Definition of smoke tunnel in English:

smoke tunnel

noun

词汇	smoke tunnel
释义	Definition of smoke tunnel in English: smoke tunnel noun A form of wind tunnel using thin jets of smoke to show the motion of air. 烟风洞 Example sentencesExamples Once the cars are produced, students test them in Pitsco's wind and smoke tunnels. Dr. Strom worked on early versions of wind and smoke tunnels to study air pollution and smoke and fume dispersal from industrial smokestacks. A fan in the smoke tunnel draws smoke into the interior of the housing adjacent a smoke detection device. The shock tube provides a chance for students to observe transient flow, and the smoke tunnel makes it possible view the flow pattern around small objects. Demonstrations in wind and smoke tunnels showed them how vehicle shape affects its speed.
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