From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3765/CH3/EX3.7/Ex3_7.sce | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 3765/CH3/EX3.7/Ex3_7.sce (limited to '3765/CH3/EX3.7/Ex3_7.sce') diff --git a/3765/CH3/EX3.7/Ex3_7.sce b/3765/CH3/EX3.7/Ex3_7.sce new file mode 100644 index 000000000..72afdaa62 --- /dev/null +++ b/3765/CH3/EX3.7/Ex3_7.sce @@ -0,0 +1,20 @@ +clc +// Example 3.7.py +// For the normal shock that occurs in front of the pitot tube in Example 3.6, +// calculate the entropy change across the shock. + + +// Variable declaration +M1 = 2.34 // mach number from example 3.6 +R = 1716.0 // gas constant (ft lbf/slug/R) + +// Calculations +// subscript 2 means downstream of the shock + +po2_by_po1 = 0.5615 // from shock table A2 for mach M1 +// +dels = -R*log(po2_by_po1) // s2 - s1 (in lb/slug R) + +// Result +printf("\n Change is entropy is %.1f lb/slug R", dels) + -- cgit