Conference proceeding
Development of braided fiber seals for engine applications
FIBER-TEX 1992: The Sixth Conference on Advanced Engineering Fibers and Textile Structures for Composites, pp.1-12
01 Aug 1993
Abstract
A new type of braided fiber seal was developed for high temperature engine applications. Development work performed includes seal design, fabrication, leakage flow testing, and flow resistance modeling. This new type of seal utilizes the high flow resistance of tightly packed fibers and the conformability of textile structures. The seal contains a core part with aligned fibers, and a sheath with braided fiber layers. Seal samples are made by using the conventional braiding process. Leakage flow measurements are then performed. Mass flow rate versus the simulated engine pressure and preload pressure is recorded. The flow resistance of the seal is analyzed using the Ergun equation for flow through porous media, including both laminar and turbulent effects. The two constants in the Ergun equation are evaluated for the seal structures. Leakage flow of the seal under the test condition is found to be in the transition flow region. The analysis is used to predict the leakage flow performance of the seal with the determined design parameters.
Metrics
1 Record Views
Details
- Title
- Development of braided fiber seals for engine applications
- Creators
- Zhong Cai - Drexel UniversityRajakkannu Mutharasan - Drexel University, Chemical and Biological EngineeringFrank K Ko - Drexel UniversityGuang-Wu Du - Drexel University
- Publication Details
- FIBER-TEX 1992: The Sixth Conference on Advanced Engineering Fibers and Textile Structures for Composites, pp.1-12
- Publisher
- National Aeronautics and Space Administration
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Drexel University; Chemical and Biological Engineering
- Identifiers
- 991022031772404721