THE DESIGN OF THE VACUUM-SYSTEM FOR THE JOINT GERMAN BRITISH INTERFEROMETRIC GRAVITATIONAL-WAVE DETECTOR, GEO

被引：7

作者：

BENNETT, JRJ

ELSEY, RJ

机构：

[1] Rutherford Appleton Laboratory, Chilton, Didcot

来源：

VACUUM | 1992年 / 43卷 / 1-2期

关键词：

D O I：

10.1016/0042-207X(92)90180-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Developments in the design of the vacuum system for the proposed gravitational wave detector, GEO, are described, together with some small scale tests. The vacuum chamber will consist of two horizontal stainless steel tubes, 1.4 m diameter and 3 km long, arranged in an L, connecting a number of experimental tank stations. By heating the tubes to 200-degrees-C in air, followed by a vacuum bake at 150-degrees-C, an outgassing rate of approximately 10(-13) mbar I s-1 cm-2 will be achieved. Turbomolecular and non-evaporable getter pumps have been chosen to minimise pressure fluctuations and provide a hydrocarbon-free vacuum of less-than-or-equal-to 10(-8) mbar.

引用

页码：35 / 39

页数：5

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