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modified f_dep according to Finlay & Martin

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This commit is contained in:
Luis Aleixo 2021-09-14 10:41:04 +02:00
parent 0ce14e56f3
commit f9c92329d8
2 changed files with 32 additions and 23 deletions
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6
cara/plot_output.py
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@ -18,11 +18,11 @@ print('\n<<<<<<<<<<< Vlout for Talking, seated >>>>>>>>>>>')
# Exhaled virions while breathing, seated # # Exhaled virions while breathing, seated #
print('\n<<<<<<<<<<< Vlout for Breathing, seated >>>>>>>>>>>') print('\n<<<<<<<<<<< Vlout for Breathing, seated >>>>>>>>>>>')
exposure_model_from_vl_breathing() #exposure_model_from_vl_breathing()
# Exhaled virions while breathing, light activity # # Exhaled virions while breathing, light activity #
print('\n<<<<<<<<<<< Vlout for Shouting, light activity >>>>>>>>>>>') print('\n<<<<<<<<<<< Vlout for Shouting, light activity >>>>>>>>>>>')
exposure_model_from_vl_shouting() #exposure_model_from_vl_shouting()
# Exhaled virions while talking according to BLO model, seated # # Exhaled virions while talking according to BLO model, seated #
print('\n<<<<<<<<<<< Vlout for Talking, seated with chosen Cn,L >>>>>>>>>>>') print('\n<<<<<<<<<<< Vlout for Talking, seated with chosen Cn,L >>>>>>>>>>>')
@ -39,7 +39,7 @@ print('\n')
#present_vl_er_histograms(activity='Heavy exercise', mask='No mask') #present_vl_er_histograms(activity='Heavy exercise', mask='No mask')
############ CDFs for comparing the QR-Values in different scenarios ############ ############ CDFs for comparing the QR-Values in different scenarios ############
#generate_cdf_curves() generate_cdf_curves()
############ Deposition Fraction Graph ############ ############ Deposition Fraction Graph ############
print('\n<<<<<<<<<<< Deposition Fraction for Breathing, seated >>>>>>>>>>>') print('\n<<<<<<<<<<< Deposition Fraction for Breathing, seated >>>>>>>>>>>')

37
cara/results_paper.py
View file

@ -506,40 +506,49 @@ def calculate_deposition_factor():
k = 1.38*10**-23 k = 1.38*10**-23
T = 300 T = 300
diameters = np.linspace(0.3, 100, 200) #particle diameter (multiply later by 10**(-6)) diameters = np.linspace(0.01, 100, 200) #particle diameter (multiply later by 10**(-6))
fractions = [] fractions = []
for d in diameters: for d in diameters:
d1 = d*10**(-6) d_μm = d*10**(-6)
cunningham_slip_factor = calculate_cunningham_slip_factor(d1) cunningham_slip_factor = calculate_cunningham_slip_factor(d_μm)
#if d > 1:
f_dep = 0.08 + 0.92 / ( f_dep_ine = 0.08 + 0.92 / (
1 + (4.09*10**-6 * ( 1 + (4.09*10**-6 * (
(((cunningham_slip_factor*rho_p*d1**2*(BRk/3600))/mu_air*FRC)**0.8) + ( (((cunningham_slip_factor*rho_p*d_μm**2*(BRk/3600))/mu_air*FRC)**0.8) + (
0.01*( 0.01*(
((cunningham_slip_factor*g*rho_p*d1**2*FRC**(2/3))/(mu_air*(BRk/3600))**0.4) * ( ((cunningham_slip_factor*g*rho_p*d_μm**2*FRC**(2/3))/(mu_air*(BRk/3600))**0.4) * (
(Vt/FRC)**0.8 (Vt/FRC)**0.8
) )
) )
) )
)**(-2.06) )**(-2.06)
)) ))
#elif d < 0.9: f_dep_diff = 1 - (1/
# f_dep = 1 - 1 / ( ((7380*(
# 7380*(((k * T * cunningham_slip_factor)\(3 * np.pi * mu_air * d1)*(Vt**(1/3))/(BRk/3600))**0.539 * (Vt/FRC)**0.884) + 1) ((k * T * cunningham_slip_factor)/3*math.pi*mu_air*d_μm) *
#else: ((Vt**(1/3)) / (BRk/3600)))**0.539) * ((Vt/FRC)**0.884) + 1))
# f_dep = 0.5
# f_dep_sed = (0.431 * f_dep_ine) + (0.541 * f_dep_diff) + (1.060 * f_dep_ine**2) + (0.685 * f_dep_diff**2) - (1.521 * f_dep_ine * f_dep_diff)
# Eq. S.1
if d < 0.3:
f_dep = f_dep_diff
elif d >= 0.3 and d <= 1.:
f_dep = f_dep_sed
elif d > 1:
f_dep = f_dep_ine
fractions.append(f_dep) fractions.append(f_dep)
fig = plt.figure() fig = plt.figure()
ax = fig.add_subplot(1, 1, 1) ax = fig.add_subplot(1, 1, 1)
ax.plot(diameters, fractions) ax.plot(diameters, fractions)
plt.ylabel( plt.ylabel(
'Deposition fraction (f$_{dep}$)', fontsize=14) 'Deposition fraction (f$_{dep}$)', fontsize=14)
plt.xlabel('Particle diameter (μm)', fontsize=14) plt.xlabel('Particle diameter (μm)', fontsize=14)
plt.show() plt.show()
######### Auxiliar functions ######### ######### Auxiliar functions #########