ams-ttcs status reportttcs status report
TRANSCRIPT
Tracker Thermal Control System
AMS TTCS Status ReportAMS-TTCS Status ReportAMS TIM ti CERN M 9th 2009AMS-TIM meeting, CERN, May 9th, 2009
ZH HeZH He
On behalf of SYSU team:
ZC Huang, TX Li, SS Lu, DC Mo, XM Qi, XH Sun, GL TongZX. Wang, YC Zhang, Z Zhang, JP Zhou.
2009年8月31日星期一 1
Tracker Thermal Control System
O tliO tliOutlineOutline
• TTCB Functional Check SupportsTTCS i l ti f TVT t t• TTCS simulation for TVT test
• TTCS EM Operation Test in the CaseTTCS EM Operation Test in the Case of Extreme hot or cold USS
• Preparation for the TTCB QM Test• Documents• Documents
2009年8月31日星期一 2
Tracker Thermal Control System
TTCB Functional Check SupportsTTCB Functional Check Supports
• Sun Xihui in AIDC for TTCB FM1 & FM2, twice
• Zhang Zhan in SERMS• Zhang Zhan in SERMS • More are ready in plan to CERN and ESTEC, y p ,
after TTCB QM functional test in Zhuhai
Tracker Thermal Control System
Tracker Thermal Control System
TTCS i l ti f TVT t tTTCS i l ti f TVT t tTTCS simulation for TVT testTTCS simulation for TVT test
Boundary Condition for RadiatorsBoundary Condition for RadiatorsTracker Thermal Control System
yy
-86 4℃ 87 4℃ f
-87.1℃
86.4℃ -87.4℃ Input from Serena
TTCS running at the set-i t f 15C
-85.9℃point of -15C
With heat load of 144W
-85.0℃
-86.4℃
-85.7℃
-86.8℃
SINDA/SINDA/FluintFluint ModelModelTracker Thermal Control System
Setpoint=258K:Model: TTCS_V1.1
Mass flo ate 2g/sSetpoint=258K: Mass flow rate: 2g/s
Tracker Thermal Control System
Results: Temperatures in the LoopResults: Temperatures in the LoopResults: Temperatures in the LoopResults: Temperatures in the Loop
Th t i t i 258K• The set-point is 258K.• The pump_in temperature is always higher than 246K, and the cold orbit heat won’t
be on.
Results: Temperatures and quality in the loopResults: Temperatures and quality in the loopTracker Thermal Control System
p q y pp q y p
Setpoint=258K:
T HX liquid out: 257.4K
T_accumulator: 258KSetpoint=258K:
T_HX_liquid_out: 257.4K
T_HX_liquid_in: 249.6K
T_Pump_in: 248.1K
XL HX two-phase in:0.21 XL HX two-phase out:0.15XL_HX_two phase_in:0.21 XL_HX_two phase_out:0.15
Tracker Thermal Control System
S f T t Di t ib tiS f T t Di t ib tiSummary of Temperature DistributionSummary of Temperature DistributionTab1: Temperatures of hybrids
Setpoint hybrids 1 hybrids 2 hybrids 3 hybrids 4 hybrids 5 hybrids 6 hybrids 7 hybrids 8258K 259.9 262.6 264 265.9 265.9 264 262.6 259.9
268K 269.4 272 273.2 274.8 274.8 273.2 272 269.4
Tab1: Temperatures of hybrids
Tab2: Temperatures of TTCB component
Setpoint (T_Acc)T4100
(T_HX) T4200
(T_pumpA) T4300
(T_pumpA_inside)T4349
(T_pumpB) T4350
(T_vavle1&2) T4400
(T_vavle3&4) T4450
(T_APS) T4500
(T_DPS) T4600
(T_OHP) T4700
(T_pumpEL)T4800
(T_preHeaterA) T4900
(T_preHeaterB) T4950
258K 257 7 256 8 253 250 4 249 9 248 7 248 7 252 9 252 7 257 9 263 6 256 1 256 1258K 257.7 256.8 253 250.4 249.9 248.7 248.7 252.9 252.7 257.9 263.6 256.1 256.1
268K 267.4 265.5 254.1 251.4 251.2 249.6 249.7 257.5 257.5 267.7 268.4 282.2 282.2
b3
SetpointT_pump_In
T_subcooling
T_HX_liq_in
T_HX_liq_out
T_cds_out_ram
T_cds_out_wake
T_UssQ_bot_preH
Q_top_preH
Q_uss2ttcb
Q_P4cold
Tab3: Loop status
258K 248.1 9.6 249.6 257.4 247.6 248.1 241.9 0 0 -4.6 0
268K 248.7 19.2 251.3 266.5 248.1 248.7 241.9 8 8 -7.1 0
Tracker Thermal Control System
Conclusion (draft)Conclusion (draft)Conclusion (draft)Conclusion (draft)• TTCS functions properly in the condition ofTTCS functions properly in the condition of
TVT test in ESTEC, with set-point temperature = 15C.
2009年8月31日星期一 11
Tracker Thermal Control System
TTCS EM O ti T t i thTTCS EM O ti T t i thTTCS EM Operation Test in the TTCS EM Operation Test in the Case of Extreme hot or cold USSCase of Extreme hot or cold USSCase of Extreme hot or cold USSCase of Extreme hot or cold USS
Tracker Thermal Control System
Test ObjectiveTest ObjectiveTest ObjectiveTest Objective• Checking the temperature response of the TTCS EM
components for verification, while:• T = 50℃TUSS 50℃• TUSS = -40℃
Main DifferenceMain Difference
TTCB EM washers:
USSepoxy resin (0.3W/mK)
TTCB QM washers:
13Ti6Al4V (7.2W/mK)
Test set up in horizontal layoutTest set up in horizontal layoutTracker Thermal Control System
p yp y
TEST FacilitiesTEST Facilities
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Tracker Thermal Control System
Locations of ThermocouplesLocations of ThermocouplesLocations of ThermocouplesLocations of Thermocouples
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Tracker Thermal Control System
USS Temperature above 50USS Temperature above 50C for 90C for 90 minsminsUSS Temperature above 50USS Temperature above 50 C for 90 C for 90 minsminsCASE of high extreme USS temperature: (TUSS = 50 ℃)
Tw_chamber = 15 ℃;Tb_chamber = 5 ℃;
T = 15 ℃;Taccumulator = 15 ℃;
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Tracker Thermal Control System
Temperatures ofTemperatures of AccuAccu EvapEvap & Pump& PumpTemperatures of Temperatures of AccuAccu, , EvapEvap & Pump & Pump
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Tracker Thermal Control System
Temperatures of the BracketsTemperatures of the BracketsTemperatures of the BracketsTemperatures of the Brackets
APS d tAPS dry out
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Tracker Thermal Control System
USS Temperature below -30C for 90 minsUSS Temperature below -30 C for 90 mins
Cooled by Peltier elementsCooled by Peltier elements
CASE of low extreme USS CASE of low extreme USS temperature: (TUSS = -30 ℃)
Tw_chamber = -20 ℃;Tb_chamber = -25 ℃;T 15 ℃Taccumulator = -15 ℃;
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Tracker Thermal Control System
Temperatures ofTemperatures of AccuAccu EvapEvap & Pump& PumpTemperatures of Temperatures of AccuAccu, , EvapEvap & Pump & Pump
20
Tracker Thermal Control System
Temperatures of the BracketsTemperatures of the BracketsTemperatures of the BracketsTemperatures of the Brackets
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Tracker Thermal Control System
Reconstruction of Temperature Response Reconstruction of Temperature Response p pp pfor the QM by simulationfor the QM by simulation
Si lifi d M d l• Simplified ModelDPS APS HXDPS APS HX
RHX2BP=3.7K/WRAPS2BP=8.3K/W
DPS APS HX
BP
RDPSBP=8.3K/WRHX2BP=6.6K/WRAPS2BP=37.4K/WRDPSBP=37.4K/W
RUSS2BP=0.8K/W RAccu2BP=4.2K/WBP
R 3 3K/W R 18 9K/W
USS Tset
RUSS2BP=3.3K/W RAccu2BP=18.9K/W
USS Tset
Tracker Thermal Control System
Simplified SINDA/Simplified SINDA/FluintFluint Model with BracketsModel with BracketsS p ed S /S p ed S / u tu t ode t ac etsode t ac ets
Preliminary Simulation Results for TTCB EM Preliminary Simulation Results for TTCB EM Tracker Thermal Control Systemfor USS temperature = 50for USS temperature = 50CC
Temperatures of Component brackets
TAPS=3K
TDPS=1.5K
TAPS=5K
TDPS=3.5K
Convection should have enhanced the thermal conductance
Preliminary Simulation Results for TTCB QMPreliminary Simulation Results for TTCB QMTracker Thermal Control Systemfor USS temperature = 50for USS temperature = 50CC
Temperatures of Component brackets
TAPS=8+12(K)
USS takes 1.5hrs to get 50C from 15 C, and stay
35CAPS ( )
TDPS=4+9(K)at 50C for 1.5 hrs
28C
Preliminary Simulation Results for TTCB EM Preliminary Simulation Results for TTCB EM Tracker Thermal Control Systemfor USS temperature = for USS temperature = 3030CC
Temperatures of Component brackets
TAPS= 1.8K
TAPS=5K
TDPS= 4.5K
TDPS= 1K
Preliminary Simulation Results for TTCB QMPreliminary Simulation Results for TTCB QMTracker Thermal Control Systemfor USS temperature = for USS temperature = 3030CC
Temperatures of Component brackets
23C
TAPS= 5 8(K)USS takes 1 5hrs to get
TDPS= 2 6(K)USS takes 1.5hrs to get 30C from 15 C, and stay at 30C for 1.5 hrs 28C
Tracker Thermal Control System
Conclusion (draft)Conclusion (draft)Conclusion (draft)Conclusion (draft)TTCS ll h USS• TTCS system runs normally even at the USS temperature up to +50C, or down to 30C for more than 1.5 hours.
• The fastest respond component is APS the bracketThe fastest respond component is APS, the bracket temperature of which can go up to +35C , or down to 28C in 1 5 hours after simulation revisionto 28C in 1.5 hours, after simulation revision.
• Extension down to 40C will be done and documented
Tracker Thermal Control System
Preparation for the TTCB QM TestPreparation for the TTCB QM TestPreparation for the TTCB QM TestPreparation for the TTCB QM Test• TTCB QM Test Procedure (document draft
fi i h d)finished)• Test facilities
– TTCE and cables (to be delivered)– Power supply for TTCE (resolution of 0.01W, procured in owe supp y o C ( eso ut o o 0.0 W, p ocu ed
Zhuhai)• Frame to keep the TTCB in transportation frame theFrame to keep the TTCB in transportation frame the
same level as the TTCS system (being made)• EM pump installationEM pump installation • Thermal insulation of the TTCB
T b ( fi d)• Team members (confirmed)
Tracker Thermal Control System
TTCB QM Test ProcedureTTCB QM Test ProcedureTTCB QM Test ProcedureTTCB QM Test ProcedureCleaning RoomCleaning RoomWalk-in Climate Chamber
TTCS 2nd loop
Power Power supplysupply
TTCB TTCE TTCE TTCBQM FSFS EPPEPP--CANCAN
DASDAS Linux PCLinux PC
For monitoring the system For commanding and reading
Tracker Thermal Control System
Performance Test items and RequirementsPerformance Test items and RequirementsPerformance Test items and RequirementsPerformance Test items and Requirements1. Check accumulator heaters control2. Check accumulator Peltier elements control3 Check pump control3. Check pump control4. Check heaters and component power consumption
Ch k h d diff d (30005. Check the pressure drop at different pump speeds (3000, 5000, 7500, 10000 rpm)
6. Switch on/off Star Tracker simulator completely and partly7. Switch on/off pre-heaters8. Switch on/off start-up heater9 Switch on/off cold orbit heater9. Switch on/off cold orbit heater
2009年8月31日星期一 31
Tracker Thermal Control System
Performance Test items and RequirementsPerformance Test items and RequirementsPerformance Test items and RequirementsPerformance Test items and Requirements10. Perform pump start-up test in vapor phasep p p p p11. Perform control parameter sensitivity checking12. Perform health guard check pre-heater overheatingg p g13. Perform health guard check non-operating pump (heaters should
not switch on or switch off)14. Perform TS (thermostat) functional check on cold-orbit heater15. Perform TS (thermostat) functional check on start-up heater16. Perform TS (thermostat) functional check Peltiers element17. Perform TS (thermostat) functional check on accumulator wire
heaters18. Switch between the TTCE-A and the TTCE-B
2009年8月31日星期一 32
Preparation and Performing TTCB QM Preparation and Performing TTCB QM Tracker Thermal Control SystemPerformance TestPerformance Test
TiStep Items Time estimated
1 The TTCB QM for in coming checking 1days1 The TTCB QM for in-coming checking 1days
2 Connect the TTCB QM into the TTCS EM secondary loop 2 days
3 Leak test according to RD-6 1 days3 Leak test according to RD-6 1 days
4 Insulating the TTCB QM and tube connection 1 days
5 Filling CO2 with required mass and sealing the loop 2 days5 g 2 q g p y
6 Get used to TTCE software for the test engineers 2 days
7Functional check of the loop, including sensor readings and allth t l f th t
5 days7 the control responses of the components
8 Function check of safeguard 1 days
C t l t iti it h ki 3 d9 Control parameter sensitivity checking 3 days
10 Disconnect the TTCB QM and package it 1days
total 19daystotal 19days
2009年8月31日星期一 33
Tracker Thermal Control System
Documents Written since last TIMDocuments Written since last TIMDocuments Written since last TIMDocuments Written since last TIMTitle DOC.# Date Prepared
bby
Accumulator_Weld_Test report TTCS-SYSU-TEST-TRP-014-1.0 2009-3-15 Zhenhui He
Simple way to check the TTCB (draft) TTCS-SYSU-TEST-TPR-015-1.0 2009-3-6 X.H.Sun
TTCB QM TEST PROCEDURE IN 2ND MICRO-G LOOP (draft)
TTCS-SYSU-TEST-TPR-016-1.0 2009-4-26 X.H.Sun
TTCB LIMITED FUNCTIONAL CHECK PROCEDURE (draft)
TTCS-SYSU-TEST-TPR-017-1.0 2009-4-27 Z.Zhang
TTCS EM i i hi h d l TTCS SYSU TEST TRPTTCS EM running in high and low extreme USS temperature cases (draft)
TTCS-SYSU-TEST-TRP-015-1.0 2009-4-20 Jinpeng Zhou
THERMAL ORIENTED INTERFACE OF TTCS SYSU ELEC TNTHERMAL ORIENTED INTERFACE OF TTCE FOR TTCS OPERATION (draft)
TTCS-SYSU-ELEC-TN-004-1.0 2009-2-6 Yongfeng Liu
Tracker Thermal Control System
2009年8月31日星期一 35