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python_parameters.py
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36 lines (32 loc) · 795 Bytes
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ρ_mat = 2700 # kg/m^3
κ_mat = 170 # W/(m.K)
κ_tool = 100 # W/(m.K)
cp = 896 # J/(kg.K)
A = math.exp(19.3) # 1/s
α = 0.045 # 1/MPa
α /= 1e6 # 1/Pa
n = 3.55
t = 1.5e-3 # m
h = 30e-3 # m
L = 40e-3 # m
width = 40e-3 # m
Ω = 350 # RPM
ω = 2*math.pi*Ω/60 # rad/s
ΔH = 145000 # J/mol
G = 8.314 # J/(mol.K)
Rbar = 12.5e-3/2 # m
Rtool = 38e-3/2 # m
A_feed = 4 * Rbar**2 # m^2
A_tool = math.pi * Rtool**2 # m^2
vfeed = 6e-3 # m/s
β = 6.24
ζ = 0.9
η = 0.9
Ttool = 80 # degC
Tlayer = 100 # degC
T0 = 200 # degC
# Moving heat source fitting parameters:
C_th = 0.09
alpha_th = 0.33
Tm = 585 # Melting temperature
Ea = 0#-6e3 # Activation energy