대한기계학회 2003년도 춘계학술대회 논문집
Baffle
Orifice flow meter Screen Test Plate
with Naphthalene coated surface
Thermocouple Baffle
Orifice flow meter
Baffle Orifice flow meter
Honeycomb Screen
Blower 1
Honeycomb Effusion Plate Honeycomb Thermocouple Injection Plate
Blower 2 Screen
Heat Exchanger
Valve Valve
Heat Exchanger
420mm
Effusion hole Naph. coated surface
Crossflow
Injection hole Side wall
Side wall
300mm
x z
P P
Effusion plate Injection plate
Crossflow
2220
대한기계학회 2003년도 춘계학술대회 논문집
-6.0 -3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0 24.0
x/d
0 10 20 30 40
Sh
Re =6,130 (M=0.5) Re =12,270 (M=1.0) Turbulent flow for Re =6,130 Turbulent flow for Re =12,270 Laminar flow
Dh Dh
Dh Dh
2222
-3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0 0.0
1.5 3.0
z/d
30 45 60 75 90 105 120 135 150 165 180
-3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0
x/d
0.0 1.5 3.0
z/d
(b) z/d=0.0 (a) z/d=3.0
-6.0 -3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0 24.0
x/d
0 40 80 120 160 200
20 60 100 140 180 0 40 80 120 160 200
20 60 100 140 180
Sh
M=0.5 (MR=0.164) M=1.0 (MR=0.327) Crossflow only (M=1.0) (b) z/d=0.0
(b) z/d=0.0 (a) z/d=3.0 (a) z/d=3.0
대한기계학회 2003년도 춘계학술대회 논문집
-3.0 0.0 3.0 6.0 9.0 12.0 15.0 0.0
z/1.5
30 60 90 120
30 60 90 120
-3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0
x/d 0.0
1.5 3.0
z/d
30 60 90 120 150 180
30 60 90 120 150 180
-3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0
-3.0 -1.5 0.0 1.5 3.0
z/d
-3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0
-3.0 -1.5 0.0 1.5 3.0
z/d
30 60 90 120 150 180
-3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0
-3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0
0.0 1.5 3.0
z/d
30 60 90 120 150 180
30 60 90 120 150 180
-3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0
x/d 0.0
1.5 3.0
z/d
30 60 90 120 150 180
30 60 90 120 150 180
0 20 40 60 80 100 120 140 160 180
-6.0 -3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0 24.0
Sh
M=0.0 (Impingement/effusion only) M=0.5 (MR=0.164)
M=1.0 (MR=0.327)
M=0.0 (Impingement/effusion only) M=0.5 (MR=0.164)
M=1.0 (MR=0.327)
0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 6 0 1 8 0
- 6 .0 - 3 .0 0 .0 3 .0 6 .0 9 .0 1 2 .0 1 5 .0 1 8 .0 2 1 .0 2 4 .0
x / d Sh
M=0.0 (Impingement/effusion only) M=1.5 (MR=0.491)
M=2.0 (MR=0.654)
M=0.0 (Impingement/effusion only) M=1.5 (MR=0.491)
M=2.0 (MR=0.654) M=0.5 (MR=0.164) M=1.0 (MR=0.327) M=0.5 (MR=0.164) M=1.0 (MR=0.327)
0 20 40 60 80 100 120 140 160 180
-6.0 -3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0 24.0
S h
0 20 40 60 80 100 120 140 160 180
-6.0 -3.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0 24.0
x/d S h
M=0.0 (Impingement/effusion only) M=1.5 (MR=0.491)
M=2.0 (MR=0.654)
M=0.0 (Impingement/effusion only) M=1.5 (MR=0.491)
M=2.0 (MR=0.654)
2224
0.1 1.0 10.0
M
10 100
20 30 40 50 60 70 80 90
9 8 7 6 5
Sh
Crossflow only
Array jet impingement w/ crossflow Impingment/effusion w/ crossflow Impingment/effusion w/o Crossflow
대한기계학회 2003년도 춘계학술대회 논문집
2226
