From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3685/CH8/EX8.2/Ex8_2.sce | 19 +++++++++++++++++++ 3685/CH8/EX8.2/Ex8_2.txt | 3 +++ 2 files changed, 22 insertions(+) create mode 100644 3685/CH8/EX8.2/Ex8_2.sce create mode 100644 3685/CH8/EX8.2/Ex8_2.txt (limited to '3685/CH8/EX8.2') diff --git a/3685/CH8/EX8.2/Ex8_2.sce b/3685/CH8/EX8.2/Ex8_2.sce new file mode 100644 index 000000000..c8d2a4cd9 --- /dev/null +++ b/3685/CH8/EX8.2/Ex8_2.sce @@ -0,0 +1,19 @@ + +clc +lhw = 1858.5 // Latent heat of water in kJ/kg +Tew = 220 // Water evaporation temperature in degree Celsius + +Tig = 1100 // Initial temperature of the gas in degree Celsius +Tfg = 550 // Final temperature of the gas in degree Celsius +T0 = 303 // Atmospheric temperature in degree Celsius +Tg2 = 823 +Tg1 = 1373 +printf("\n Example 8.2") +Sw = lhw/(Tew+273) // Entropy generation in water +Sg = integrate('3.38/T','T',Tg1,Tg2) +St = Sg+Sw +printf("\n Total change in entropy is %f kJ/K",St) + +printf("\n Increase in unavailable energy is %d kJ",T0*St) +//The answers vary due to round off error + diff --git a/3685/CH8/EX8.2/Ex8_2.txt b/3685/CH8/EX8.2/Ex8_2.txt new file mode 100644 index 000000000..1775d33a0 --- /dev/null +++ b/3685/CH8/EX8.2/Ex8_2.txt @@ -0,0 +1,3 @@ + Example 8.2 + Total change in entropy is 2.039902 kJ/K + Increase in unavailable energy is 618 kJ \ No newline at end of file -- cgit