| 单词 | scale effect |
| 释义 | > as lemmasscale effect scale effect n. an effect occurring when the scale of something is changed, as a result of contributory factors not all varying in proportion; spec. (see quot. 1940). ΘΚΠ the world > time > change > [noun] > change within limits, variation, or modification > scale effect scale effect1917 the world > relative properties > relationship > [noun] > proportion or ratio > scale effect scale effect1917 1917 Rep. & Mem. Advisory Comm. Aeronaut. (1921) No. 374 (heading) Report of the scale effect sub~committee. 1930 Engineering 20 June 802/2 The skin friction of the plate gives a slightly erroneous velocity distribution under the model car... Still, the errors due to these imperfections are hardly likely to be so much greater than other unavoidable uncertainties, arising from scale effect and the varying conditions of full-scale operations. 1940 Chambers's Techn. Dict. 743/1 Scale effect, the effect of a change in Reynolds number upon the measured results in the performance of aerodynamic bodies. 1978 H. C. H. Armstead Geothermal Energy xv. 244 With conventional thermal power plants the capital cost per kilowatt installed is sensitive to what is generally known as the ‘scale effect’; that is to say, a very large plant will tend to cost less per kilowatt than a small plant of similar type. 1979 Daily Tel. 15 Aug. 12/5 If you were trying to apply this concept to a Jaguar, you would need about a 20-litre engine—it only works because of the scale effect..on a very small car. < as lemmas |
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