Explosion temperatures of metals and other elemental dust clouds [2007]

Cashdollar, Kenneth L.; Zlochower, Isaac A.

doi:10.1016/j.jlp.2007.04.018

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CDC STACKS serves as an archival repository of CDC-published products including scientific findings, journal articles, guidelines, recommendations, or other public health information authored or co-authored by CDC or funded partners. As a repository, CDC STACKS retains documents in their original published format to ensure public access to scientific information.

i

Explosion temperatures of metals and other elemental dust clouds [2007]

2007/07/01
By Cashdollar, Kenneth L. ; Zlochower, Isaac A.
Source: Kenneth L. Cashdollar, Isaac A. Zlochower. Explosion temperatures and pressures of metals and other elemental dust clouds. Journal of Loss Prevention in the Process Industries, Volume 20, Issues 4–6. 2007. Pages 337-348. ISSN 0950-4230. https://doi.org/10.1016/j.jlp.2007.04.018
Series: Mining Publications

[PDF-1.25 MB]

English

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Details:

Journal Article:

Journal of Loss Prevention in the Process Industries
Personal Author:

Cashdollar, Kenneth L. ; Zlochower, Isaac A.

Cashdollar, Kenneth L. ; Zlochower, Isaac A. Less -
Corporate Authors:

National Institute for Occupational Safety and Health
Description:

The Pittsburgh Research Laboratory of the National Institute for Occupational Safety and Health (NIOSH) conducted a study of the explosibility of various metals and other elemental dusts, with a focus on the experimental explosion temperatures. The data are useful for understanding the basics of dust cloud combustion, as well as for evaluating explosion hazards in the minerals and metals processing industries. The dusts studied included boron, carbon, magnesium, aluminum, silicon, sulfur, titanium, chromium, iron, nickel, copper, zinc, niobium, molybdenum, tin, hafnium, tantalum, tungsten, and lead. The dusts were chosen to cover a wide range of physical properties-from the more volatile materials such as magnesium, aluminum, sulfur, and zinc to the highly "refractory" elements such as carbon, niobium, molybdenum, tantalum, and tungsten. These flammability studies were conducted in a 20-L chamber, using strong pyrotechnic ignitors. A unique multiwavelength infrared pyrometer was used to measure the temperatures. For the elemental dusts studied, all ignited and burned as air-dispersed dust clouds except for nickel, copper, molybdenum, and lead. The measured maximum explosion temperatures ranged from "-1550K for tin and tungsten powders to "-2800K for aluminum, magnesium, and titanium powders. The measured temperatures are compared to the calculated, adiabatic flame temperatures.
Subjects:

[+]

Mining Occupational Health Safety
Keywords:

[+]

Analytical-processes Dust-particles Explosion-prevention Explosive-dusts Metal-dusts Metal-mining Metallic-dusts Mining-industry Particulate-dust Particulates
Source:

Kenneth L. Cashdollar, Isaac A. Zlochower. Explosion temperatures and pressures of metals and other elemental dust clouds. Journal of Loss Prevention in the Process Industries, Volume 20, Issues 4–6. 2007. Pages 337-348. ISSN 0950-4230. https://doi.org/10.1016/j.jlp.2007.04.018
Series:

Mining Publications
Subseries:

Journal of Loss Prevention in the Process Industries
DOI:

https://doi.org/10.1016/j.jlp.2007.04.018
ISSN:

0950-4230
Document Type:

Text
Genre:

Journal Article
CIO:

National Institute for Occupational Safety and Health (NIOSH)
Division:

PRL - Pittsburgh Research Laboratory
Topic:

Workplace Safety & Health
Location:

North America
Pages in Document:

12 pdf pages
Volume:

20
Issue:

4
Citation:

J Loss Prev Process Ind 2007 Jul/Nov; 20(4-6):337-348
Contact Point Address:

Kenneth L. Cashdollar, NIOSH, Pittsburgh Research Laboratory, P.O. Box 18070, Cochrans Mill Road, Pittsburgh, PA 15236
Email:

KCashdollar@cdc.gov
CAS Registry Number:

Carbon (CAS RN 7440-44-0) ; Magnesium (CAS RN 7439-95-4) ; Aluminum (CAS RN 7429-90-5) ; Sulfur (CAS RN 7704-34-9) ; Titanium (CAS RN 7440-32-6) ; ... More +

Carbon (CAS RN 7440-44-0) ; Magnesium (CAS RN 7439-95-4) ; Aluminum (CAS RN 7429-90-5) ; Sulfur (CAS RN 7704-34-9) ; Titanium (CAS RN 7440-32-6) ; Iron (CAS RN 7439-89-6) ; Nickel (CAS RN 7440-02-0) ; Copper (CAS RN 7440-50-8) ; Zinc (CAS RN 7440-66-6) ; Molybdenum (CAS RN 7439-98-7) ; Tin (CAS RN 7440-31-5) ; Hafnium (CAS RN 7440-58-6) ; Lead (CAS RN 7439-92-1) ; Boron (CAS RN 7440-42-8) ; Chromium (CAS RN 7440-47-3) ; Niobium (CAS RN 7440-03-1) ; Silicon (CAS RN 7440-21-3) ; Tantalum (CAS RN 7440-25-7) ; Tungsten (CAS RN 7440-33-7) Less -
Federal Fiscal Year:

2007
Peer Reviewed:

True
Collection(s):

National Institute for Occupational Safety and Health
Main Document Checksum:

[+]

urn:sha-512:4b82f9ee932c0337dc41fdeadc919f865a6b35b1d18e995dd1174f4abdabfcb2e7aefff090ce8fb5f88be9b39aafa6680731d6c34b93b10edf30e99b3f32fa32
Download URL:

https://stacks.cdc.gov/view/cdc/8758/cdc_8758_DS1.pdf
File Type:

No Additional Files

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Explosion temperatures of metals and other elemental dust clouds [2007]

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