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Diffstat (limited to '172/CH9/EX9.3/ex3.sce')
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1 files changed, 8 insertions, 0 deletions
diff --git a/172/CH9/EX9.3/ex3.sce b/172/CH9/EX9.3/ex3.sce new file mode 100755 index 000000000..2b6c3f410 --- /dev/null +++ b/172/CH9/EX9.3/ex3.sce @@ -0,0 +1,8 @@ +//example 3
+//violation of second law
+clear
+clc
+disp('from R-134a tables')
+se=1.7148 //specific entropy in final state in kJ/kg-K
+si=1.7395 //initial specific entropy in kJ/kg-K
+disp('therefore,se<si,whereas for this process the second law requires that se>=si.The process described involves a violation of the second law and thus would be impossible.')
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