19 lines
518 B
Python
19 lines
518 B
Python
from numpy import pi
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h = 0.0025 # W / cm^2*K
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class Bar1():
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def __init__(self):
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self.k = 0.5 # W / cm*K
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self.r = 0.1 # cm
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self.A = pi*self.r**2 # cm^2
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self.P = 2*pi*self.r # cm
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class Bar2():
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def __init__(self):
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self.k = 0.5 # W / cm*K
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self.r = 0.1 # cm
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self.A = pi*self.r**2 # cm^2
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self.P = 2*pi*self.r # cm
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self.alpha = ((h*self.P)/(self.k*self.A))**0.5 |