SIRCA-15F [virgin]

Property: Specific Heat

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Name: SIRCA-15F [virgin]
Database: NASA Ames Thermal Protection Materials
Category: Silicon-Based Ablators
Composition: FRCI-12 tile, infiltrated w/ silicone
Manufacturer: NASA Ames Research Center, Thermal Protection Materials and Systems Branch
Technical Readiness Level: 9
Last Modified: 2001-10-01

Description:

  • SIRCA-15F uses the Fibrous Refractory Ceramic Insulation, with 0.192 g/cc density (FRCI-12) tile substrate and is impregnated with silicone to produce a material with a final density of approximately 0.25 g/cc. SIRCA-15F was used for the aft plate heat shield and a portion of the conical aft section of the Mars/Pathfinder probe, which successfully landed on the Martian surface in July 1997. SIRCA-15F was designed, tested, and manufactured for the X-34 Program as a re-usable TPS for the nosecap and wing and rudder leading edges. SIRCA-15F is also being manufactured to support the Backshell Interface Plate (BIP) for the Mars 2003 Mission.

Point of Contact:

  • Frank S. Milos
  • NASA Ames Research Center
  • fmilos@mail.arc.nasa.gov

Specific Heat
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Value (Btu/lbm-R) Pressure (psf) Temperature (R) Uncertainty Uncertainty Source
2.61e-01 N/A 420.0 N/A
2.62e-01 N/A 426.0 N/A
2.63e-01 N/A 442.0 N/A
2.64e-01 N/A 453.0 N/A
2.65e-01 N/A 464.0 N/A
2.66e-01 N/A 482.0 N/A
2.67e-01 N/A 498.0 N/A
2.68e-01 N/A 526.0 N/A
2.70e-01 N/A 553.0 N/A
2.74e-01 N/A 855.0 N/A
2.78e-01 N/A 1211.0 N/A
2.86e-01 N/A 1754.0 N/A
2.95e-01 N/A 2273.0 N/A
3.04e-01 N/A 2786.99 N/A