QC QC ()labo4/www/thesis-top.files/12_m/li.pdf · qQQQQQQ=( , ,, ,, )T 01 02 10 20 12 21 kV dC dt...

4
t s C i i m /m V i i m m i i m /s Q ij i j m /s i N j N N δ ij Kronecker ij i j i S i V i i ji j ij j N ij i ij j N dC dt QC QC = ( ) { } ( ) { } = = 1 1 0 0 δ δ + m i S Q Q i ji ij j N ij ij j N = ( ) = ( ) = = 1 1 0 0 δ δ

Transcript of QC QC ()labo4/www/thesis-top.files/12_m/li.pdf · qQQQQQQ=( , ,, ,, )T 01 02 10 20 12 21 kV dC dt...

t s Ci i m /m Vii m mi i

m /s Qij i j m /si N j N

N δij Kroneckeri j i j

i Si

Vii

ji j ijj

N

ij i ijj

NdCdt

Q C Q C= −( ){ }⎡

⎣⎢

⎦⎥ − −( ){ }⎡

⎣⎢

⎦= =∑ ∑1 1

0 0δ δ ⎥⎥ +mi

S Q Qi ji ijj

N

ij ijj

N

= −( ) = −( )= =

∑ ∑1 10 0

δ δ

t m /m Δts Δt= s

Q21

q Q Q Q Q Q Q T= ( , , , , , )01 02 10 20 12 21

k V dCdt

m V dCdt

m V dCdt

m V dCdt

m T= + + + +( , , , , , , )0 0 11

1 22

2 11

1 22

2

cC C C C

C C C CC C C C

C

=

− −− −

− −− −

− −

1 0 1 0 1 10 1 0 1 1 1

0 00 0

0 00 0

0 1 1 2

0 2 1 2

0 1 1 2

0 −− −

⎢⎢⎢⎢⎢⎢⎢⎢

⎥⎥⎥⎥⎥⎥⎥⎥C C C2 1 2

cx k=

x c k= −1

C V C Viti i

t ti ji j

t tij

j

N

ij it t

ijQ C Q C= + −( )⎧⎨⎩

⎫⎬⎭

− −(− −

=

−∑∆ ∆ ∆1 10

δ δ ))⎧⎨⎩

⎫⎬⎭

+⎡

⎣⎢⎢

⎦⎥⎥=

∑j

N

im t0

Cit

Fig.1 2-Zone Airfl ow Model

Q01

Q10

Q12 Q20

Q02

V1= m

C1m1

V2= m

C2m2

Table3 Gas Injection Pattern [m /s]

Table1 True Ventilation Rates [m /s]

Table2 Initial Concentation [ppm]

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

T=10

T=20

T=30

T=40

T=50

T=60

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 50%

5%

10%

15%

20%

25%

0 1 2 3 4 5

0%

5%

10%

15%

20%

25%

0 1 2 3 4 5

T=10

T=20

T=30

T=40

T=50

T=60

erro

r rat

ion

of

vent

ilatio

n ra

te

initi

al c

once

ntra

tion

patte

rn A

Fig.2 Error Ratio of Ventilation Rate with Concentration Decay Method

erro

r rat

ion

of

vent

ilatio

n ra

te

erro

r rat

ion

of

vent

ilatio

n ra

te

initi

al c

once

ntra

tion

patte

rn B

initi

al c

once

ntra

tion

patte

rn C

ventilation rate pattern 1 ventilation rate pattern 2 ventilation rate pattern 3

Inje

ctio

n pa

ttern①

Inje

ctio

n pa

ttern

②In

ject

ion

patte

rn ③

Fig.3 Error Ratio of Ventilation Rate with Constant Injection Method

0%

5%

10%

15%

20%

25%

0 1 2 3 4 50%

5%

10%

15%

20%

25%

0 1 2 3 4 50%

5%

10%

15%

20%

25%

0 1 2 3 4 50%

5%

10%

15%

20%

25%

0 1 2 3 4 5

erro

r rat

ion

of

vent

ilatio

n ra

te

Fig.4 Error Ratio of Ventilation Rate with Concentration Decay Method and Constant Injection Methodconcentration error [ppm]concentration error [ppm]concentration error [ppm] concentration error [ppm]

No Inverse

Matrix

concentration error [ppm]concentration error [ppm]concentration error [ppm]

No Inverse

Matrix

erro

r rat

ion

of

vent

ilatio

n ra

te

erro

r rat

ion

of

vent

ilatio

n ra

te

erro

r rat

ion

of

vent

ilatio

n ra

te

ventilation rate pattern 1 ventilation rate pattern 2 ventilation rate pattern 3

concentration error [ppm]concentration error [ppm]concentration error [ppm]

0

200

400

600

800

1000

1200

0 50 100 150 200 250 300 350 4000

200

400

600

800

1000

1200

0 50 100 150 200 250 300 350 4000

200

400

600

800

1000

1200

0 50 100 150 200 250 300 350 4000

200

400

600

800

1000

1200

0 50 100 150 200 250 300 350 400

0%

5%

10%

15%

20%

25%

0 1 2 3 4 50%

5%

10%

15%

20%

25%

0 1 2 3 4 50%

5%

10%

15%

20%

25%

0 1 2 3 4 50%

5%

10%

15%

20%

25%

0 1 2 3 4 5

erro

r rat

io o

f

vent

ilatio

n ra

te

concentration

[ppm]

time [s] time [s] time [s]time [s]

concentration error [ppm] concentration error [ppm] concentration error [ppm] concentration error [ppm]

Fig.5 Concentration Sampling Time and Ventilation Error Ratio in CaseA-2

t1=1/2n=100st2=1/n=200s

C1

C2

t1=50st2=100s

t1=200s t2=250s

t1=50s

t2=250s

T=10 T=20 T=30 T=40 T=50 T=60

0

100

200

300

400

500

600

700

800

900

1000

0 50 100 150 200 250 300 350 4000

100

200

300

400

500

600

700

800

900

1000

0 50 100 150 200 250 300 350 4000

100

200

300

400

500

600

700

800

900

1000

0 50 100 150 200 250 300 350 4000

100

200

300

400

500

600

700

800

900

1000

0 50 100 150 200 250 300 350 400

0%

5%

10%

15%

20%

25%

0 1 2 3 4 50%

5%

10%

15%

20%

25%

0 1 2 3 4 50%

5%

10%

15%

20%

25%

0 1 2 3 4 50%

5%

10%

15%

20%

25%

0 1 2 3 4 5

erro

r rat

io o

f

vent

ilatio

n ra

te

concentration

[ppm]

time [s] time [s] time [s]time [s]

concentration error [ppm] concentration error [ppm] concentration error [ppm] concentration error [ppm]

Fig.6 Concentration Sampling Time and Ventilation Error Ratio in Case① -2

T=10 T=20 T=30 T=40 T=50 T=60

t1=1/2n=100st2=1/n=200s

C2

C1

t1=50st2=100s

t1=200s t2=250s

t1=50s

t2=250s