initial commit / add all books

1 files changed, 19 insertions, 0 deletions

diff --git a/887/CH16/EX16.5/16_5.sce b/887/CH16/EX16.5/16_5.sce
new file mode 100755
index 000000000..23c356e4b
--- /dev/null
+++ b/887/CH16/EX16.5/16_5.sce
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+clc

+//ex16.5

+n_m_1=1200;      //speed in rpm

+T_out_1=12;      //motor torque

+W_m_1=n_m_1*2*%pi/60;      //angular speed

+//As we are neglecting losses, the output torque and power are equal to the developed torque and power respectively

+P_out_1=W_m_1*T_out_1;      //output power

+//For Torque=24

+T_out_2=24;

+T_dev_2=T_out_2;

+//T_dev=K*K_F*V_T^2/(R_A+R_F+K*K_F*W_m^2)

+//neglecting resistances and with the above equation for T_dev, we get inverse relation between torque and square of speed

+W_m_2=W_m_1*sqrt(T_out_1)/sqrt(T_dev_2);

+n_m_2=W_m_2*60/(2*%pi);

+P_out_2=T_dev_2*W_m_2;

+printf(" All the values in the textbook are approximated hence the values in this code differ from those of Textbook")

+disp(P_out_1,'Output power for load torque=12 in watts')

+disp(n_m_2,'speed for torque=24 in rpm')

+disp(P_out_2,'Output power for load torque=24 in watts')