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7/24/2019 Toxic Release and Dispersion Models-ppt (1)
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TOXIC RELEASE AND DISPERSIONMODELS(PELEPASAN RACUN DAN MODEL PENYEBARAN)
KELOMPOK 5
Afthar Reski (!!""#"!$#!)
Def% A%& Per'atasari (!!""#"!$5)Ri'a A'aia (!!""#"!$*+)
Sart,-, (!"""!*+)
U''& .itha-ah (!!"$#"!$"")
D,se- Pe'/i'/i-01 Dr2 Ir2 A/3&ah Saeh4M2S2
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Pratia a-3 P,te-tia
ReeasesSea'a keeakaa- 6eraata- 6r,ses3a6at 'ee6aska- /aha-7/aha- /era&-%a-0 sa-0at e6at2
Peah-%a e3aka- se/&ah 8esse kare-ateka-a- /ere/ih
Peah-%a 6i6a kare-a 'ateria 3i /a9ahteka-a- ti-00i
Peah-%a ta-0ki kare-a /aha- 3i atas titik3i3ih
Peah-%a kereta ata& tr&k seteah keeakaa-2
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Pratia a-3 P,te-tia
Reeases Me-0i3e-ti:kasi 3asar Desai- Pr,ses a6a 3i'a-a sit&asi 3a6at 'e-%e/a/ka-
se/&ah 6ee6asa-4 3a- %a-0 'er&6aka- sit&asi%a-0 6ai-0 /&r&k
S&'/er ',3e A6akah k,-3isi 6r,ses-%a 3a- a6a %a-0 aka-
ter;a3i 6a3a kea3aa- 6ee6asa- 3a- a;&6ee6asa-
M,3e 3is6ersi Me-00&-aka- k,-3isi %a-0 /erak& (ata& kas&s
ter/&r&k) 'e-e-t&ka- se/era6a ;a&h 'ateri/isa 'e-%e/ar
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Para'eter %a-0 'e'6e-0ar&hiDis6ersi At',sfer /aha- Bera&-
kee6ata- a-0i-4
sta/iitas at',sfer4 k,-3isi ta-ah (0e3&-04 air4 6,h,-)4
keti-00ia- 6ee6asa- 3i atas
6er'&kaa- ta-ah4 ','e-t&' 3a- 3a%a a6&-0 3ari /aha-
a9a %a-0 3ie6aska-2
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Ti6e M,3e Dis6ersi
M,3e P&'e 6a3a a9a-%a3ike'/a-0ka- &-t&k 3is6ersi 3ari se/&ah
er,/,-0 asa62 Daa' kea3aa- 3ar&rat ;ika a3a
ke/,,ra- 3i ta-0ki /esar 'aka 6&'e(ke6&a- asa6) 3a6at /erke'/a-02
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Ti6e M,3e Dis6ersi
M,3e P&< 3i0&-aka- ketika A-3a'e'iiki 3asar-%a 6ee6asa- seara
'e-3a3ak 3a- a9a- tersa6& 'ea9a-arah a-0i-2
Ti3ak a3a 6&'e %a-0 si0-i:ka-/erke'/a-02
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M,3e Dis6ersi Pas=&i7>i
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M,3e Dis6ersi Pas=&i7>i
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M,3e Dis6ersi Pas=&i7>i
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M,3e Dis6ersi Pas=&i7>i
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M,3e Dis6ersi Pas=&i7
>i
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P&'e M,3e Dis6ersi,-C,eie-ts
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P&< M,3e Dis6ersi,- C,eie-ts
10 10
10 10
10 10
10 10
10
log 0.84403 0.992014 log ( )
log 0.006425 0.297817log ( )
log 1.67141 0.892679 log ( )
log 0.27995 0.72802 log ( )
log 0.8174 0.
x y
y
y
y
z
z
Unstable x
Neutral x
Stable x
Unstable x
Neutral
=
> = +
> = +
> = +
> = + > = + 10
10 10
698592 log ( )
log 1.33593 0.605493log ( )z
x
Stable x > = +
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P&'e M,3e
Me-0as&'sika- 6&'e teah/erke'/a-0 'aka ter;a3i ter&s7'e-er&s2 De-0a- 3e'ikia- ti3ak a3a
@k,e:sie- 3is6ersi@4 4 3i arah aira-(arah a-0i-)
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P&'e M,3e
Persa'aa- 57*+ 'ee-0ka6i 6&'e ',3e
Da6at 'e-%e3erha-aka- ses&aike/&t&ha-
2
2 2
1( , , ) exp
2 2
1 1exp exp
2 2
m
y z y
z z
Q yC x y z
u
z Hr z Hr
< > =
+ +
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P&'e M,3e
Istiah Aasa- 3&&3aa' eks6resi
a3aah /ah9ase/a0ai ke6&a-0as terse/ar 6a3aakhir-%a A-3a
'e-3a6atka-re?eksi ke'/ai3ari ta-ah
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P&'e M,3e
7Pe-%e3erha-aa-ika A-3a 6artike ata& ses&at& %a-0aka- /ereaksi 3e-0a- ta-ah4 'akaA-3a 'e-0ha6&s @re?eksi@ istiah
2
2
1( , , ) exp
2 2
1exp
2
m
y z y
z
Q yC x y z
u
z Hr
< > =
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P&'e M,3e 7
Pe-%e3erha-aa-ika s&'/er A-3a 3i 6er'&kaa- ta-ahFr a3aah -,2 Perhatika- 3&a istiah'e-a'/ah 3&a2 Fasi 3aa' Pers2 57
*G
2 2
2 2
1( , , ) exp
2
m
y z y z
Q y zC x y z
u
< > = +
D
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P&< M,3e H P&< 3i
keti-00ia- Fr Pers2 575# 'e-00a'/arka- 3is6ersi2
32
2 2
2
1( , , ) exp
2(2 )
1 1exp exp
2 2
1exp
2
m
y
x y z
z z
x
Q yC x y z
z Hr z Hr
x ut
< > =
+ +
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P&< M,3e 7Pe-%e3erha-aa- S&'/er 3ari 6er'&kaa- ta-ah2 6ers2 57
!#
22 2
32
1( , , ) exp
22
m
x y zx y z
Q x ut y z C x y z
< > = + +
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P&< M,3e7Pe-%e3erha-aa-
Me-0k,,r3i-asika- siste' /er0erakse6a-;a-0 3e-0a- 6& =
+ +
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I-te0rate3 D,sis
Ketika sese,ra-0 /er3iri 3i ,kasi %a-0teta6 3a- ke6&a- 'ee9ati4 3ia 3ia'e-eri'a 3,sis %a-0 9akt& %a-0
ti3ak ter6isahka- 3ari k,-se-trasi2
0
( , , ) ( , , , )tidD x y z C x y z t dt
= < >
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I-te0rate3 D,sis
U-t&k ,ra-0 3i ta-ah 6a3a ;arak %i-tas a-0i-4 Pers2 57*!
U-t&k ,ra-0 3i ta-ah 3i te-0ah aira-4Pers2 57**
2
2
1( , ,0) exp
2
m
tidy z y
Q yD x y
u
=
( ,0,0) mtidy z
QD xu
=
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Is,6eths Se/&ah is,6eth a3aah 6er'&kaa- ti0a
3i'e-si k,-se-trasi k,-sta-2
Dihit&-0 3e-0a-1
Te-t&ka- 3ii-0i-ka- JC 3ii-0i-ka-4 & 3a- t Cari k,-se-trasi se6a-;a-0 s&'/& 6a3a
saat it& t JC (4 44 t) &-t&k 'e-e-t&ka-/atas7/atas 3a- se6a-;a-0 titik te-0ah
Pa3a setia6 titik %a-0 aka- 3ie8a&asi'e-e'&ka- % 'e-00&-aka- 6ersa'aa-57*52
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Is,6eths
Persa'aa- 57*5 e/ih 'as&k aka ;ikaA-3a 'e-&is se/a0ai /erik&t
( ,0,0, )2 ln
( , , 0, )centerline
y
desired
C x ty
C x y t
< >= < >
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Is,6eths
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Per/a-3i-0a- P&'e P&