DHE – Detector Head Electronics
9
2006 Oct. 19 DES Project -- Vaidas Simaitis, University of Illinois 1 DHE – Detector Head Electronics Monsoon 80mm Crate Air Flow
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DHE – Detector Head Electronics. Monsoon 80mm Crate Air Flow. Crate Parts. 60mm FAN (x2) on MAIN PLENUM (at both ends, only this end shown here). HEAT EXCHANGERS connect in series with ¼” copper tube. FAN power supply is in the middle (at both ends). - PowerPoint PPT Presentation
Transcript of DHE – Detector Head Electronics
2006 Oct. 19 DES Project -- Vaidas Simaitis, University of Illinois 1
DHE – Detector Head Electronics
Monsoon 80mm
Crate Air Flow
2006 Oct. 19 DES Project -- Vaidas Simaitis, University of Illinois 2
Crate Parts
HEAT EXCHANGER on CHILLER PLENUM (one at each end of main MONSOON cards)
92mm FAN (x2) on FAN PLENUM (one at each end of transition cards)
TRANSITION CARDS (8) (6U x 80mm)
MONSOON CARDS (10) plug in on this side (6U x 160mm Eurocards)
60mm FAN (x2) on MAIN PLENUM (at both ends, only this end shown here)
FAN power supply is in the middle (at both ends)
HEAT EXCHANGERS connect in series with ¼” copper tube
2006 Oct. 19 DES Project -- Vaidas Simaitis, University of Illinois 3
Crate (without shield)
VICOR power supply with built-in 80mm fan, 30cfm listed, pressure drop unknown (x2)
MAIN PLENUM
POWER SUPPLY PLENUM
2006 Oct. 19 DES Project -- Vaidas Simaitis, University of Illinois 4
Air Flow Diagram
MONSOON TRANSITION CARDS
MONSOON MAIN MODULES
COLD WATER HEAT EXCH
COLD WATER HEAT EXCH
FAN 92 mm
FAN 92 mm
FAN 92 mm
FAN 92 mm
VICOR PS
VICOR PS
120 CFM120 CFM
60 CFM
60 CFM
30 CFM
30
30
FAN 60 mm
FAN 60 mm
FAN PS FAN PS FAN 60 mm
FAN 60 mm
80 mm built in
80 mm built in
120 CFM
CO
LD
PL
EN
UM
FA
N P
LE
NU
M
FA
N P
LE
NU
M
CO
LD
PL
EN
UM
3030
30 CFM
30 CFM
30 CFM
3030
30
30
120 CFM
MAIN PLENUM 1
MAIN PLENUM 2
PWR SUPPLY PLENUM
2006 Oct. 19 DES Project -- Vaidas Simaitis, University of Illinois 5
Heat Exchanger Air Side Pressure Drop
For the target of 120 CFM air flow, the pressure drop is about 0.36 inches of water
The design uses a Lytron M05-050 heat exchanger
2006 Oct. 19 DES Project -- Vaidas Simaitis, University of Illinois 6
Air Pressure Diagram
MONSOON TRANSITION CARDS
~ -0.04”
MONSOON MAIN MODULES
~ -0.04”
COLD WATER HEAT EXCH
-0.36”
COLD WATER HEAT EXCH
-0.36”
FAN +0.40”
FAN +0.40”
FAN +0.40”
FAN +0.40”
VICOR PS
VICOR PS
120 CFM120 CFM
60 CFM
60 CFM
30 CFM
30
30
FAN +0.38”
FAN +0.38”
FAN PS FAN PS FAN +0.38”
FAN +0.38”
80 mm built in
80 mm built in
120 CFM
CO
LD
PL
EN
UM
FA
N P
LE
NU
M
FA
N P
LE
NU
M
CO
LD
PL
EN
UM
3030
30 CFM
30 CFM
30 CFM
3030
30
30
120 CFM
MAIN PLENUM 1
MAIN PLENUM 2
PWR SUPPLY PLENUM
+0.02” -0.02”
-0.38” H2O
+0.38” H2O
-0.00” H2O ?
+0.02”-0.02”
PRESSURE DROP PRESUMED = 0
2006 Oct. 19 DES Project -- Vaidas Simaitis, University of Illinois 7
92 mm FAN Requirements
92mm FANS must do 0.40” H2O @ 30 CFM
FFB0924SHE should work
If necessary, FFB0924EHE works up to 0.48”
2006 Oct. 19 DES Project -- Vaidas Simaitis, University of Illinois 8
60 mm FANS must do 0.38” H2O @ 30 CFM
FFB0624SHE should work
If necessary, FFB0624EHE ok to 0.48”
60 mm FAN Requirements
2006 Oct. 19 DES Project -- Vaidas Simaitis, University of Illinois 9
92 & 60 mm DELTA fans available
92 mm
60 mm
