diff options
Diffstat (limited to '2510/CH28')
| -rwxr-xr-x | 2510/CH28/EX28.11/Ex28_11.sce | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/2510/CH28/EX28.11/Ex28_11.sce b/2510/CH28/EX28.11/Ex28_11.sce new file mode 100755 index 000000000..5136800b1 --- /dev/null +++ b/2510/CH28/EX28.11/Ex28_11.sce @@ -0,0 +1,53 @@ +//Variable declaration: +//From table 28.3: +//For stream 1 to be heated: +hm1 = 50000 //Mass flowrate (lb/h) +hcP1 = 0.65 //Heat capacity (Btu/lb. F) +hTi1 = 70 //Inlet temperature ( F) +hTo1 = 300 //Outlet temperature ( F) +//For stream 2 to be heated: +hm2 = 60000 //Mass flowrate (lb/h) +hcP2 = 0.58 //Heat capacity (Btu/lb. F) +hTi2 = 120 //Inlet temperature ( F) +hTo2 = 310 //Outlet temperature ( F) +//For stream 3 to be heated: +hm3 = 80000 //Mass flowrate (lb/h) +hcP3 = 0.78 //Heat capacity (Btu/lb. F) +hTi3 = 90 //Inlet temperature ( F) +hTo3 = 250 //Outlet temperature ( F) +//From table 28.4: +//For stream 1 to be cooled: +cm1 = 60000 //Mass flowrate (lb/h) +ccP1 = 0.70 //Heat capacity (Btu/lb. F) +cTi1 = 420 //Inlet temperature ( F) +cTo1 = 120 //Outlet temperature ( F) +//For stream 2 to be cooled: +cm2 = 40000 //Mass flowrate (lb/h) +ccP2 = 0.52 //Heat capacity (Btu/lb. F) +cTi2 = 300 //Inlet temperature ( F) +cTo2 = 100 //Outlet temperature ( F) +//For stream 3 to be cooled: +cm3 = 35000 //Mass flowrate (lb/h) +ccP3 = 0.60 //Heat capacity (Btu/lb. F) +cTi3 = 240 //Inlet temperature ( F) +cTo3 = 90 //Outlet temperature ( F) + +//Calculation: +H1 = hm1*hcP1*(hTo1-hTi1) //Heating duty for stream 1 (Btu/h) +H2 = hm2*hcP2*(hTo2-hTi2) //Heating duty for stream 2 (Btu/h) +H3 = hm3*hcP3*(hTo3-hTi3) //Heating duty for stream 1 (Btu/h) +H = H1+H2+H3 //Total heating duty (Btu/h) +C1 = cm1*ccP1*(cTi1-cTo1) //Cooling duty for stream 1 (Btu/h) +C2 = cm2*ccP2*(cTi2-cTo2) //Cooling duty for stream 2 (Btu/h) +C3 = cm3*ccP3*(cTi3-cTo3) //Cooling duty for stream 1 (Btu/h) +C = C1+C2+C3 //Total Cooling duty (Btu/h) + +//Result: +printf("Table: Duty Requirements.") +printf("Stream Duty, Btu/h") +printf("1 %.0f",H1) +printf("2 %.0f",H2) +printf("3 %.0f",H3) +printf("4 %.0f",C1) +printf("5 %.0f",C2) +printf("6 %.0f",C3) |