请输入您要查询的英文单词:

 

单词 savonius
释义

Savoniusn.

Brit. /səˈvəʊnɪəs/, U.S. /səˈvoʊniəs/
Origin: From a proper name. Etymon: proper name Savonius.
Etymology: < the name of Sigurd Johannes Savonius (1884–1931), Finnish engineer, who developed the turbine.
attributive. Designating a rotor or turbine consisting of two opposed hollow semi-cylindrical blades typically mounted on a vertical shaft, and now used in various forms to measure the speed of air and water currents and in some wind turbines.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > generator > [noun] > using wind-power
Savonius1925
aerogenerator1945
windcharger1946
1925 Mech. Engin. Nov. 912 In slow winds the Savenius [sic] wing rotor might have to be provided with an auxiliary motor.
1948 P. C. Putnam Power from Wind vi. 101 The Savonius rotor was a vertical cylinder sliced in half from top to bottom, the two halves being pulled apart by about 20 per cent of the diameter.
1981 B. A. Stout Energy for World Agric. (ed. 2) 120 (caption) Savonius rotor. The useful wind-collecting area is the radius times the height.
2009 Bangor (Maine) Daily News (Nexis) 12 Sept. c1 Labrecque..has experimented over the years... He mounted on his roof a Savonius turbine.
This entry has been updated (OED Third Edition, December 2012; most recently modified version published online March 2022).
<
n.1925
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/24 3:41:55