From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 2339/CH5/EX5.1.1/Ex5_1.sce | 27 +++++++++++++++++++++++++++ 2339/CH5/EX5.10.1/Ex5_10.sce | 21 +++++++++++++++++++++ 2339/CH5/EX5.11.1/Ex5_11.sce | 18 ++++++++++++++++++ 2339/CH5/EX5.12.1/Ex5_12.sce | 24 ++++++++++++++++++++++++ 2339/CH5/EX5.13.1/Ex5_13.sce | 24 ++++++++++++++++++++++++ 2339/CH5/EX5.14.1/Ex5_14.sce | 27 +++++++++++++++++++++++++++ 2339/CH5/EX5.15.1/Ex5_15.sce | 27 +++++++++++++++++++++++++++ 2339/CH5/EX5.16.1/Ex5_16.sce | 26 ++++++++++++++++++++++++++ 2339/CH5/EX5.17.1/Ex5_17.sce | 27 +++++++++++++++++++++++++++ 2339/CH5/EX5.18.1/Ex5_18.sce | 11 +++++++++++ 2339/CH5/EX5.19.1/Ex5_19.sce | 24 ++++++++++++++++++++++++ 2339/CH5/EX5.2.1/Ex5_2.sce | 25 +++++++++++++++++++++++++ 2339/CH5/EX5.3.1/Ex5_3.sce | 22 ++++++++++++++++++++++ 2339/CH5/EX5.4.1/Ex5_4.sce | 30 ++++++++++++++++++++++++++++++ 2339/CH5/EX5.5.1/Ex5_5.sce | 18 ++++++++++++++++++ 2339/CH5/EX5.6.1/Ex5_6.sce | 19 +++++++++++++++++++ 2339/CH5/EX5.7.1/Ex5_7.sce | 21 +++++++++++++++++++++ 2339/CH5/EX5.8.1/Ex5_8.sce | 23 +++++++++++++++++++++++ 2339/CH5/EX5.9.1/Ex5_9.sce | 23 +++++++++++++++++++++++ 19 files changed, 437 insertions(+) create mode 100755 2339/CH5/EX5.1.1/Ex5_1.sce create mode 100755 2339/CH5/EX5.10.1/Ex5_10.sce create mode 100755 2339/CH5/EX5.11.1/Ex5_11.sce create mode 100755 2339/CH5/EX5.12.1/Ex5_12.sce create mode 100755 2339/CH5/EX5.13.1/Ex5_13.sce create mode 100755 2339/CH5/EX5.14.1/Ex5_14.sce create mode 100755 2339/CH5/EX5.15.1/Ex5_15.sce create mode 100755 2339/CH5/EX5.16.1/Ex5_16.sce create mode 100755 2339/CH5/EX5.17.1/Ex5_17.sce create mode 100755 2339/CH5/EX5.18.1/Ex5_18.sce create mode 100755 2339/CH5/EX5.19.1/Ex5_19.sce create mode 100755 2339/CH5/EX5.2.1/Ex5_2.sce create mode 100755 2339/CH5/EX5.3.1/Ex5_3.sce create mode 100755 2339/CH5/EX5.4.1/Ex5_4.sce create mode 100755 2339/CH5/EX5.5.1/Ex5_5.sce create mode 100755 2339/CH5/EX5.6.1/Ex5_6.sce create mode 100755 2339/CH5/EX5.7.1/Ex5_7.sce create mode 100755 2339/CH5/EX5.8.1/Ex5_8.sce create mode 100755 2339/CH5/EX5.9.1/Ex5_9.sce (limited to '2339/CH5') diff --git a/2339/CH5/EX5.1.1/Ex5_1.sce b/2339/CH5/EX5.1.1/Ex5_1.sce new file mode 100755 index 000000000..c8dc96a30 --- /dev/null +++ b/2339/CH5/EX5.1.1/Ex5_1.sce @@ -0,0 +1,27 @@ +clc +clear + +Mf=1300; //in kg +Ma=13000; //in kg +P=7; //in bar +Cpw=4.187; //in kJ/kg K +CV=30000; //in kJ/kg +x=0.95; //Dryness Fraction +Tfw=40; //in C + +Hfw=Tfw*Cpw; + +//At 7 bar +Hf=697.2; //in kJ/kg +Hfg=2066.3; //in kJ/kg + +H=Hf+(x*Hfg); +Ms=Ma/Mf; + +Me=(Ms*(H-Hfw))/(2257); +printf('Equivalent evaporation: %3.2f kg/kg of coal',Me); +printf('\n'); + +Eff=100*(Ma*(H-Hfw))/(Mf*CV); +printf('Boiler Efficiency: %3.1f Percent',Eff); +printf('\n'); diff --git a/2339/CH5/EX5.10.1/Ex5_10.sce b/2339/CH5/EX5.10.1/Ex5_10.sce new file mode 100755 index 000000000..ba0d98e5a --- /dev/null +++ b/2339/CH5/EX5.10.1/Ex5_10.sce @@ -0,0 +1,21 @@ +clc +clear + +//At 10 bar pressure +Tsat=179.9; +Tsup=250; +Cps=2.1; //in kJ/kg K + +Hg=2778.1; //in kJ/kg +Ms=10; //in kg/kg of coal +Hsup=Hg+(Cps*(Tsup-Tsat)); + +Hfw=155; +Me=(Ms*(Hsup-Hfw))/2257; + +FOE=Me/Ms; //Factor of Evaporation +BP=(Me*370)/21.296; +printf('Equivalent Evaporation: %3.1f kg/kg of coal',Me); +printf('\n'); +printf('Boiler Power: %3.1f kW',BP); +printf('\n'); diff --git a/2339/CH5/EX5.11.1/Ex5_11.sce b/2339/CH5/EX5.11.1/Ex5_11.sce new file mode 100755 index 000000000..864b8a225 --- /dev/null +++ b/2339/CH5/EX5.11.1/Ex5_11.sce @@ -0,0 +1,18 @@ +clc +clear + +Ma=1100; //in kg/hr +CV=33000; //in kJ/kg +Tfw=46; //in C +P=10; //in bar +x=0.9; //Dryness Fraction +Eff=0.81; //Efficiency + +Hf=762.8; +Hfg=2015.3; +H=Hf+(x*Hfg); +Hfw=192.6; + +Mf=(Ma*(H-Hfw))/(CV*Eff); +printf('Amount of Coal Consumed per hour: %3.1f kg',Mf); +printf('\n'); diff --git a/2339/CH5/EX5.12.1/Ex5_12.sce b/2339/CH5/EX5.12.1/Ex5_12.sce new file mode 100755 index 000000000..e1f88b177 --- /dev/null +++ b/2339/CH5/EX5.12.1/Ex5_12.sce @@ -0,0 +1,24 @@ +clc +clear + +Ms=7.3; //kg/kg of fuel +Tfw=46; //in C +P=10; //in bar +FOE=1.17; //Factor of Evaporation +Eff=0.79; +Me=FOE*Ms; +printf('Equivalent Evaporation: %3.2f kg/kg of coal',Me); +printf('\n'); + +Hfw=192.6; //in kJ/kg +Hg=2778.1; //in kJ/kg +Tsat=179.9; //in C +Cps=2.1; //in kJ/kg K +H=(2257*FOE)+Hfw; +Tsup=((H-Hg)/Cps)+Tsat; +printf('Temperature of Superheated Steam: %3.1f C',Tsup); +printf('\n'); + +CV=(Ms*(H-Hfw))/Eff; +printf('Calorific Value: %3.1f kJ/kg',CV); +printf('\n'); diff --git a/2339/CH5/EX5.13.1/Ex5_13.sce b/2339/CH5/EX5.13.1/Ex5_13.sce new file mode 100755 index 000000000..caa43538d --- /dev/null +++ b/2339/CH5/EX5.13.1/Ex5_13.sce @@ -0,0 +1,24 @@ +clc +clear + +Ma=18000; //in kg/hr +P=10; //in bar +x=0.97; //Dryness Fraction +Tfw=40; //in C +Mf=2050; //in kg/hr +CV=28000; //kJ/kg + +//At 10 bar +Hf1=762.8; +Hfg1=2015.3; +H=Hf1+(x*Hfg1); + +Hfw=167.6; + +Eff=(Ma*100*(H-Hfw))/(Mf*CV); +printf('Boiler efficiency: %3.2f Percent',Eff); +printf('\n'); + +EA=((Ma/Mf)*(H-Hfw))/2257; +printf('Equivalent Evaporation: %3.2f kg/kg of coal',EA); +printf('\n'); diff --git a/2339/CH5/EX5.14.1/Ex5_14.sce b/2339/CH5/EX5.14.1/Ex5_14.sce new file mode 100755 index 000000000..3f4632214 --- /dev/null +++ b/2339/CH5/EX5.14.1/Ex5_14.sce @@ -0,0 +1,27 @@ +clc +clear + +Ma=18000; //in kg/hr +P=12; //in bar +x=0.97; //Dryness Fraction +CV=27400; //in kJ/kg +Mf=2050; //in kg>hr + +Qs=Mf*CV; +printf('Heat Supplied per hour: %3.1f kJ/hr',Qs); +printf('\n'); + +//At 12 bar +Hf=798.6; //in kJ/kg +Hfg=1986.2; //in kJ/kg +H1=Hf+(x*Hfg); + +//At 105 C +Hfw=438.9; //in kJ/kg +Eff=(Ma*100*(H1-Hfw))/Qs; +printf('Thermal Efficiency: %3.2f Percent',Eff); +printf('\n'); + +Ms=Ma/Mf; +printf('Factor of Evaporation: %3.2f ',Ms); +printf('\n'); diff --git a/2339/CH5/EX5.15.1/Ex5_15.sce b/2339/CH5/EX5.15.1/Ex5_15.sce new file mode 100755 index 000000000..f6fa12ce2 --- /dev/null +++ b/2339/CH5/EX5.15.1/Ex5_15.sce @@ -0,0 +1,27 @@ +clc +clear + +Ms=7.5; //kg/kg of coal +P=11; //in bar +Tf=70; //in C +Eff=0.75; //Efficiency +FOE=1.15; //Factor of Evaporation +Cps=2.1; //in kJ/kg K +Hfw=293; //in kJ/kg +H=(FOE*2257)+Hfw; + +//At 11 bar +Hg=2781.7; //in kJ/kg +Tsat=184.1; //in C +Tsup=((H-Hg)/Cps)+Tsat; +DOS=Tsup-Tsat; //Degree of Superheat +printf('Degree of Superheat: %3.1f C',DOS); +printf('\n'); + +Me=(Ms*(H-Hfw))/2257; +printf('Equivalent evaporation: %3.2f kg/kg of coal',Me); +printf('\n'); + +CV=(Ms*(H-Hfw))/Eff; +printf('Calorific value of Boiler: %3.2f kJ/kg ',CV); +printf('\n'); diff --git a/2339/CH5/EX5.16.1/Ex5_16.sce b/2339/CH5/EX5.16.1/Ex5_16.sce new file mode 100755 index 000000000..ccc45980c --- /dev/null +++ b/2339/CH5/EX5.16.1/Ex5_16.sce @@ -0,0 +1,26 @@ +clc +clear + +Ma=17000; //in kg/hr +P=14; //in bar +x=0.95; //Dryness Fraction +Tfw=102; //in C +Mf=2050; //in kg/hr +CV=27400; //Calorific Value +HS=Mf*CV; +printf('Heat Supplied per hour: %3.2f kJ',HS); +printf('\n'); + +Hf=830.3; //in kJ/kg +Hfg=1959.7; //in kJ/kg +Hfw=427.5; //in kJ/kg + +H=Hf+(x*Hfg); +Eff=(Ma*100*(H-Hfw))/(Mf*CV); +printf('Efficiency of Boiler: %3.2f Percent',Eff); +printf('\n'); + +Ms=Ma/Mf; +Me=(Ms*(H-Hfw))/2257; +printf('Equivalent evaporation: %3.2f kg/kg of coal',Me); +printf('\n'); diff --git a/2339/CH5/EX5.17.1/Ex5_17.sce b/2339/CH5/EX5.17.1/Ex5_17.sce new file mode 100755 index 000000000..0c55d621e --- /dev/null +++ b/2339/CH5/EX5.17.1/Ex5_17.sce @@ -0,0 +1,27 @@ +clc +clear + +Ma=1800; //kg/hr +P=12; //in bar +x=0.97; //Dryness Fraction +Tfw=105; //in C +Mf=2050; //in kg/hr +CV=27400; //in kJ/kg + +Q=Mf*CV; +printf('Heat Supplied: %3.2f kJ',Q); +printf('\n'); + +//At 12 bar pressure +Hf=798.6; //in kJ/kg +Hfg=1986.2; //in kJ/kg +H=Hf+(x*Hfg); +Hfw=4.187*Tfw; + +Me=(Ma*(H-Hfw))/(2257*Mf); +printf('Equivalent Evaporation: %3.2f kg/kg of coal',Me); +printf('\n'); + +Eff=(Ma*100*(H-Hfw))/(CV*Mf); +printf('Efficiency of boiler: %3.2f Percent',Eff); +printf('\n'); diff --git a/2339/CH5/EX5.18.1/Ex5_18.sce b/2339/CH5/EX5.18.1/Ex5_18.sce new file mode 100755 index 000000000..d08a6fc0d --- /dev/null +++ b/2339/CH5/EX5.18.1/Ex5_18.sce @@ -0,0 +1,11 @@ +clc +clear + +Me=10; //kg/kg +CV=34000 //kJ/kg + +x=Me*2257; + +Eff=100*x/CV; +printf('Efficiency of Boiler: %3.2f Percent',Eff); +printf('\n'); diff --git a/2339/CH5/EX5.19.1/Ex5_19.sce b/2339/CH5/EX5.19.1/Ex5_19.sce new file mode 100755 index 000000000..c8e4a4461 --- /dev/null +++ b/2339/CH5/EX5.19.1/Ex5_19.sce @@ -0,0 +1,24 @@ +clc +clear + +Ma=5500; //kg/hr +P=1; //bar +x=0.94; //Dryness Fraction +Tfw=40; //in C +Mf=600; //kg/hr +CV=32000; //kJ/kg +Hfw=Tfw*4.187; + +//At 1 bar pressure +Hf=417.5; //kJ/kg +Hfg=2258; //kJ/kg +H=Hf+(x*Hfg); +Ms=Ma/Mf; + +Me=(Ms*(H-Hfw))/2257; +printf('Equivalent Evaporation: %3.3f kg/kg of coal',Me); +printf('\n'); + +Eff=(Ms*100*(H-Hfw))/CV; +printf('Efficiency: %3.2f percent',Eff); +printf('\n'); diff --git a/2339/CH5/EX5.2.1/Ex5_2.sce b/2339/CH5/EX5.2.1/Ex5_2.sce new file mode 100755 index 000000000..451bf7068 --- /dev/null +++ b/2339/CH5/EX5.2.1/Ex5_2.sce @@ -0,0 +1,25 @@ +clc +clear + +Ma=5400; //in kg/hr +Tfw=42; //in C +P=7.6; //in bar +Mf=670; //in kg/hr +x=0.98; //Dryness Fraction +CV=31000; //kJ/kg +Ms=Ma/Mf; +Hf=175.81; //in kJ/kg +Hfw=Hf; + +//Now at 7.6 bar pressure +Hf=711.8; //in kJ/kg +Hfg=2055.2; //in kJ/kg + +H=Hf+(x*Hfg); +Eff=100*(Ma*(H-Hfw))/(Mf*CV); +printf('Boiler Efficiency %3.1f percent',Eff); +printf('\n'); + +Me=(Ms*(H-Hfw))/(2257); +printf('Equivalent evaporation: %3.2f kg/kg of coal',Me); +printf('\n'); diff --git a/2339/CH5/EX5.3.1/Ex5_3.sce b/2339/CH5/EX5.3.1/Ex5_3.sce new file mode 100755 index 000000000..75e3cc2f6 --- /dev/null +++ b/2339/CH5/EX5.3.1/Ex5_3.sce @@ -0,0 +1,22 @@ +clc +clear + +P=12; //in bar +CV=34000; //in kJ/kg +T=250; //in C +Ms=10; //in kg/kg of coal +Tfw=36; //in C +Hfw=150.74; //in kJ/kg +Hg=2784.8; //in kJ/kg +Tsup=T; +Tsat=188; //in C +Cps=2.1; //in kJ/kg K +H=Hg+(Cps*(Tsup-Tsat)); + +Me=(Ms*(H-Hfw))/2257; +printf('Equivalent evaporation: %3.2f kg/kg of coal',Me); +printf('\n'); + +Eff=(Me*250)/21.296; +printf('Boiler Power: %3.2f kW',Eff); +printf('\n'); diff --git a/2339/CH5/EX5.4.1/Ex5_4.sce b/2339/CH5/EX5.4.1/Ex5_4.sce new file mode 100755 index 000000000..6dedfc8b2 --- /dev/null +++ b/2339/CH5/EX5.4.1/Ex5_4.sce @@ -0,0 +1,30 @@ +clc +clear + +Ma=35500; //kg of steam +Mf=3460; +CV=39500; +Ms=Ma/Mf; + + +Hfw2=313.9; //in kJ/kg +Hfw1=71.4; //in kJ/kg + +Q=Ma*(Hfw2-Hfw1); //Heat added in economizer +H=2915.0; //in kJ/kg + +Me=(Ms*(H-Hfw2))/2257; +printf('Equivalent evaporation: %3.2f kg/kg of Oil',Me); +printf('\n'); + +Eff1=(Ma*100*(H-Hfw2))/(Mf*CV); +printf('Thermal Efficiency of boiler: %3.1f Percent',Eff1); +printf('\n'); + +Eff2=(Ma*100*(H-Hfw1))/(Mf*CV); +printf('Thermal Efficiency of Boiler plant: %3.1f Percent',Eff2); +printf('\n'); + +HU=860875000/(Mf*CV); +printf('Heat Utilized by Economizer: %3.1f Percent',HU); +printf('\n'); diff --git a/2339/CH5/EX5.5.1/Ex5_5.sce b/2339/CH5/EX5.5.1/Ex5_5.sce new file mode 100755 index 000000000..8c34472d8 --- /dev/null +++ b/2339/CH5/EX5.5.1/Ex5_5.sce @@ -0,0 +1,18 @@ +clc +clear + +Ma=10000; //in kg/hr +P=7; //in bar + +Tfw=40; //in C +Hfw=167.6; //in kJ/kg +H=2763.5; //in kJ/kg + +Q=Ma*(H-Hfw)/60; //Heat per minute +SA=Q/2720; //Heating surface area required +printf('Heating surface area required: %3.1f m^2',SA); +printf('\n'); + +GA=SA/25; +printf('Grate area required: %3.1f m^2',GA); +printf('\n'); diff --git a/2339/CH5/EX5.6.1/Ex5_6.sce b/2339/CH5/EX5.6.1/Ex5_6.sce new file mode 100755 index 000000000..d0e4643c9 --- /dev/null +++ b/2339/CH5/EX5.6.1/Ex5_6.sce @@ -0,0 +1,19 @@ +clc +clear + +Ma=2400; //in kg +Mf=240; //in kg +P=12; //in bar +CV=33500; //in kJ/kg +Tfw=120; //in C +Cpw=4.187; +Hfw=Cpw*Tfw; +H=2784.8; //in kJ/kg +Mfa=Mf-(0.1*Mf); +Eff=(Ma*100*(H-Hfw))/(Mfa*CV); +printf('Thermal Efficiency: %3.1f percent',Eff); +printf('\n'); + +Eff1=(Ma*100*(H-Hfw))/(Mf*CV); +printf('Thermal Efficiency of boiler and grate: %3.1f percent',Eff1); +printf('\n'); diff --git a/2339/CH5/EX5.7.1/Ex5_7.sce b/2339/CH5/EX5.7.1/Ex5_7.sce new file mode 100755 index 000000000..b6f28b908 --- /dev/null +++ b/2339/CH5/EX5.7.1/Ex5_7.sce @@ -0,0 +1,21 @@ +clc +clear + +Mf=255; //in kg +x=0.94; //Dryness Fraction +CV=30100; //in kJ/kg +P=11.5; //in bar +Ma=2100; //in kg +Tfw=25; //in C +Ms=Ma/Mf; + +Hfw=104.9; //in kJ/kg +Hf=790.1; //in kJ/kg +Hfg=1993.2; //in kJ/kg +H=Hf+(x*Hfg); + +Me=(Ms*(H-Hfw))/2257; +Eff=(Ma*100*(H-Hfw))/(Mf*CV); +printf('Equivalent Evaporation: %3.2f kg/kg of coal \n',Me) +printf('Thermal Efficiency: %3.1f percent',Eff); +printf('\n'); diff --git a/2339/CH5/EX5.8.1/Ex5_8.sce b/2339/CH5/EX5.8.1/Ex5_8.sce new file mode 100755 index 000000000..d9bdeed6e --- /dev/null +++ b/2339/CH5/EX5.8.1/Ex5_8.sce @@ -0,0 +1,23 @@ +clc +clear + +Hf=762.8; //in kJ/kg +Hfg=2015.3; //in kJ/kg +x=0.95; //Dryness Fraction +Ma=1000; +Eff=0.75; +CV=31000; + +H=Hf+(x*Hfg); +Cpw=4.187; +T=50; + +Hfw=Cpw*T; +Q=Ma*(H-Hfw); + +Mf=Q/(Eff*CV); +y=Mf/0.9; + +Eff1=(Q*100)/(y*CV); +printf('Efficiency of Boiler and grate: %3.1f percent',Eff1); +printf('\n'); diff --git a/2339/CH5/EX5.9.1/Ex5_9.sce b/2339/CH5/EX5.9.1/Ex5_9.sce new file mode 100755 index 000000000..ca466b32d --- /dev/null +++ b/2339/CH5/EX5.9.1/Ex5_9.sce @@ -0,0 +1,23 @@ +clc +clear + +//At 10 bar +Hg=2778.1; //in kJ/kg +Cp=2.1; //in kJ/kg K +T=50; +CV=30000; //in kJ/kg + +H=Hg+(Cp*T); +C=4.187; +Tf=30; +Hfw=C*Tf; + +Ms=800/100; + +Me=(Ms*(H-Hfw))/2257; +printf('Equivalent Evaporation: %3.2f kg/kg of coal',Me); +printf('\n'); + +Eff=(Ms*100*(H-Hfw))/CV; +printf('Efficiency of Boiler and grate: %3.1f percent',Eff); +printf('\n'); -- cgit