Sunil Hangal

University of Cincinnati

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Klaus Willeke

University of Cincinnati

Daewoo Han

University of Cincinnati

Mei Xu

Philadelphia College of Osteopathic Medicine

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University of Cincinnati

University of Cincinnati Medical Center

Chengdu Women's and Children's Central Hospital

Sichuan University

Applied Science Private University

Philadelphia College of Osteopathic Medicine

First People’s Hospital of Jingmen

Xian Yang Central Hospital

Nankai University

Tianjin Central Hospital of Gynecology Obstetrics

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RESPIRATOR FIT AND PROTECTION THROUGH DETERMINATION OF AIR AND PARTICLE LEAKAGE

The Annals of Occupational Hygiene (1991)

Mei Xu Daewoo Han Sunil Hangal Klaus Willeke

A laboratory technique for determining the respirator protection factor from a test of fit is described. A dynamic pressure test quantifies the air flow through the leak. Calibration data, stored in a computer, relate the contaminant influx to this air flow, and a similar pressure test determines the flow through the respirator cartridges and, therefore, the dilution characteristics. Contaminant removal characteristics of the cartridges are stored in the computer. The contaminant penetration is calculated from these data on flow and removal efficiency. Through specification of the aerosol size.

Respirator

Cartridge

Leakage (economics)

Hydrostatic test

Penetration (warfare)

Dilution

10.1093/annhyg/35.1.13

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Experience with Starting and Operating a Consulting Business

2019 Spring Meeting and 15th Global Congress on Process Safety (2019)

Sunil Hangal

Information technology consulting

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Aspiration efficiency: unified model for all forward sampling angles

Environmental Science & Technology (1990)

Sunil Hangal Klaus Willeke

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAspiration efficiency: unified model for all forward sampling anglesSunil Hangal and Klaus WillekeCite this: Environ. Sci. Technol. 1990, 24, 5, 688–691Publication Date (Print):May 1, 1990Publication History Published online1 May 2002Published inissue 1 May 1990https://pubs.acs.org/doi/10.1021/es00075a012https://doi.org/10.1021/es00075a012research-articleACS PublicationsRequest reuse permissionsArticle Views223Altmetric-Citations44LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

10.1021/es00075a012

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Citations (66)

Overall efficiency of tubular inlets sampling at 0–90 degrees from horizontal aerosol flows

Atmospheric Environment Part A General Topics (1990)

Sunil Hangal Klaus Willeke

Settling

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10.1016/0960-1686(90)90330-p

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Citations (63)

Aerosol sampling at small forward-facing angles: differentiation of yaw from pitch