| 词汇 | wind-tunnel |
| 释义 | wind tunnel noun[ Cusually singular ] uk /ˈwɪnd ˌtʌn.əl/ us /ˈwɪnd ˌtʌn.əl/ a closed passage or room through which currents of air are forced in order to study the effects of moving air on aircraft and other vehicles（用于测量飞机或其他交通工具风阻的）风洞 Inventing, designing and innovation absorptive capacity architect artificer bionics blueprint design designer devise dream something up ergonomic lead time modularization mother nanotechnology technologically technologist technology the mother of somethingidiom themed think outside the boxidiom Examples of wind tunnelwind tunnel The applied measurement techniques have been used to characterize both plasma generator and plasma flow condition in the plasma windtunnel. Autorotational motion can take place either in free flight or when a plate is pinned to rotate about a given axis in a windtunnel. The single-contraction windtunnel contained three cells due to small mean flow irregularities. Some results of an experimental investigation of forces associated with the subsonic flow of air around a circular cylinder in a windtunnel are presented. This work is mainly an account of some experiments in which drops of water were dropped under gravity into a vertical windtunnel. The hot-wire signals were processed entirely by analogue methods, mainly because windtunnel time was inexpensive in comparison with available digital computers. The particles used in each experiment were placed on the windtunnel surface, forming a layer roughly 2 cm thick. Warhaft measured the fluctuation statistics of the thermal field downstream of one or more parallel heated wires behind a grid in a windtunnel. Flow conditions in the windtunnel were assessed using hot-wire probes, placed just upstream of the splitter-plate trailing edge. Pebbles from random beach sample used in windtunnel. The reason may be that the effects of external heat input or cooling remain confined to a region near the windtunnel wall. Detailed calculations are given showing the use of such a compressor to heat air for use in a hypersonic windtunnel. It was mounted across the width of the windtunnel 23 m downstream of the test-section entrance with its axis 0.61 m above the floor. Not only the mean velocity and pressure gradients in the windtunnel, but the tunnel turbulence level, as well, must be minimized. The acoustic waves were produced by a loudspeaker placed outside the windtunnel and guided through a tube into the tip of the chamber. See all examples of wind tunnel These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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