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vypocet.py
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#-*- coding: utf-8 -*-
#-------------------------------------------------------------------------------
# Name: vypocet.py
# Purpose: vypocet koncentraci znecistujicich latek v ovzdusi,
# vypocet promennych a parametru obsazenych v zakladni rovnici
#
# Author: Karel Psota
#
# Created: 28.04.2011
# Copyright: (c) Karel Psota 2011
# Licence: Simplified BSD License
#-------------------------------------------------------------------------------
import math
import numpy as np
#from scipy import integrate
from vysledky import Vysledky
from vysledek import Vysledek
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
class Vypocet:
def __init__(self):
self.db_vysledky = Vysledky()
self.tridni_konstanty = [
{"trida":1,"exp_p":0.33,
"a_y":0.1042, "b_y":0.8844, "a_z":0.5461,
"b_z":0.5076, "k_s":0.6, "k_m":184.0,
"epsilon_koef":0.05},
{"trida":2,"exp_p":0.25,
"a_y":0.1195, "b_y":0.8930, "a_z":0.4980,
"b_z":0.5797, "k_s":0.78, "k_m":200.0,
"epsilon_koef":0.1},
{"trida":3,"exp_p":0.18,
"a_y":0.1400, "b_y":0.8986, "a_z":0.4221,
"b_z":0.6564, "k_s":1.0, "k_m":236.0,
"epsilon_koef":0.20},
{"trida":4,"exp_p":0.14,
"a_y":0.1684, "b_y":0.9018, "a_z":0.3158,
"b_z":0.7549, "k_s":1.14, "k_m":300.0,
"epsilon_koef":0.30},
{"trida":5,"exp_p":0.1,
"a_y":0.2898, "b_y":0.8831, "a_z":0.1740,
"b_z":0.9729, "k_s":1.24, "k_m":411.0,
"epsilon_koef":0.50},
]
# "koeficienty odstranovani"
ku1 = 1.39*(10**(-5))
ku2 = 1.93*(10**(-6))
ku3 = 1.59*(10**(-8))
self.koef_odstranovani = {"sirovodik":ku1, "chlorovodik":ku1,
"peroxid_vodiku":ku1, "dimetyl_sulfid":ku1,
"oxid_siricity":ku2, "oxid_dusnaty":ku2,
"oxid_dusicity":ku2, "amoniak":ku2, "sirouhlik":ku2,
"formaldehyd":ku2, "oxid_dusny":ku3,
"oxid_uhelnaty":ku3, "oxid_uhlicity":ku3,
"metan":ku3, "vyssi_uhlovodiky":ku3,
"metyl_chlorid":ku3, "karbonyl_sulfid":ku3}
# "metody pro vypocet parametru nutnych pro hlavni vypocet"
def vypocti_azimuty(self, refbody, zdroje):
"""vypocte azimut ve kterem se nachazi i-ty zdroj pri pohledu z
k-teho ref.bodu, vysledky uklada do matice"""
azimuty = []
for z in zdroje:
radek_matice = []
for r in refbody:
xd = getattr(z, "x") - getattr(r, "x")
yd = getattr(z, "y") - getattr(r, "y")
if xd != 0 and yd != 0:
a = math.atan(xd/yd)
azimut = math.degrees(a)+(90*(2-np.sign(xd)*
(1+np.sign(yd))))
radek_matice.append(azimut)
elif yd == 0:
azimut = 180 - (90*np.sign(xd))
radek_matice.append(azimut)
elif xd == 0:
azimut = 90 - (90*np.sign(yd))
radek_matice.append(azimut)
azimuty.append(radek_matice)
return azimuty
def vypocti_h_h1(self, zdroj, refbod, rychlost, exp_p, ks, km,
epsilon_koef, max_vyska, x):
"vypocet efektivni vysky zdroje s korekcemi"
# "urceni beta koeficientu na zaklade teploty spalin"
if getattr(zdroj, "teplota_spalin") >= 80:
beta_koef = 1.0
elif (getattr(zdroj, "teplota_spalin") > 30
and getattr(zdroj, "teplota_spalin") < 80):
beta_koef = (getattr(zdroj, "teplota_spalin")- 30.0)/50.0
else:
beta_koef = 0
# "urceni rychlosti vetru ve vysce koruny komina"
if getattr(zdroj, "vyska_komina") <= 10:
u_h = rychlost
elif (getattr(zdroj, "vyska_komina") > 10
and getattr(zdroj, "vyska_komina") < 200):
u_h = (rychlost *
(getattr(zdroj, "vyska_komina")/10.0)**exp_p)
else:
u_h = rychlost * (20.0**exp_p)
# "urceni tepelne vydatnosti - tv"
q = ((10.0**(-3.0)) * getattr(zdroj, "objem_spalin") * 1.371 *
(getattr(zdroj, "teplota_spalin") - 0))
# "urceni A a B konstant"
if q >= 20:
a_konst = 30.0
b_konst = 0.7
else:
a_konst = 90.0
b_konst = (1.0/3.0)
# "urceni prevyseni vlecky"
if x < km*math.sqrt(q):
prevyseni_vlecky = ( ( ( (1-beta_koef)*
( (1.5*getattr(zdroj,"rychlost_spalin")*
getattr(zdroj,"prumer_komina"))/u_h ) ) +
( beta_koef*((ks*a_konst*(q**b_konst))/u_h)) )
*(( x/(km*math.sqrt(q)) )**(2.0/3.0)) )
else:
prevyseni_vlecky = ( ( ( (1-beta_koef)*
( (1.5*getattr(zdroj,"rychlost_spalin")*
getattr(zdroj,"prumer_komina"))/u_h ) ) +
( beta_koef*((ks*a_konst*(q**b_konst))/u_h))) )
# "urceni efektivni vysky zdroje bez korekci"
h = getattr(zdroj, "vyska_komina") + prevyseni_vlecky
# "urceni efektivni vysky zdroje s korekcemi"
zm = max_vyska - (getattr(zdroj, "z")+getattr(zdroj, "vyska_komina"))
if zm > (1-epsilon_koef)*h:
h_1 = zm + (epsilon_koef * h)
else:
h_1 = h
return h,h_1
def vypocti_uh1(self, h_1, tridni_rychlost, exp_p):
"urceni rychlosti vetru v efektivni vysce komina"
if h_1 <= 10:
u_h1 = tridni_rychlost
elif (h_1 > 10
and h_1 < 200):
u_h1 = tridni_rychlost * ((h_1/10.0)**exp_p)
else:
u_h1 = tridni_rychlost * (20.0**exp_p)
return u_h1
def vypocti_kh(self, trida, rychlost, h1, zdroj, refbod):
"""vypocet zeslabeni vlivu nizkych zdroju na znecisteni ovzdusi
na horach"""
if getattr(refbod, "z") > (getattr(zdroj, "z")+h1):
kh = 1 - (self.vypocti_f_z((getattr(zdroj, "z")+h1),
trida, rychlost) - self.vypocti_f_z(getattr(refbod, "z"),
trida, rychlost))
else:
kh = 1
return kh
def vypocti_f_z(self, z, trida, rychlost):
"vrati f'(z) koeficient pro zvolenou nadm. vysku"
if trida == 1 or trida == 2:
f_z = 2.247 * self.vypocti_fz(z)
elif trida == 3:
if rychlost <= 2.5:
f_z = 1.170 * self.vypocti_fz(z)
elif rychlost >= 2.5 and rychlost < 7.5:
f_z = 1.170 * self.vypocti_fz(z) * (1-((rychlost-2.5)/5.0))
else:
f_z = 0.0
else:
f_z = 0.0
return f_z
def vypocti_fz(self, z):
"vrati odpovidajici f(z) koeficient pro zvolenou nadm. vysku"
nadm_vysky = [350, 400, 450, 500, 550, 600, 650, 700, 750, 800, 850,
900, 950, 1000, 1050, 1100, 1150, 1200, 1250, 1300, 1350,
1400, 1450, 1500, 1550, 1600]
fz_all = [0.445, 0.444, 0.432, 0.401, 0.360, 0.325, 0.292, 0.261, 0.233,
0.213, 0.189, 0.177, 0.157, 0.140, 0.125, 0.111, 0.092, 0.078,
0.061, 0.049, 0.034, 0.025, 0.015, 0.007, 0.001, 0.0]
rozdily = []
for n in nadm_vysky:
rozdil = abs(n - z)
rozdily.append(rozdil)
fz = fz_all[rozdily.index(min(rozdily))]
return fz
def vypocti_vertikal_sourad(self, refbod, zdroj, h1, l):
z_r = getattr(refbod, "z")
z_z = getattr(zdroj, "z")
z = z_r - z_z
list_z = []
if (z + l) <= h1:
z_ = z + l
z__ = abs(z) + l
z___ = z - l
list_z.append(z_)
list_z.append(z__)
list_z.append(z___)
else:
z_ = h1
z__ = abs(z) + h1 - z
z___ = 2.0 * z - h1
list_z.append(z_)
list_z.append(z__)
list_z.append(z___)
return list_z
def vypocti_theta(self, x, profil, hrana_pixel, refbod, zdroj):
"vypocte koeficient vlivu terenu"
z_r = getattr(refbod, "z")
z_z = getattr(zdroj, "z")
if z_r > z_z:
profil_korekce = []
for vyska in profil:
if vyska > z_r:
vyska = z_r
elif vyska < z_z:
vyska = z_z
else:
vyska = vyska
profil_korekce.append(float(vyska-z_z))
krok_dmt = []
i = 0
for i in range(len(profil)):
#i += hrana_pixel
krok_dmt.append(float((i+1)*hrana_pixel))
#obsah_krivka = integrate.simps(profil_korekce, krok_dmt)
#print profil_korekce
#print krok_dmt
#print obsah_krivka
#print hrana_pixel
#TODO - udelat spravnou integraci - takto je to dost nepresene, mozna pouzit tu z scipy - proste jen prepsat
b = sum(profil_korekce)
obsah_krivka = b * 0.9 * hrana_pixel
#print obsah_krivka
theta = (1/(x*(z_r - z_z)))*obsah_krivka
if theta < 0:
theta = 0
else:
theta = 0.0
return theta
def vypocti_prach(self,prach,x_l,u_h1,z_,z__,z___,h1,sigma_z,theta):
ro = 1.3
v = (15*(10**(-6)))
g = 9.81
c_2 = 0.8
c_3 = 0.6
prach_suma = 0
for p in prach:
prumer = p[0]*(10**(-6))
hustota = p[1]
alfa_p = p[2]
v_gi = ( (-(3*math.pi*v)/(2*c_3*prumer)) +
math.sqrt((((3*math.pi*v)/(2*c_3*prumer))**2)+
((c_2*hustota*g*prumer)/(c_3*ro))) )
h_gi = (x_l*v_gi)/u_h1
prach_suma += (alfa_p/100.0)*(( math.exp(-(((z_ - (h1-h_gi))**2)/
(2*(sigma_z**2))) )) + ( (1.0-theta) *
math.exp( -(((z__ + h1+h_gi)**2)/
(2*(sigma_z**2))) )) +
(theta*math.exp( -(((z___ + (h1+h_gi))
**2)/2*(sigma_z**2)))))
return prach_suma
def get_typ_latky(self, latka):
plyny = ["sirovodik", "chlorovodik", "peroxid_vodiku", "dimetyl_sulfid",
"oxid_siricity", "oxid_dusnaty", "oxid_dusicity", "amoniak",
"sirouhlik", "formaldehyd", "oxid_dusny", "oxid_uhelnaty",
"oxid_uhlicity", "metan", "vyssi_uhlovodiky", "metyl_chlorid",
"karbonyl_sulfid"]
if plyny.count(latka)!= 0:
typ_latky = "plyn"
else:
typ_latky = "prach"
return typ_latky
# "hlavni metoda - vypocet znecisteni"
def vypocti_koncentraci(self, status, progress, typ_vypocet, latka, refbody, zdroje,
teren, vetrna_ruzice,
imise_limit, vyska_l, vyska_body):
refbody_local = refbody.get_ref_body()
zdroje_local = sorted(zdroje.get_zdroje(),
key=lambda zdroj:getattr(zdroj, "rel_rocni_vyuziti"),
reverse=True)
if typ_vypocet == 2 or typ_vypocet == 3:
vetrna_ruzice_local = vetrna_ruzice.get_vetrna_ruzice()
typ_latka = self.get_typ_latky(latka)
azimuty = self.vypocti_azimuty(refbody_local, zdroje_local)
if teren != None:
vysky = teren.vypocti_vysky(refbody_local, zdroje_local)
profily = vysky[0]
max_vysky = vysky[1]
hrana_pixel = teren.get_hrana_pixel()
progress.setMinimum(0)
progress.setMaximum(len(refbody_local)-1)
for k in range(len(refbody_local)):
# pro kazdy ref.bod
progress.setValue(k)
QCoreApplication.processEvents()
r = refbody_local[k]
doby_tridy = []
c_tridy = []
c_tridy_vyber = []
for j in range(len(self.tridni_konstanty)):
# pro kazdou rozptylovou podminku j (rychlost a smer vetru)
trida_stability = self.tridni_konstanty[j]["trida"]
exp_p = self.tridni_konstanty[j]["exp_p"]
a_y = self.tridni_konstanty[j]["a_y"]
b_y = self.tridni_konstanty[j]["b_y"]
a_z = self.tridni_konstanty[j]["a_z"]
b_z = self.tridni_konstanty[j]["b_z"]
if typ_vypocet == 1:
if self.tridni_konstanty[j]["trida"] == 1:
rychlosti_vetru = [1.5,1.6,1.7,1.8,1.9,2.0]
elif self.tridni_konstanty[j]["trida"] == 2:
rychlosti_vetru = [1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3,
2.4,2.5,2.6,2.7,2.8,2.9,3.0,3.2,3.4,
3.6,3.8,4.0,4.2,4.4,4.6,4.8,5.0]
elif self.tridni_konstanty[j]["trida"] == 3:
rychlosti_vetru = [1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3,
2.4,2.5,2.6,2.7,2.8,2.9,3.0,3.2,3.4,
3.6,3.8,4.0,4.2,4.4,4.6,4.8,5.0,5.2,
5.4,5.6,5.8,6.0,6.2,6.4,6.6,6.8,7.0,
7.5,8.0,8.5,9.0,9.5,10.0,10.5,11.0,
11.5,12.0,12.5,13.0,13.5,14.0,14.5,
15.0]
elif self.tridni_konstanty[j]["trida"] == 4:
rychlosti_vetru = [1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3,
2.4,2.5,2.6,2.7,2.8,2.9,3.0,3.2,3.4,
3.6,3.8,4.0,4.2,4.4,4.6,4.8,5.0,5.2,
5.4,5.6,5.8,6.0,6.2,6.4,6.6,6.8,7.0,
7.5,8.0,8.5,9.0,9.5,10.0,10.5,11.0,
11.5,12.0,12.5,13.0,13.5,14.0,14.5,
15.0]
elif self.tridni_konstanty[j]["trida"] == 5:
rychlosti_vetru = [1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3,
2.4,2.5,2.6,2.7,2.8,2.9,3.0,3.2,3.4,
3.6,3.8,4.0,4.2,4.4,4.6,4.8,5.0]
else:
if self.tridni_konstanty[j]["trida"] == 1:
rychlosti_vetru = [1.7]
elif self.tridni_konstanty[j]["trida"] == 2:
rychlosti_vetru = [1.7,5.0]
elif self.tridni_konstanty[j]["trida"] == 3:
rychlosti_vetru = [1.7,5.0,11.0]
elif self.tridni_konstanty[j]["trida"] == 4:
rychlosti_vetru = [1.7,5.0,11.0]
elif self.tridni_konstanty[j]["trida"] == 5:
rychlosti_vetru = [1.7,5.0]
c_rychlosti = []
doby_rychlosti = []
for rychlost in rychlosti_vetru:
c_smery = []
doby_smery = []
for fi in range(0, 360):
# pro kazdy smer vetru
c_fi_j = 0
t_r_fi_j = 0
if typ_vypocet == 2 or typ_vypocet == 3:
if rychlost < 2.5:
if trida_stability == 1:
f_fi_j = vetrna_ruzice_local[0][fi]
elif trida_stability == 2:
f_fi_j = vetrna_ruzice_local[1][fi]
elif trida_stability == 3:
f_fi_j = vetrna_ruzice_local[3][fi]
elif trida_stability == 4:
f_fi_j = vetrna_ruzice_local[6][fi]
elif trida_stability == 5:
f_fi_j = vetrna_ruzice_local[9][fi]
elif rychlost >= 2.5 and rychlost < 7.5:
if trida_stability == 2:
f_fi_j = vetrna_ruzice_local[2][fi]
elif trida_stability == 3:
f_fi_j = vetrna_ruzice_local[4][fi]
elif trida_stability == 4:
f_fi_j = vetrna_ruzice_local[7][fi]
elif trida_stability == 5:
f_fi_j = vetrna_ruzice_local[10][fi]
elif rychlost >= 7.5:
if trida_stability == 3:
f_fi_j = vetrna_ruzice_local[5][fi]
elif trida_stability == 4:
f_fi_j = vetrna_ruzice_local[8][fi]
for i in range(len(zdroje_local)):
# pro kazdy zdroj
z = zdroje_local[i]
azimut = azimuty[i][k]
if teren != None:
max_vyska = max_vysky[i][k]
else:
max_vyska = vyska_body
x = math.sqrt((((getattr(z, "x")-
getattr(r, "x"))**2) +
((getattr(z, "y") -
getattr(r, "y"))**2)) )
efekt_vyska_zdroje = self.vypocti_h_h1(z,
r, rychlost, exp_p,
self.tridni_konstanty[j]["k_s"],
self.tridni_konstanty[j]["k_m"],
self.tridni_konstanty[j]["epsilon_koef"],
max_vyska, x)
h = efekt_vyska_zdroje[0]
h1 = efekt_vyska_zdroje[1]
azimut_korekce = azimut-((h1-10.0)/25.0)
if h > 10:
fi_h = fi + ((h-10)/25.0)
else:
fi_h = fi
if fi_h > 360:
fi_h = fi_h - 360
lambda_koef = abs(fi_h - azimut)
if lambda_koef > 90 or lambda_koef < (-90):
lambda_koef_temp = 0
else:
lambda_koef_temp = lambda_koef
x_l = x*math.cos(math.radians(lambda_koef_temp))
y_l = x*math.sin(math.radians(lambda_koef_temp))
if lambda_koef <= 20 or lambda_koef >= 340:
if teren != None:
profil = profily[i][k]
u_h1 = self.vypocti_uh1(h1,
rychlost, exp_p)
if typ_latka == "prach":
prach = getattr(z, "prach")
m = getattr(z, "mnozstvi_latky")
sigma_y = a_y * (x_l**b_y)
sigma_z = a_z * (x_l**b_z)
if typ_latka == "plyn":
ku = self.koef_odstranovani[latka]
kh = self.vypocti_kh(
trida_stability, rychlost, h1, z, r)
list_z = self.vypocti_vertikal_sourad(r, z, h1,
vyska_l)
z_ = list_z[0]
z__ = list_z[1]
z___ = list_z[2]
vs = getattr(z, "objem_spalin")
if teren != None:
theta = self.vypocti_theta(x, profil,
hrana_pixel, r,
z)
else:
theta = 0
if typ_vypocet == 2 or typ_vypocet == 3:
alfa = getattr(z, "rel_rocni_vyuziti")
if typ_latka == "plyn":
c_i_fi_j = ( ((10.0**6.0*m)/
((2*math.pi*sigma_y*sigma_z*u_h1)+vs)) *
math.exp( (-(y_l)**2)/(2*(sigma_y**2)) ) *
math.exp( (-ku)*(x_l/u_h1) ) * kh *
(( math.exp(-(((z_ - h1)**2)/
(2*(sigma_z**2))) )) + ( (1.0-theta) *
math.exp( -(((z__ + h1)**2)/
(2*(sigma_z**2))) )) +
(theta*math.exp( -(((z___ + h1)**2)/
2*(sigma_z**2))))) )
elif typ_latka == "prach":
c_i_fi_j = ( ((10.0**6.0*m)/
((2*math.pi*sigma_y*sigma_z*u_h1)+vs)) *
math.exp( (-(y_l)**2)/(2*(sigma_y**2)) ) *
kh * self.vypocti_prach(prach, x_l, u_h1,
z_, z__, z___, h1,
sigma_z, theta) )
if typ_vypocet == 1:
c_fi_j = c_fi_j + c_i_fi_j
elif typ_vypocet == 2:
c_fi_j = c_fi_j + (c_i_fi_j*alfa)
elif typ_vypocet == 3:
if c_fi_j > imise_limit:
t_r_i_fi_j = alfa *f_fi_j
t_r_fi_j = t_r_fi_j + t_r_i_fi_j
if typ_vypocet == 1:
c_fi_j_data = [round(c_fi_j,6),trida_stability,
rychlost,fi]
c_smery.append(c_fi_j_data)
elif typ_vypocet == 2:
c_f_fi_j = c_fi_j * f_fi_j
c_smery.append(c_f_fi_j)
elif typ_vypocet == 3:
doby_smery.append(t_r_fi_j)
if typ_vypocet == 1:
c_rychlosti.append(max(c_smery))
elif typ_vypocet == 2:
c_rychlosti.append(sum(c_smery))
elif typ_vypocet == 3:
doby_rychlosti.append(sum(doby_smery))
if typ_vypocet == 1:
if trida_stability == 1 and rychlost == 1.7:
c_tridy_vyber.append(max(c_smery))
elif (trida_stability == 2 and rychlost == 1.7 or
rychlost == 5.0):
c_tridy_vyber.append(max(c_smery))
elif (trida_stability == 3 and rychlost == 1.7 or
rychlost == 5.0 or rychlost == 11.0):
c_tridy_vyber.append(max(c_smery))
elif (trida_stability == 4 and rychlost == 1.7 or
rychlost == 5.0 or rychlost == 11.0):
c_tridy_vyber.append(max(c_smery))
elif (trida_stability == 5 and rychlost == 1.7 or
rychlost == 5.0):
c_tridy_vyber.append(max(c_smery))
if typ_vypocet == 1:
c_tridy.append(max(c_rychlosti))
elif typ_vypocet == 2:
c_tridy.append(sum(c_rychlosti))
elif typ_vypocet == 3:
doby_tridy.append(sum(doby_rychlosti))
if typ_vypocet == 1:
c_max_total = max(c_tridy)
elif typ_vypocet == 2:
c_prum = round(sum(c_tridy),6)
elif typ_vypocet == 3:
doba_prekroceni = 8760*sum(doby_tridy)
vysledek = Vysledek()
if typ_vypocet == 1:
vysledek.typ_max(k, getattr(r, "x"), getattr(r, "y"),
c_tridy_vyber, c_max_total)
elif typ_vypocet == 2:
vysledek.typ_prum(k, getattr(r, "x"), getattr(r, "y"),
c_prum)
elif typ_vypocet == 3:
vysledek.typ_doba(k, getattr(r, "x"), getattr(r, "y"),
round(doba_prekroceni,3))
self.db_vysledky.zapis_vysledek(vysledek)
def export(self, typ_vysledky, typ_export, soubor):
self.db_vysledky.export(typ_vysledky, typ_export, soubor)
def get_vysledky(self):
return self.db_vysledky.get_vysledky()
def vypis_vysledky(self,typ_vysledky):
self.db_vysledky.vypis_vysledky(typ_vysledky)
def main():
pass
if __name__ == '__main__':
main()