原文传递
Three-dimensional water droplet trajectory code validation using an ECS inlet geometry
| 题名： | Three-dimensional water droplet trajectory code validation using an ECS inlet geometry |
| 作者： | Breer, Marlin D.; Goodman, Mark P. |
| 关键词： | three-dimensional；geometry；code；water；alid；characteristics；particle；droplets；prediction；environmental |
| 摘要： | A task was completed under NASA contract, the purpose of which was to validate a three-dimensional particle trajectory code with existing test data obtained from the Icing Research Tunnel at NASA-LeRC. The geometry analyzed was a flush-mounted environmental control system (ECS) inlet. Results of the study indicated good overall agreement between analytical predictions and wind tunnel test results at most flight conditions. Difficulties were encountered when predicting impingement characteristics of the droplets less than or equal to 13.5 microns in diameter. This difficulty was corrected to some degree by modifications to a module of the particle trajectory code however, additional modifications will be required to accurately predict impingement characteristics of smaller droplets. |
| 报告类型： | 科技报告 |
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