initial commit / add all books

1 files changed, 15 insertions, 0 deletions

diff --git a/167/CH14/EX14.4/ex4.sce b/167/CH14/EX14.4/ex4.sce
new file mode 100755
index 000000000..9b94f05c7
--- /dev/null
+++ b/167/CH14/EX14.4/ex4.sce
@@ -0,0 +1,15 @@
+//example 4

+// The Use of the Psychrometric Chart

+clear

+clc

+disp('At a given total pressure, the state of atmospheric air is completely specifiedby two independent properties such as the dry-bulb temperature and the relative humidity. Other properties are determined by directly reading their values at the specified state.')

+disp('The specific humidity is determined by drawing a horizontal line from the specified state to the right until it intersects with the v axis')

+v=0.0142 // in kg water/kg dry air

+disp('The enthalpy of air per unit mass of dry air is determined by drawing a line parallel to the h=constant lines from the specific state until it intersects the enthalpy scale, giving')

+h=71.5 // in kJ/kg dry air

+disp('The wet-bulb temperature is determined by drawing a line parallel to the Twb=constant lines from the specified state until it intersects the saturation line, giving')

+Twb=24 // in Celsius

+disp('The dew-point temperature is determined by drawing a horizontal line from the specified state to the left until it intersects the saturation line, giving')

+Tdp=19.4// in Celsius

+disp('The specific volume per unit mass of dry air is determined by noting the distances between the specified state and the v=constant lines on both sides of the point. The specific volume is determined by visual interpolation to be')

+v=0.893 // in m3/kg dry air
\ No newline at end of file