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A Computer Program to Rapidly Screen Explosion-proof Enclosures.

Duda FT Jr.
MISSING :84 pages
A U.S. Bureau of Mines interactive Fortran computer program can screen explosion-proof enclosures intended for underground service. The program incorporates information and criteria to assist enclosure manufacturers and Mine Safety and Health Administration (MSHA) personnel by providing a first-order approximation of rectangular explosion-proof enclosure characteristics prior to actual certification testing. The program uses information and data that can be retrieved automatically during program execution. The program also performs the calculations for a series solution algorithm and various equations to evaluate the enclosure for both a static internal pressure and an internal explosion. The program writes the intermediate and final calculations and information concerning the status of the screening process to a summary file on a floppy disk. One data base contains MSHA certification requirements given in the code of federal regulations (30cfr18). A second data base contains material properties of acceptable construction materials and weld joint efficiencies. A series algorithm determines bolt and cover stresses for a simply supported rectangular cover with arbitrary bolt locations. Limit and yield line analysis is used to calculate the strength of body panels.
Publication Date
Document Type
IH; Information Circular;
Fiscal Year
Identifying No.
IC 9226
NIOSH Division
Source Name
Page last reviewed: November 26, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division