NDLI: Heat Measurement in Telecommunications Equipment Racks

Content Provider	IEEE Xplore Digital Library
Author	Allen, P. A.
Copyright Year	1985
Description	Author affiliation: British Telecommunications, Power & Building Services Division, Leith House, 47/57 Gresham Street, London EC2V 7JL (Allen, P A)
Abstract	Medium and large local digital telephone exchanges have a typical power density of 230 W/sqm of gross floor area rising to 400 W/sqm in some areas of the exchange. Individual racks within an exchange may have heat dissipations equivalent to 1 or 2 kW or more. As future exchanges become physically smaller, rack consumption and power densities will increase. A number of thermal management options are available to the telecommunications equipment practice designer. In the U.K., current practice is to use natural convection, serial air flow rack designs but the use of paral1el air f1ow has significant advantages. In recent years, British Telecom and its major U.K. suppliers have conducted practical research into the thermal performance of equipment racks and have collaborated in the development of a new, parallel air flow rack practice. This paper reviews this work and illustrates how it has led to the production of thermal guidelines for rack designers and equipment planners.
Starting Page	267
Ending Page	271
File Size	5132087
Page Count	5
File Format	PDF
ISBN	3800714299
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1985-10-14
Publisher Place	Federal Republic of Germany
Access Restriction	Subscribed
Rights Holder	VDE-VERLAG GmbH
Subject Keyword	Cooling Temperature sensors Temperature control Testing Thermal management Control systems Power system reliability Thermistors Area measurement Density measurement
Content Type	Text
Resource Type	Article

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