chimney effect 煙囪效應

chimney effect
繁：煙囪效應
简：烟囱效应

他懷疑單位喉管有問題，造成在喉管或天井發生煙囪效應，如其他單位喉管出現肉眼都未能發現的破裂，令病毒帶入單位，造成爆發，因此建議C單位的居民撤離，讓當局做詳細檢查及用儀器測試。

袁國勇估計金威廣場喉管或天井發生煙囪效應致爆發（2021年1月22日）。香港電台，取自https://news.rthk.hk/rthk/ch/component/k2/1571869-20210122.htm

A leading microbiologist is looking into how Covid-19 has spread in one of Hong Kong’s largest middle-class private estates, with the “chimney effect” possibly vertically transmitting the virus.

‘Chimney effect’ may be spreading Covid-19 at large private housing estate in Hong Kong, health expert says. (2021, January 25). South China Morning Post. Retrieved from https://www.scmp.com/news/hong-kong/health-environment/article/3119189/chimney-effect-may-be-spreading-covid-19-large