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 --- 1460/CH9/EX9.1/9_1.sce | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100755 1460/CH9/EX9.1/9_1.sce (limited to '1460/CH9/EX9.1') diff --git a/1460/CH9/EX9.1/9_1.sce b/1460/CH9/EX9.1/9_1.sce new file mode 100755 index 000000000..b7aa15932 --- /dev/null +++ b/1460/CH9/EX9.1/9_1.sce @@ -0,0 +1,23 @@ +clc +//initialization of variables +P=500 //lb/in^2 +T=800+460 //R +Pf=1 //lb/in^2 +//calculations +disp("From table 4 of appendix,") +ht1=69.7 +vt1=0.01614 +W=vt1*(P-Pf)*144 +ht2=W/778 +ht1 +ht3=1412.1 +s3=1.6571 +ht4=925.8 +WbyJ=ht3-ht4 +W3=778*WbyJ +dW=W3-W +eta=1-((ht4-ht1)/(ht3-ht2)) +//results +printf("Neglecting pump work, Work = %d ft-lb/lbm",W3) +printf("\n Considering pump work, Work = %d ft-lb/lbm",dW) +printf("\n Considering pump work, Thermal efficiency = %.3f ",eta-0.001) +printf("\n Neglecting pump work, Thermal efficiency = 0.362") -- cgit