When U. S. Government drawings specifications, or other data are used for any purpose other than a definitely related Government procurement operation, the Government thereby incurs no responsibility nor any obligation whatsoever, and the fact that the Government may have formulated, furnished, or in any way supplied the said drawings, specifications, or other data, is not to be regarded by implication or otherwise, or in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use, or sell any patented invention that may in any way be related thereto. Qualified users may obtain copies of this report from the Defense Documentation Center. References to named commercial products in this report are not to be considered in any sense as an endorsement of the product by the United States Air Force or the Government. This final report was submitted by the National Bureau of Standards, Heat Division, Washington, D. C. 20234, under contract F40600-72-M-0002 with the Arnold Engineering Development Center, Arnold Air ForCe Station, Tennessee 37389. Mr. Elton R. Thompson (DYR) was the AEDC project monitor. This report has been reviewed by the Information Office (01) and is releasable to the National Technical Information Service (NTIS). At NTIS, it will be available to the general public, including foreign nations. APPROVAL STATEMENT This technical report has been reviewed and is approved for publication.