Thermal performance measurements of a 100 percent polyester MLI (multilayer insulation) system for the Superconducting Super Collider
The plastic materials used in the multilayer insulation (MLI) blankets of the superconducting magnets of the Superconducting Super Collider (SSC) are comprised entirely of polyesters. This paper reports on tests conducted in three separate experimental blanket arrangements. The tests explore the thermal performance of two candidate blanket joint configurations each employing a variation of a stepped-butted joint nested between sewn blanket seams. The results from the joint configurations are compared to measurements made describing the thermal performance of the basic blanket materials as tested in an ideal joint configuration. Twenty foil sensors were incorporated within each test blanket to measure interstitial layer and joint layer temperatures. Heat flux and thermal gradients are reported for high and degraded insulating vacuums, and during transient and steady state conditions. In complement with this paper is an associate paper bearing the same title head but with the title extension Part 1: Instrumentation and experimental preparation (300K-80K)'. 5 refs., 8 figs., 2 tabs.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 5570650
- Report Number(s):
- FNAL-TM-1618; CONF-890701-17; ON: DE90001877; TRN: 91-011091
- Resource Relation:
- Conference: International cryogenic materials conference, Los Angeles, CA (USA), 24-28 Jul 1989
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
SUPERCONDUCTING SUPER COLLIDER
THERMAL INSULATION
PERFORMANCE
DATA ACQUISITION SYSTEMS
EXPERIMENTAL DATA
HEAT FLUX
MEASURING INSTRUMENTS
POLYESTERS
TEMPERATURE GRADIENTS
TEMPERATURE MEASUREMENT
THERMAL CONDUCTIVITY
DATA
ESTERS
INFORMATION
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PHYSICAL PROPERTIES
POLYMERS
STORAGE RINGS
THERMODYNAMIC PROPERTIES
430303* - Particle Accelerators- Experimental Facilities & Equipment