initial commit / add all books

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diff --git a/3685/CH5/EX5.5/Ex5_5.sce b/3685/CH5/EX5.5/Ex5_5.sce
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+clc

+t1 = 15 // Heat exchanger inlet temperature in degree Celsius

+t2 = 800 // Heat exchanger exit temperature in degree Celsius

+t3 = 650 // Turbine exit temperature in degree Celsius

+t4 = 500 // Nozzle exit temperature in degree Celsius

+v1 = 30 // Velocity of steam at heat exchanger inlet in m/s

+v2 = 30// Velocity of steam at turbine inlet in m/s

+v3 = 60 // Velocity of steam at nozzle inlet in m/s

+w = 2 // mass flow rate in kg/s

+cp = 1005 // Specific heat capacity of air in kJ/kgK

+

+printf("\n Example 5.5")

+Q1_2 = w*cp*(t2-t1) // rate of heat transfer

+printf("\n The rate of heat transfer to the air in the heat exchanger is %d kJ/s",Q1_2/1e3)

+

+W_T = w*( ((v2^2-v3^2)/2) + cp*(t2-t3)) // power output from the turbine

+printf("\n The power output from the turbine assuming no heat loss is %f kW",W_T/1000)

+v4 = sqrt( (v3^2) + (2*cp*(t3-t4)) ) // velocity at the exit of the nozzle

+printf("\n The velocity at the exit of the nozzle is %d m/s",v4)

+//The answers vary due to round off error

+

diff --git a/3685/CH5/EX5.5/Ex5_5.txt b/3685/CH5/EX5.5/Ex5_5.txt
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+ 

+ 

+ Example 5.5

+ The rate of heat transfer to the air in the heat exchanger is 1577 kJ/s

+ The power output from the turbine assuming no heat loss is 298.800000 kW

+ The velocity at the exit of the nozzle is 552 m/s  
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