| タイトル | Effect of transient liquid flow on retention characteristics of screen acquisition systems |
| 本文（外部サイト） | http://hdl.handle.net/2060/19770021486 |
| 著者（英） | Cady, E. C. |
| 著者所属（英） | McDonnell-Douglas Astronautics Co. |
| 発行日 | 1977-04-01 |
| 言語 | eng |
| 内容記述 | A design analysis, is developed based on experimental data, to predict the effects of transient flow and pressure surges (caused either by valve or pump operation, or by boiling of liquids in warm lines) on the retention performance of screen acquisition systems. A survey of screen liquid acquisition system applications was performed to determine appropriate system environment and classification. A screen model was developed which assumed that the screen device was a uniformly distributed composite orthotropic structure, and which accounted for liquid inflow/outflow, gas ingestion quality, screen stress, and liquid spill. A series of 177 tests using 13 specimens (5 screen meshes, 4 screen device construction/backup methods, and 2 orientations) with three test fluids (isopropyl alcohol, Freon 114, and LH2) provided data which verified important features of the screen model and resulted in a design tool which could accurately predict the transient startup performance acquisition devices. |
| NASA分類 | FLUID MECHANICS AND HEAT TRANSFER |
| レポートNO | 77N28430
NASA-CR-135218
MDC-G6742 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/181647 |
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