import numpy as np import scipy as sci import matplotlib #matplotlib.use('Agg') import matplotlib.pyplot as plt from matplotlib import rc from scipy.interpolate import interp1d from scipy.optimize import brentq #from pylab import figure, plot, xlabel, grid, hold, legend, title, savefig from pylab import * import FluidProperties as fp import CorrelationFunctions as cf import FlatPlateCollectorFunctions as FPCfns print "Water:" print "Thermal conductivity is ", fp.waterprops(300.0)[0] print "Dynamic viscosity is ", fp.waterprops(300.0)[3] print "Density is ", fp.waterprops(300.0)[1] print "Kinematic viscosity is ", fp.waterprops(300.0)[4] print "Thermal diffusivity is ", fp.waterprops(300.0)[5] print "Air: " print "Thermal conductivity is ", fp.airprops(300.0)[0] print "Dynamic viscosity is ", fp.airprops(300.0)[3] print "Density is ", fp.airprops(300.0)[1] print "Kinematic viscosity is ", fp.airprops(300.0)[4] print "Thermal diffusivity is ", fp.airprops(300.0)[5] print "\n" #Problem 1: Find loss from plate given following data AbsPlateL1 = 1.9