Positive pressure | 合法醫療器材資訊網

Manyhospitalsareequippedwithnegativeandpositivepressureroomsjustforthepurposesdescribed.Negativepressureroomsareusedtohelpkeepairborne ...

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Force applied in a chamber to remove a fluid

Positive pressure is a pressure within a system that is greater than the environment that surrounds that system. Consequently, if there is any leak from the positively pressured system, it will egress into the surrounding environment. This is in contrast to a negative pressure room, where air is sucked in.[1][2]

Use is also made of positive pressure to ensure there is no ingress of the environment into a supposed closed system. A typical example of the use of positive pressure is the location of a habitat in an area where there may exist flammable gases such as those found on an oil platform...