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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/EX14.27 | |
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initial commit / add all books
Diffstat (limited to '551/CH14/EX14.27')
| -rwxr-xr-x | 551/CH14/EX14.27/27.sce | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/551/CH14/EX14.27/27.sce b/551/CH14/EX14.27/27.sce new file mode 100755 index 000000000..c3db653fc --- /dev/null +++ b/551/CH14/EX14.27/27.sce @@ -0,0 +1,49 @@ +clc
+h2=615; //kJ/kg
+h3=664; //kJ/kg
+h4=446; //kJ/kg
+h1=h4;
+v2=0.14; //m^3/kg
+capacity=20; //tonnes
+n=6; //number of cylinder
+
+disp("(i) Refrigerating effect per kg =")
+RE=h2-h1;
+disp(RE)
+disp("kJ/kg")
+
+disp("(ii) Mass of refrigerant to be circulated per minute =")
+m=capacity*14000/RE/60;
+disp(m)
+disp("kg/min")
+
+disp("(iii) Theoretical piston displacement =")
+v=v2*m;
+disp(v)
+disp("m^3/min")
+
+disp("(iv) Theoretical power =")
+P=m/60*(h3-h2);
+disp(P)
+disp("kW")
+
+disp("(v)COP =")
+COP=(h2-h1)/(h3-h2);
+disp(COP)
+
+disp("(vi) Heat removed through the condenser =")
+Q=m*(h3-h4);
+disp(Q)
+disp("kJ/min")
+
+disp("(vii) Theoretical displacement per minute per cylinder")
+
+d=(v/n*4/%pi/950)^(1/3)*1000;
+disp("Diameter of cylinder =")
+disp(d)
+disp("mm")
+
+l=d;
+disp("Stroke length =")
+disp(l)
+disp("mm")
\ No newline at end of file |