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Measurement of airborne droplets by the magnesium oxide method

Journal Article:

Abstract

A complete calibration has been made for the first time of the method of detecting and measuring airborne droplets whereby the permanent impressions made when they strike a layer of magnesium oxide smoked on a glass slide are measured microscopically. A size range of 200 to 10 microns and a wide range of liquids and impact velocities were investigated, and it was found that the ratio of true drop size to impression size is constant at 0.86 for droplets greater than 20 microns of any liquid. The method fails below 10 microns. The calibration was made against an absolute method of droplet measurement, also against the so-called focal-length method. Droplets of any desired size were generated by a uniform spray apparatus.
Authors:
Publication Date:
Jan 01, 1950
Product Type:
Journal Article
Reference Number:
EDB-84-011215
Resource Relation:
Journal Name: J. Sci. Instrum.; (United Kingdom); Journal Volume: 27
Subject:
54 ENVIRONMENTAL SCIENCES; DROPLETS; MONITORING; AIR POLLUTION; MAGNESIUM OXIDES; PARTICLE SIZE; PRECIPITATION SCAVENGING; ALKALINE EARTH METAL COMPOUNDS; CHALCOGENIDES; MAGNESIUM COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PARTICLES; POLLUTION; SEPARATION PROCESSES; SIZE; 500200* - Environment, Atmospheric- Chemicals Monitoring & Transport- (-1989)
OSTI ID:
5579005
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: JSINA
Submitting Site:
HEDB
Size:
Pages: 128-130
Announcement Date:
Aug 01, 1983

Journal Article:

Citation Formats

May, K R. Measurement of airborne droplets by the magnesium oxide method. United Kingdom: N. p., 1950. Web.
May, K R. Measurement of airborne droplets by the magnesium oxide method. United Kingdom.
May, K R. 1950. "Measurement of airborne droplets by the magnesium oxide method." United Kingdom.
@misc{etde_5579005,
title = {Measurement of airborne droplets by the magnesium oxide method}
author = {May, K R}
abstractNote = {A complete calibration has been made for the first time of the method of detecting and measuring airborne droplets whereby the permanent impressions made when they strike a layer of magnesium oxide smoked on a glass slide are measured microscopically. A size range of 200 to 10 microns and a wide range of liquids and impact velocities were investigated, and it was found that the ratio of true drop size to impression size is constant at 0.86 for droplets greater than 20 microns of any liquid. The method fails below 10 microns. The calibration was made against an absolute method of droplet measurement, also against the so-called focal-length method. Droplets of any desired size were generated by a uniform spray apparatus.}
journal = {J. Sci. Instrum.; (United Kingdom)}
volume = {27}
journal type = {AC}
place = {United Kingdom}
year = {1950}
month = {Jan}
}