Tracker Thermal Control System
AMS TTCS Status ReportAMS-TTCS Status ReportAMS TIM ti CERN J l 18th 2009AMS-TIM meeting, CERN, July 18th, 2009
ZH HeZH He
On behalf of SYSU team:
ZC Huang, SS Lu, DC Mo, XM Qi, ZP Song, XH Sun, GL TongZX. Wang, ZS Wu, Z Zhang, JP Zhou.
2009年8月31日星期一 1
Aswin is working at Aswin is working at ZhuhaiZhuhaifor TTCB QM performance testfor TTCB QM performance testTracker Thermal Control Systemfor TTCB QM performance testfor TTCB QM performance test
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Tracker Thermal Control System
O tliO tliOutlineOutline
• TTCS Integration and Test SupportsTTCB QM P f T t• TTCB QM Performance Test
• Ground Support SW to be discussedGround Support SW to be discussed• Documents
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Tracker Thermal Control System
TTCS I t ti d T t S tTTCS I t ti d T t S tTTCS Integration and Test SupportsTTCS Integration and Test Supports• Zhang Zhan in SERMS • Zhou Jingpeng is coming to CERN on July 25th.ou J gpe g s co g to C N o Ju y 5 .• Prof. Qi Xinmei will be present at CERN from Aug
8th t 14th f th t f i t ti f TTCB8th to 14th for the support of integration of TTCB.• Zhang Zhan and Sun Xihui will be at CERN from g
Sept.22 to Nov.11 for the support of CO2 filling.• Supports for the TVT test at ESTEC is under• Supports for the TVT test at ESTEC is under
schedule.
Tracker Thermal Control System
Incoming Inspection of TTCB QM andIncoming Inspection of TTCB QM andIncoming Inspection of TTCB QM and Incoming Inspection of TTCB QM and TTCE TTCE
2009-6-5 2009-6-26
Passed
Tracker Thermal Control System
Preliminary Test Results of TTCBPreliminary Test Results of TTCBPreliminary Test Results of TTCB Preliminary Test Results of TTCB QM Performance TestQM Performance Test
Cleaning RoomWalk-in Climate Chamber Power Power TTCS 2nd loop supplysupply
TTCBQM
TTCE TTCE QMQM EPPEPP--CANCAN
Li Li DASDAS
Linux Linux PCPC
For monitoring the system For commanding and reading
Tracker Thermal Control System
> 150 pages of test sheets
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Tracker Thermal Control System
Health Guard TestHealth Guard TestHealth Guard TestHealth Guard Test• Low pump speed alarm passedLow pump speed alarm passed• Pump inlet subcooling passed(*)• Start-up heater passed• Cold orbit heater passed• Tracker alarm passed• Tracker alarm passed• Preheater overheating to be doneg• GAC overheating to be done
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Tracker Thermal Control System
Performance TestsPerformance TestsPerformance TestsPerformance Tests• Pump start-up (passed)Pump start up (passed)• Pump start-up in vapor phase (passed)• Temperature control (passed)
– Set-point changep g– Stability of temperature when switching on the heat load
Press re drop at ario s p mp speeds (passed)• Pressure drop at various pump speeds (passed)– Pressure drop when two pumps are running
• Cold switch between TTCE A and TTCE B (passed)• Hot switch between TTCE A and TTCE B (to be done)• Hot switch between TTCE A and TTCE B (to be done)2009年8月31日星期一 9
Tracker Thermal Control System
Pump startPump start--up in vapor phaseup in vapor phasePump startPump start up in vapor phaseup in vapor phase
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Tracker Thermal Control System
Pump speed should not be lower than 3300RPM in cold casep p
QM modelQM model
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Tracker Thermal Control System
Pump speed should not be lower than 3300RPM in cold casep p
EM modelEM model
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Tracker Thermal Control System
Start-up heater is needed to suppress the long-last superheating during Tracker start-up
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Tracker Thermal Control System
cooling rates cooling rates (in nominal case)(in nominal case)gg ( )( )
One set of Peltier
Two sets of Peltier
B: 0.05C/minA+B:0.2C/min
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Tracker Thermal Control System
DPS signal OscillationDPS signal OscillationDPS signal OscillationDPS signal Oscillation
V 11 7kPVpp=11.7kPa
DPS-B T =-15C in two-phase flow
7500 RPM5000 RPM
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DPS B, Tacc= 15 C, in two phase flow
Tracker Thermal Control System
DPS noise is not filtered by TTCEDPS noise is not filtered by TTCEDPS noise is not filtered by TTCEDPS noise is not filtered by TTCE
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DPS noise appears DPS noise appears Tracker Thermal Control Systemwhen a pump is driving liquid COwhen a pump is driving liquid CO22
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TwoTwo--pump running mode depressespump running mode depressesDPS noiseDPS noiseTracker Thermal Control SystemDPS noiseDPS noise
Hot case2009年8月31日星期一 18
Hot case
Tracker Thermal Control System
TTCB QM Test on GoingTTCB QM Test on GoingTTCB QM Test on GoingTTCB QM Test on Going• TTCS control parameter optimizationTTCS control parameter optimization
• TS Function Checkld bi h– on cold orbit heater
– on start-up heaterp– on Peltier elements– on accumulator wire heaters
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Tracker Thermal Control System
Ground Support SW itemsGround Support SW itemsGround Support SW items Ground Support SW items • Based on the test results, we propose to add the
following items in the ground support SW:– Set low-pump-speed online warning to avoid dryout of theSet low pump speed online warning to avoid dryout of the
evaporators;– Set low-subcooling online warning defining subcoolingSet low subcooling online warning, defining subcoolingT=Tacc-Tpump_inlet; and request for the downlink band width during the change of set-point.during the change of set point.
– Filter noise of the DPSs’ signals.U t t h t ll d i t k t t• Use start-up heater manually during tracker start up.
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Tracker Thermal Control System
Documents Written since last TIMDocuments Written since last TIMDocuments Written since last TIMDocuments Written since last TIM
Titl DOC # D t Prepared Title DOC.# Date pby
TTCB QM TEST PROCEDURE IN 2ND MICRO G LOOP
TTCS-SYSU-TEST-TPR-016-1.0 2009-4-26 X.H.SunMICRO-G LOOP
TTCB LIMITED FUNCTIONAL CHECKPROCEDURE
TTCS-SYSU-TEST-TPR-017-1.0 2009-4-27 Z.Zhang
TTCS BOX QM, FM FUNCTIONAL CHECKPROCEDURE (SERMS) DURING TTCB TVTEST
TTCS-SYSU-TEST-TPR-018-1.0 2009-6-8 Z.Zhang
TTCS EM RUNNING IN HIGH AND LOW EXTREME USS TEMPERATURE CASES
TTCS-SYSU-TEST-TRP-015-1.0 2009-4-20 Jinpeng Zhou
SIMPLE WAY TO CHECK THE TTCB TTCS-SYSU-TEST-TPR-015-1.0 2009-3-6 X.H.Sun
CO2 FILLING PROCEDURE FOR TTCB TTCS SYSU GS TN 005 1 0 2009 7 6 X H S /Z H HPERFORMANCE TEST TTCS-SYSU-GS-TN-005-1.0 2009-7-6 X.H.Sun/Z.H.He
Tracker Thermal Control System
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