30 °C
W; = 5 MW
P = 3 MPa
T, = 400 °C
(VA), = 90 m³/dk
Turbine
P3 = 5 kPa
2.
X3 = 0.9
P2 = 0.5 MPa
T, = 200 °C
Transcribed Image Text:W; = 5 MW P = 3 MPa T, = 400 °C (VA), = 90 m³/dk Turbine P3 = 5 kPa 2. X3 = 0.9 P2 = 0.5 MPa T, = 200 °C
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