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Diffstat (limited to '3826/CH3/EX3.17/Ex3_17.sce')
| -rw-r--r-- | 3826/CH3/EX3.17/Ex3_17.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3826/CH3/EX3.17/Ex3_17.sce b/3826/CH3/EX3.17/Ex3_17.sce new file mode 100644 index 000000000..5ec0d3a40 --- /dev/null +++ b/3826/CH3/EX3.17/Ex3_17.sce @@ -0,0 +1,18 @@ +//the examples are continuously numbered throughout the textbook
+//Example 3_17 page no:219
+clc;
+//given
+spc_heat = 393.6;//in Jkg^-1C^-1
+lat_heat = 163 * 10^3;// in J/kg
+melting_pt = 920;//in C
+eff = 70;//in percentage
+mass = 500;//in kg
+cold_temp = 20;//in C
+heat_req_rise_temp = mass * spc_heat *(melting_pt - cold_temp);
+heat_req_melt_charge = mass * lat_heat;
+tot_joules_req = heat_req_rise_temp+heat_req_melt_charge;
+tot_energy = tot_joules_req * 2.78 * 10 ^ -7;//converting to kwh
+energy_input = tot_energy *100/eff;
+power_input = energy_input/0.75;
+disp(power_input,"the average power input to the furnace is (in kW)");
+
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