Two closed vessels of constant volume are connected by a valve. Container A contains 0.2 m' water at 400 kPa pressure and 80% dryness. In the B container, there is 0.5 m² of water at 200 kPa pressure and 250 °C. The valve opens and the water in the two containers becomes the same after a while. Assuming that the system has finally reached thermal equilibrium with the environment at 25 °C. a) Final pressure, b) Calculate the heat transfer during the phase change.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Solve correctly please. Two closed vessels of constant volume are connected by a valve. Container A contains 0.2 m' water at 400 kPa pressure and 80% dryness. In the B container, there is 0.5 m² of water at 200 kPa pressure and 250 °C. The valve opens and the water in the two containers becomes the same after a while. Assuming that the system has finally reached thermal equilibrium with the environment at 25 °C. a) Final pressure, b) Calculate the heat transfer during the phase change.
19-) Sabit hacimli iki kapalı kap bir vanayla birleştirilmiştir. A Kabında 400 kPa basınçta ve
% 80 kuruluk derecesinde 0.2 m³ su bulunmaktadır. B kabında ise 200 kPa basınç ve 250 °C
sıcaklıkta 0.5 m³ su bulunmaktadır. Vana açılmakta ve iki kap içindeki su bir süre sonra aynı
hale gelmektedir. Sistemin son halde 25 °C sıcaklıktaki çevreyle ısıl dengeye ulaştığını kabul
ederek.
a) Son haldeki basıncı,
b) Hal değişimi sırasındaki ısı geçişini hesaplayın.
400 kPa
200 kPa
Transcribed Image Text:19-) Sabit hacimli iki kapalı kap bir vanayla birleştirilmiştir. A Kabında 400 kPa basınçta ve % 80 kuruluk derecesinde 0.2 m³ su bulunmaktadır. B kabında ise 200 kPa basınç ve 250 °C sıcaklıkta 0.5 m³ su bulunmaktadır. Vana açılmakta ve iki kap içindeki su bir süre sonra aynı hale gelmektedir. Sistemin son halde 25 °C sıcaklıktaki çevreyle ısıl dengeye ulaştığını kabul ederek. a) Son haldeki basıncı, b) Hal değişimi sırasındaki ısı geçişini hesaplayın. 400 kPa 200 kPa
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