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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /551/CH14/EX14.7 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '551/CH14/EX14.7')
| -rwxr-xr-x | 551/CH14/EX14.7/7.sce | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/551/CH14/EX14.7/7.sce b/551/CH14/EX14.7/7.sce new file mode 100755 index 000000000..cb7ab1852 --- /dev/null +++ b/551/CH14/EX14.7/7.sce @@ -0,0 +1,33 @@ +clc
+cp1=1.25; //kJ/kg 0C
+cp2=2.93; //kJ/kg 0C
+L=232; //kJ/kg
+T1=-3; //0C
+T2=-8; //0C
+T3=25; //0C
+
+Q1=cp2*(T3-T1) + L + cp1*(T1-T2); //Heat removed in 8 hours from each kg of fish
+
+Q=Q1*20*1000/8; //Heat removed by the plant /min
+
+disp("(i) Capacity of the refrigerating plant =")
+capacity=Q/14000; //tonnes
+disp(capacity)
+disp("tonnes")
+
+disp("(ii) Carnot cycle C.O.P. between this temperature range.")
+T1=298; //K
+T2=265; //K
+
+COP=T2/(T1-T2);
+disp("COP of reversed carnot cycle =")
+disp(COP)
+
+
+disp("(iii) Power required")
+COP_actual=1/3*COP;
+
+W=Q/COP_actual/3600; //kJ/s
+disp("Power =")
+disp(W)
+disp("kW")
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