並列タイトル等Constant-Temperature Hot-Wire Anemometer for Measurement of Turbulent Flows with Strong Intermittency
タイトル（掲載誌）航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-420
一般注記A constant-temperature hot-wire anemometer system with the long term signal integrators is developed by applying integrated-circuit modules. The system is designed for use in turbulent flows with strong intermittency. The anemometer output and its square are integrated for a reasonably long period of the order of several tens of seconds to produce the mean as well as the mean-square of the anemometer output. From these results mean velocities and true root-mean-square velocity fluctuations of turbulent flows are obtained. The anemometer response to square-wave voltage inputs is analyzed and formula which predicts the hot-wire frequency-response to fluctuating flows is worked out. The integrators are calibrated for both D.C. and A.C. inputs. As an example of turbulence measurements, the transitional boundary layer developed along a test-section side-wall of the smoke-wind-tunnel of NAL is surveyed. The results are in fair agreement with the published results for transitional boundary layer along flat plates.
資料番号: NALTR0420000
レポート番号: NAL TR-420
一次資料へのリンクURLhttps://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=44669&item_no=1&attribute_id=31&file_no=1
連携機関・データベース国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
提供元機関・データベース宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ