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 --- 1472/CH5/EX5.1/5_1.sce | 11 +++++++++++ 1472/CH5/EX5.2/5_2.sce | 12 ++++++++++++ 1472/CH5/EX5.3/5_3.sce | 14 ++++++++++++++ 1472/CH5/EX5.4.a/5_4.sce | 15 +++++++++++++++ 1472/CH5/EX5.4.b/5_4b.sce | 15 +++++++++++++++ 5 files changed, 67 insertions(+) create mode 100755 1472/CH5/EX5.1/5_1.sce create mode 100755 1472/CH5/EX5.2/5_2.sce create mode 100755 1472/CH5/EX5.3/5_3.sce create mode 100755 1472/CH5/EX5.4.a/5_4.sce create mode 100755 1472/CH5/EX5.4.b/5_4b.sce (limited to '1472/CH5') diff --git a/1472/CH5/EX5.1/5_1.sce b/1472/CH5/EX5.1/5_1.sce new file mode 100755 index 000000000..5169d42b9 --- /dev/null +++ b/1472/CH5/EX5.1/5_1.sce @@ -0,0 +1,11 @@ +clc +//initialization of varaibles +V1=10 //cu ft +P1=15 //psia +V2=5 //cu ft +H=34.7 //Btu +//calculations +W=P1*(V2-V1)*144 +dE=-H-W/778 +//results +printf("Internal energy change = %.1f Btu",dE) diff --git a/1472/CH5/EX5.2/5_2.sce b/1472/CH5/EX5.2/5_2.sce new file mode 100755 index 000000000..f3dea1eb5 --- /dev/null +++ b/1472/CH5/EX5.2/5_2.sce @@ -0,0 +1,12 @@ +clc +//initialization of varaibles +dT=35 //F +H=34 //Btu +cv=1.2 //B/lb F +m= 2 //lb +//calculations +U=cv*dT*m +W=H-U +//results +printf("Work done = %d Btu",W) +printf("\n Internal energy change = %.1f Btu",U) diff --git a/1472/CH5/EX5.3/5_3.sce b/1472/CH5/EX5.3/5_3.sce new file mode 100755 index 000000000..42b868c69 --- /dev/null +++ b/1472/CH5/EX5.3/5_3.sce @@ -0,0 +1,14 @@ +clc +//initialization of varaibles +p=500 //psia +V2=0.9278 //cu ft +V1=0.0197 //cu ft +h2=1204.4 //B/lb +h1=449.4 //B/lb +//calculations +W=p*(V2-V1)*144 +du=h2-h1-144*p*(V2-V1)/778 +du2=h2-h1-W/778 +//results +printf("Change in internal energy = %.1f Btu",du) +printf("\n Method 2, Internal energy change = %.1f Btu",du2) diff --git a/1472/CH5/EX5.4.a/5_4.sce b/1472/CH5/EX5.4.a/5_4.sce new file mode 100755 index 000000000..c7076cd6e --- /dev/null +++ b/1472/CH5/EX5.4.a/5_4.sce @@ -0,0 +1,15 @@ +clc +//initialization of varaibles +P1=75 //psia +P2=15 //psia +V1=6 //cu ft +g=1.2 +m=3 +//calculations +V2=V1*(P1/P2)^(1/g) +U=0.48*(P2*V2-P1*V1) +W=(P2*V2-P1*V1)*144/((1-g)*778) +Q=U+W +//results +printf("Heat = %.3f Btu",Q) +//The answer given in textbook is wrong. please check using a calculator diff --git a/1472/CH5/EX5.4.b/5_4b.sce b/1472/CH5/EX5.4.b/5_4b.sce new file mode 100755 index 000000000..5630a23fd --- /dev/null +++ b/1472/CH5/EX5.4.b/5_4b.sce @@ -0,0 +1,15 @@ +clc +//initialization of varaibles +P1=75 //psia +P2=15 //psia +V1=6 //cu ft +g=1.2 +m=3 +//calculations +Q=30 //Btu +V2=V1*(P1/P2)^(1/g) +U=0.48*(P2*V2-P1*V1) +W=Q-U +//results +printf("Work done = %.1f Btu",W) +//The answer given in textbook is wrong. please check using a calculator -- cgit