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Environmental control and air conditioning IT systems

机译:环境控制和空调IT系统

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Most current day computers and IT systems will operate satisfactorily in a wide range of extreme conditions, it is no longer necessary to control to a strict dry bulb temperature within a very close tolerance, the only thing the computer objects to is a wide fluctuation in conditions over a short time-scale. Now you can operate in a wide range of room ambients and provided the temperature fluctuation is restricted to say /spl plusmn/5/spl deg/C you will have no problems, humidity is not a real concern, although care should be taken to avoid condensation or excess static. So the computer is no longer the problem. The environmental engineers biggest concern now is operator comfort, providing a comfortable workplace where the operator can work at optimum efficiency. With the small to medium sized IT systems this can often be achieved by natural or mechanical ventilation systems providing a cheap and reasonably energy efficient solution. But there are still a number of IT applications where a basic ventilation plant is inadequate and mechanical cooling must be introduced to remove the excess heat generated by the IT equipment and keep the environment within tolerably comfortable conditions. The author looks at several examples of where mechanical cooling is required: the mainframe computer for which indirect or direct cooling can be used; telecommunications; hospital body scanners; and office based PC systems. A case study of building society is discussed.
机译:大多数当天计算机和IT系统将在广泛的极端条件下令人满意地运行,不再需要在非常近的公差内控制严格的干灯泡温度,唯一的计算机对象在条件下宽波动在短暂的时间范围内。现在您可以在各种室内设施运行,并且提供的温度波动仅限于SEX / SPL Prucmn / 5 / SPL DEG / C您将没有问题,湿度不是真正关注的,尽管应注意避免凝结或过量的静态。所以电脑不再是问题。环境工程师现在最受关注的是运营商舒适,提供舒适的工作场所,操作员可以以最佳效率工作。随着中小型IT系统,这通常可以通过自然或机械通风系统实现,提供廉价且合理的能量有效的解决方案。但仍有许多IT应用,其中基本通风工厂不充分,必须引入机械冷却以除去IT设备产生的多余热量,并将环境保持在可折叠舒适的条件下。作者看着需要机械冷却的几个例子:可以使用间接或直接冷却的主机计算机;电信;医院体扫描仪;和基于办公的PC系统。讨论了建设社会的案例研究。

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