diff options
Diffstat (limited to '2378/CH1/EX1.3/Exa_1_3.sce')
| -rw-r--r-- | 2378/CH1/EX1.3/Exa_1_3.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/2378/CH1/EX1.3/Exa_1_3.sce b/2378/CH1/EX1.3/Exa_1_3.sce new file mode 100644 index 000000000..744b27186 --- /dev/null +++ b/2378/CH1/EX1.3/Exa_1_3.sce @@ -0,0 +1,18 @@ +//Torsional spring constant of a propeller shaft +//Exa_1_3 +clc; +clear; +//refer fig:1.25 +G=80e+9; //shear modulus of shaft in N/m^2 +D12=0.3; //outer diameter of AA section in m +d12=0.2; //inner diameter of AA section in m +l12=2; //length of 12 segment in m +kt12=(G* %pi *(D12^4-d12^4))/(32*l12); //spring constant of section 12 + +D23=0.25; //Outer diameter of BB section in m +d23=0.15; //inner diameter of BB section in m +l23=3; //length of 23 segment in m +kt23=(G* %pi *(D23^4-d23^4))/(32*l23); //spring constant of section 23 + +kteq=(kt12*kt23)/(kt12+kt23); +disp(kteq,"Torsional spring constant of a propeller shaft in N-m/rad = "); |