environmental test facilities - isro · 5a/20awg : 350 nos. (7x50) 2a/20awg : 350 nos. (7x50)...
TRANSCRIPT
ENVIRONMENTAL
TEST FACILITIES
ISITE
Presented By
Facilities Group, ISAC ISRO Satellite Centre,
Bangalore
CATVAC
Thermo vacuum Facility
CATVAC, ETF-1, ISITE
CATVAC, ETF-1, ISITE CATVAC, Chamber Internal View
CATVAC, ETF-1, ISITE Satellite Loading - CATVAC
INTEGRATED SATELLITE LEVEL TESTS
Thermal vacuum performance test
APPENDAGE LEVEL TESTS
Thermal cycling tests on large appendage under
high /low vacuum conditions
Thermo Elastic Deformation Measurement s (TED
Test )
CHAMBER SUBSYSTEM
Chamber inner diameter : 6.5m
Chamber length : 10m
Chamber longitudinal axis : horizontal
Material of construction : SS-304L
CATVAC, ETF-1, ISITE CATVAC – Chamber Configuration
Three modes of space craft loading arrangements in to the
Chamber
• On Chamber Front dish
• On chamber shell Rail using an L Adaptor
• On Mono rail hoist
• Note: In the first two modes of Space craft loading
test object tilt and rotation arrangement has been
provided
Test Object Mass : 3000Kg Max
Test Object Dimension : 3 m x 3m X 6m ; Cuboid
Crane Hook Height from GL : 12,600 mm
CATVAC, ETF-1, ISITE Spacecraft Loading & Unloading
CATVAC, ETF-1, ISITE Satellite Mounted on Front Dish
VACUUM LEVEL: 5X10-6 mBar or better with the Test object inside
Two Numbers of roughing skids
• Total pumping speed : 10000 CMH
Three Numbers Turbo Molecular Pumps
• Pumping speed : 2000 X 3 Ltrs / Sec
Four Number of Multi headed Cryo pumps
• Pumping speed : 60000 X 4 Ltrs / Sec
Meissner trap/water vapour panel
• Panel area : 5 square metres
Scavenger panel
• Area : 1 square mtr
Independent inter seal vacuum pumps for the Chamber Dish
CATVAC, ETF-1, ISITE Vacuum System Configuration
SHROUD
• 14 nos. of sub zone shroud panels with independent
stand alone Thermal Conditioning Units (TCU)
• Type of shroud : Blistered type embossed panel
• Material : AISI 304L
COOLANT TYPE
• GN2/LN2
• LN2 / GN2 feed system from storage tanks
• Closed loop circulation of coolant through thermal
shrouds with TCU
OPERATING TEMPRATURE RANGE
• 100K to 373K with an accuracy of +/- 1 K
HEAT LOAD CAPACITY
• 10 KW per sub zone
CATVAC, ETF-1, ISITE Thermal Subsystem Configuration
LN2/GN2 storage, distribution and supply
Vertical Liquid Nitrogen storage tanks : 4 No's
• Storage capacity : 1,25,000 Litres each
• Working Pressure : 5 Bar
Gaseous nitrogen storage tank :1 No
• Storage capacity :10,000 Litres
• Working Pressure : 5 Bar
CATVAC, ETF-1, ISITE Auxiliary Subsystem
5A/20AWG : 350 Nos. (7X50)
2A/20AWG : 350 Nos. (7X50)
10A/12AWG : 60 Nos. (6X10)
1553B Bus Interface : 4 Nos
Thermal - IR Cage : Power supplies : 128 Nos ; 60V/12 Amps
Thermo couples for test object Temp. Monitoring : 448 Nos
C / Ku / Ka Wave Guide Interfaces : On size ISO 320 ports on
Front Dish and Chamber body
RF connector / Cable interfaces for C, Ku and Ka band on size
ISO250/320 chamber Ports
CATVAC, ETF-1, ISITE Chamber – Power / Signal/ RF/
Thermal Interface
For Control , Measurement and status monitoring of
• Chamber system
• Chamber thermal system
• Chamber vacuum system
• Chamber auxiliary system
ICMS CONTROL PHILOSPHY : Distinct three levels of control
for Facility Reliability
• From Computer Work station / operator Consoles
• From Engineering work Station with MIMICS
• PLC Local control using HMI panel with Plant MIMICS
CATVAC, ETF-1, ISITE Integrated Control & Monitoring
Systems(ICMS)
ICMS CONFIGURATION
• PLCs in Hot Redundant Mode
• SCADA Servers with hot redundancy
• Six No . Work stations for Facility Control / Operator
Interface
• Two No. Engineering Workstations for ICMS PLC Status
monitoring and control
• RAID based Facility data storage with storage capacity
up to 100GB
CATVAC, ETF-1, ISITE Integrated Control & Monitoring
Systems(ICMS)
Vibration Test Facility
AVTF, ETF-1, ISITE
AVTF, ETF-1, ISITE Vibration Test Facility
Maximum Force Rating of Shaker : 29Tons
Shaker Load Bearing Platform: Dia : 2.5m
ST / HE Interfaces : M12 @ 16”, 22”, 28”, 900 mm, 1194 mm,
1700 mm PCD
Maximum Vertical Payload static Capacity : 8,000 kg with LBP
Useful Frequency Range : 5 Hz – 2000 Hz
Maximum Displacement : 50 mm
Maximum Velocity : 2.0 m/s
Maximum offset load Capacity : 40kNm (With LBP)
Maximum slip table Moments : Pitch - 675kNm; Roll - 700kNm;
Yaw - 190kNm
S/C Handling Crane - EOT : 10Ton
Maximum Crane Hook Height from GL : 12.6 M
AVTF, ETF-1, ISITE Shaker System
AVTF, ETF-1, ISITE 29-Ton Shaker System
AVTF, ETF-1, ISITE 2.5M Head Expander
Maximum Number of Control Input channels : 48 No’s
Typical no. of Control Inputs : 1 No
Control Methodology : Single, Multiple : Avg., Max, Min.
Minimum Test level supported : 0.05g @ 100mV/g
Test types supported : Random, Swept Sine
Payload safety : Loop check prior to test
Limiting and Abort Channels : 47 Channels
Export of Data : UFF, Matlab ASCII & JPEG
AVTF, ETF-1, ISITE Vibration Control System
Data Acquisition
• Max number of Input channels : 264
• Sensor types supported : Voltage, IEPE
• Analysis Frequency Range : 20 kHz.
• Max. Sampling frequency : 102.4 kHz.
Data Analysis
Sine
Peak Response : Fundamental and BBRMS,
H(f) : Transmissibility & Phase w.r.t. Single and Multiple Reference
Frequency Estimate : COLA
Random
Averaging : Linear, Exponential, Overlapping
H(f) : Transmissibility and Phase
Power Spectral Density
Time Domain : Waveform analysis, FFT, Auto PSD
AVTF, ETF-1, ISITE Data Acquisition and Analysis System
Charge
Input type : PE & ICP
No of Channels : 48
IEPE
Input type : ICP
No of Channels : 160
Strain
Strain configuration : ¼, ½ and Full bridge
No of Channels : 20
Programmable Low Pass Filters
No. of Channels : 16
Frequency range for LPF : 10 Hz to 66.7 kHz
AVTF, ETF-1, ISITE Instrumentation
Acoustic Test Facility
AVTF, ETF-1, ISITE
AVTF, ETF-1, ISITE Acoustic Test Facility
Volume : 1500 m3
RC DimensionS : 11.3 m (L) X 9.0 m (W) X 14.3 m (H)
Max. Overall Sound Pressure Level (OASPL) : 156 dB
Payload / Spacecraft Entry - RC Main Door : 7.0 m(W) X 14.3 m(H)
Medium used for Noise Generation : Gaseous Nitrogen
Modulators : 6 No's
Horns – Exponential : 25 Hz - 1 No; 50 Hz - 1 No; 80 Hz - 2 No’s;
160 Hz – 1 No
Jet Noise source : 1 No
Safety: Oxygen Monitoring Sensors – Four nos. inside RC and Two
nos. in the enclosure Chamber
AVTF, ETF-1, ISITE Reverberation Chamber
Cleanliness : 1,00,000 Class
Dimension : 17.25 m (L) x 10.9 m (W) x 14.3 m (H)
Spacecraft Entry :
• Vertical Door : 8 m (W) x 10 m (H)
Crane Capacity : 20 Ton
Crane Hook Height from GL : 13,600 mm
Emergency Exit : 1 No
Fuel Loading / Unloading : Water and other Auxiliary
utilities support provided
Movement of S/C into Preparation area : Winched haul
support for the container movement
Spacecraft Trolley Load Capacity : 7 Ton
Trolley Interface PCD : 900mm, 1194mm, 1700mm
AVTF, ETF-1, ISITE Spacecraft Preparation Area
Control System : Closed Loop Digital Control
Controllable Frequency Range
• Modulators: 20 Hz – 1250 Hz
• Jet Noise Source: 1250 Hz – 8000 Hz
Max. No. of Microphone Input Channels : 16
Sensor Type Supported : Voltage, IEPE
AVTF, ETF-1, ISITE Acoustic Control System
Signal Conditioners :
• Charge : 32 Channels (PE & ICP)
• IEPE : 160 Channels (ICP)
• Strain : 10 Channels (¼, ½ & full bridge)
Data Acquisition :
• No. of Input Channels : 192
• Sensor Types Supported : Voltage, IEPE
Data Analysis :
• Sine, Random, Modal
Export of Data : UFF
AVTF, ETF-1, ISITE Instrumentation and DAS
Thank You