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RECORD NUMBER: 4542 OF 4742

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Main Title

TRS-80 in-Stack Opacity Computer Programs: User and Programmer Manual.

Author

Cowen, S. J. ; Ensor, D. S. ; Sparks, L. E. ;

CORP Author

Atmospheric Research Group, Altadena, CA. ;Research Triangle Inst., Research Triangle Park, NC.;Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.

Year Published

1985

Report Number

EPA/600/8-85/027;

Stock Number

PB86-130218

Additional Subjects

Manuals ; Computer programs ; Opacity ; Chimneys ; Air pollution ; Monitors ; Sources ; Particle size ; Particle size distribution ; Mass ; Concentration(Composition) ; Aerosols ; Design criteria ; Performance evaluation ; User manuals(Computer programs) ; TRS-80 models ; BASIC programming language

Holdings

Library	Call Number	Additional Info	Location	Last Modified	Checkout Status
NTIS	PB86-130218	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

90p

Abstract

The manual describes a microcomputer program written to estimate instack opacity from ducted sources. Input data required to run the program are the particle size distribution, particle refractive index, mass emission concentration, wavelength of light, particle density, and stack diameter. The particle size distribution may be entered either as a histogram of particle diameter and fraction-greater-than-stated diameter or as log normal particle size distribution. The program calculates and displays the in-stack opacity. The program is written in the BASIC computer language and is specifically designed for the TRS-80 Model I, II, and IV computers. A moderate effort will be required to convert the programs to the IBM-PC and similar computers.

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