NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login
Back to Results
A Hot Dynamic Seal Rig for Measuring Hypersonic Engine Seal Durability and Flow PerformanceA test fixture for measuring the dynamic performance of candidate high-temperature engine seal concepts was installed at NASA Lewis Research Center. The test fixture was designed to evaluate seal concepts under development for advanced hypersonic engines, such as those being considered for the National Aerospace Plane (NASP). The fixture can measure dynamic seal leakage performance from room temperature up to 840 C (1550 F) and air pressure differentials up to 690 kPa (100 psi). Performance of the seals can be measured while sealing against flat or distorted walls. In the fixture two seals are preloaded against the sides of a 30 cm (1 ft) long saber that slides transverse to the axis of the seals, simulating the scrubbing motion anticipated in these engines. The capabilities of this test fixture along with preliminary data showing the dependence of seal leakage performance on high temperature cycling are addressed.
Document ID
19940010254
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Miller, Jeffrey H. (Sverdrup Technology, Inc. Brook Park, OH., United States)
Steinetz, Bruce M. (NASA Lewis Research Center Cleveland, OH, United States)
Sirocky, Paul J. (Sverdrup Technology, Inc. Brook Park, OH., United States)
Kren, Lawrence A. (Case Western Reserve Univ. Cleveland, OH., United States)
Date Acquired
September 6, 2013
Publication Date
April 1, 1993
Subject Category
Mechanical Engineering
Report/Patent Number
NASA-TM-106294
AIAA PAPER 93-1346
E-8031
NAS 1.15:106294
Meeting Information
Meeting: Structures, Structural Dynamics, and Materials Conference
Location: La Jolla, CA
Country: United States
Start Date: April 19, 1993
End Date: April 21, 1993
Sponsors: AIAA, AHS, ASC, ASME
Accession Number
94N14727
Funding Number(s)
PROJECT: RTOP 763-22-41
Distribution Limits
Public
Copyright
Public Use Permitted.

Related Records

There are no records associated with this record.
No Preview Available