GLTRS--Glenn
TITLE AND SUBTITLE:
A Multi-Zone "Muffle" Furnace Design

AUTHOR(S):
Neil D. Rowe and Martin Kisel

REPORT DATE:
May 1993

FUNDING NUMBERS:
WU-694-09-0C

PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES):
National Aeronautics and Space Administration
Lewis Research Center
Cleveland, Ohio 44135-3191

PERFORMING ORGANIZATION REPORT NUMBER:
E-7837

SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES):
National Aeronautics and Space Administration
Washington, DC 20546-0001

REPORT TYPE AND DATES COVERED:
Technical Memorandum

SPONSORING/MONITORING AGENCY REPORT NUMBER:
NASA TM-106153

SUPPLEMENTARY NOTES:
Neil D. Rowe, NASA Lewis Research Center and Martin Kisel, Analex Corporation, 3001 Aerospace Parkway, Brook Park, Ohio 44142. Responsible person, Neil D. Rowe, (216) 433-2839.

ABSTRACT:
A MultiZone MuffleTube Furnace was designed, built, and tested for the purpose of providing an inhouse experience base with tubular furnaces for materials processing in microgravity. As such, it must not only provide the desired temperatures and controlled thermal gradients at several discrete zones along its length but must also be capable of sustaining the rigors of a Space Shuttle launch. The furnace is insulated to minimize radial and axial heat losses. It is contained in a watercooled enclosure for purposes of dissipating unwanted residual heat, keeping the outer surfaces of the furnace at a "touchsafe" temperature, and providing a rugged housing. This report describes the salient features of the furnace, testing procedures and results, and concluding remarks evaluating the overall design.

SUBJECT TERMS:
Muffle furnace

NUMBER OF PAGES:
20

PDF AVAILABLE FROM URL:
1993/TM-106153.pdf
( 1,256 KB )
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