diff options
Diffstat (limited to '2969/CH2')
| -rwxr-xr-x | 2969/CH2/EX2.1/Ex2_1.sce | 24 | ||||
| -rwxr-xr-x | 2969/CH2/EX2.2/Ex2_2.sce | 27 |
2 files changed, 51 insertions, 0 deletions
diff --git a/2969/CH2/EX2.1/Ex2_1.sce b/2969/CH2/EX2.1/Ex2_1.sce new file mode 100755 index 000000000..73952824f --- /dev/null +++ b/2969/CH2/EX2.1/Ex2_1.sce @@ -0,0 +1,24 @@ +clc
+clear
+//DATA GIVEN
+c=88; //% of carbon in coal
+h=4.2; //% of hydrogen in coal
+Wf=0.848; //weight of coal in g
+Wfw=0.027; //weight of fuse wire in calorimeter in g
+W=1950; //weight of water in calorimeter in g
+We=380; //water equivalent of calorimeter
+Dt=3.06; //observed temperature rise (t2-t1) in deg celsius
+tc=0.017; //cooling correction in deg celsius
+cfw=6700; //calorific value of fuse wire in J/g
+
+//CALCULATIONS
+ctr=(Dt)+tc; //corrected temp. rise
+Hw=(W+We)*4.18*[ctr]; //heat recieved by water in J
+Hfw=Wfw*cfw; //heat given out by fuse wire in J
+Hcf=Hw-Hfw; //heat produced due to combustion of fuel in J
+HCV=Hcf/Wf; //higher calorific value of fuel in kJ/kg
+Ms=9*h/100; //steam produced per kg of coal
+LCV=HCV-2465*Ms; //lower calorific value of fuel in kJ/kg
+
+printf('The Higher calorific value of fuel, H.C.V. is: %5.1f kJ/kg. \n',HCV);
+printf(' The Lower calorific value of fuel, L.C.V. is: %5.1f kJ/kg. \n',LCV);
diff --git a/2969/CH2/EX2.2/Ex2_2.sce b/2969/CH2/EX2.2/Ex2_2.sce new file mode 100755 index 000000000..a06563e31 --- /dev/null +++ b/2969/CH2/EX2.2/Ex2_2.sce @@ -0,0 +1,27 @@ +clc
+clear
+//DATA GIVEN
+V1=0.08; //gas burnt in calorimeter in m^3
+Pg=5.2; //pressure of gas supply in cm of water
+Pb=75.5; //barometer reading in cm of Hg
+Ww=28; //weight of water heated by gas in kg
+Tg=13; //temperature of gas in deg celsius
+Twi=10; //temperature of water at inlet in deg celsius
+Two=23.5; //temperature of water at outlet in deg celsius
+Ms=0.06; //steam condensed in kg
+
+//CALCULATIONS
+//by using general gas equation, reducing the volume to S.T.P.
+//p1*V1/T1=p2*V2/T2
+p1=Pb+(Pg/13.6); //in cm of Hg
+T1=Tg+273; //in K
+p2=76; //in cm of Hg
+T2=15+273; //in K
+V2=p1*V1*T2/T1/p2; //in m^3
+Hw=Ww*4.18*(Two-Twi); //heat recieved by water in kJ
+HCV=Hw/V1; //higher calorific value of fuel in kJ/m^3
+LCV=HCV-2465*Ms/V1; //lower calorific value of fuel in kJ/m^3
+
+printf(' The Calorific values of fuel per m^3 of gas at 15 deg celsius and 76 cm of Hg pressure are: \n');
+printf(' The Higher calorific value of fuel, H.C.V. is: %5.1f kJ/m^3. \n',HCV);
+printf(' The Lower calorific value of fuel, L.C.V. is: %5.1f kJ/m^3. \n',LCV);
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