| 释义 |
Rotameter|rəʊˈtæmɪtə(r), ˈrəʊtəmiːtə(r)|
Also rotameter.
[partial tr. G. rotamesser (Chem. Rev. über die Fett- u. Harzind. (1911) XVIII. 55), f. rota(tion rotation, etc.: see -meter.]
1. A proprietary name for a device with a transparent wall that is fitted into a pipe or tube and indicates the rate of flow of fluid through it.
1911Chem. Abstr. V. 1695 (heading) The rotameter. 1914G. Lunge Techn. Gas-Analysis 50 The ‘Rotameter’ of the Deutsche Rotawerke, Aachen, allows of directly reading off the quality of gas (or liquid) passing through per hour. 1925Industr. Chem. I. 474/2 In oxy-acetylene welding, if rotameters are inserted in the oxygen and acetylene tubes, it is possible to obtain perfect uniformity. 1949E. Chain in H. W. Florey et al. Antibiotics II. xvii. 701 From the air-filter the air passed through a rotameter..and a check-valve..into the fermenter through the sparger. 1952Trade Marks Jrnl. 18 June 555/1 Rotameter... Apparatus for measuring, indicating, or recording the rate of flow of gases or liquids. Rotameter Manufacturing Co. Ltd., Derwent Works, Purley Way, Croydon, Surrey; Manufacturers—29th Nov. 1948. 1979A. L. Lydersen Fluid Flow & Heat Transfer iii. 61 Standard rotameters are delivered for connection to pipes with diameters from 3 to 150 mm.
2. Var. rotometer. |