Bell mouth
id:
bell-mouth-301-6636810
title:
Bell mouth
text:
In building services engineering and HVAC, a bell mouth is a tapered expanding or reducing opening in the end of a ventilation duct, so named because the taper can resemble that of a bell shape. They are primarily designed and used for return air or extract air purposes within building ventilation systems, more commonly located within ceiling voids or other similar plenum. The bellmouth cross-sectional area is normally double that of the duct area so that the air velocity entering the bellmouth
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Bell_mouth
date created:
date modified:
2022-08-02T20:53:15Z
main entity:
{"identifier":"Q4883314","url":"https://www.wikidata.org/entity/Q4883314"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/6/63/JFTD12_engine_on_an_Aircrane.JPG","width":3888,"height":2592}
fields total:
13
integrity:
14