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NASA-LLIS-0629
Lessons Learned – Fan Screen/Filter Maintenance Considerations for Space Flight Applications
Year: 1999
Abstract: Description of Driving Event:
During the STS-90 flight, one of the experiment habitats located in the shuttle Middeck area experienced a mild over-temperature condition. Post-flight evaluations revealed that the habitat's air inlet filter was partially clogged restricting airflow into the cooling system. Human hair, lint, and miscellaneous debris clogged the filter.
Further investigation revealed that many air filters in the Middeck area are similarly blocked and that most payload developers count on the crew to perform daily cleaning of these filters. In order to minimize the impact of the debris and to allow for proper airflow, several design considerations were identified.
During the STS-90 flight, one of the experiment habitats located in the shuttle Middeck area experienced a mild over-temperature condition. Post-flight evaluations revealed that the habitat's air inlet filter was partially clogged restricting airflow into the cooling system. Human hair, lint, and miscellaneous debris clogged the filter.
Further investigation revealed that many air filters in the Middeck area are similarly blocked and that most payload developers count on the crew to perform daily cleaning of these filters. In order to minimize the impact of the debris and to allow for proper airflow, several design considerations were identified.
Subject: Flight Equipment
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| contributor author | NASA - National Aeronautics and Space Administration (NASA) | |
| date accessioned | 2017-09-04T16:00:01Z | |
| date available | 2017-09-04T16:00:01Z | |
| date copyright | 07/20/1999 | |
| date issued | 1999 | |
| identifier other | RHCEQCAAAAAAAAAA.pdf | |
| identifier uri | https://yse.yabesh.ir/std/handle/yse/63178 | |
| description abstract | Description of Driving Event: During the STS-90 flight, one of the experiment habitats located in the shuttle Middeck area experienced a mild over-temperature condition. Post-flight evaluations revealed that the habitat's air inlet filter was partially clogged restricting airflow into the cooling system. Human hair, lint, and miscellaneous debris clogged the filter. Further investigation revealed that many air filters in the Middeck area are similarly blocked and that most payload developers count on the crew to perform daily cleaning of these filters. In order to minimize the impact of the debris and to allow for proper airflow, several design considerations were identified. | |
| language | English | |
| title | NASA-LLIS-0629 | num |
| title | Lessons Learned – Fan Screen/Filter Maintenance Considerations for Space Flight Applications | en |
| type | standard | |
| page | 2 | |
| status | Active | |
| tree | NASA - National Aeronautics and Space Administration (NASA):;1999 | |
| contenttype | fulltext | |
| subject keywords | Flight Equipment | |
| subject keywords | Hardware | |
| subject keywords | Payloads | |
| subject keywords | Research & Development | |
| subject keywords | Safety & Mission Assurance | |
| subject keywords | Test & Verification |