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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Computer simulation in the design of local exhaust hoods for shielded metal arc welding.
    Author: Tum Suden KD, Flynn MR, Goodman R.
    Journal: Am Ind Hyg Assoc J; 1990 Mar; 51(3):115-26. PubMed ID: 2327323.
    Abstract:
    Computer simulations were used to examine competing exhaust hood configurations for shielded metal arc welding. The welder's breathing zone concentration appears to be an inverse linear function of the computer-predicted hood capture efficiency. Hood aspect ratio, hood flow, and the welder's position relative to the hood all have a significant effect on the breathing zone concentration. The height of the hood above the welding surface showed no significant effect in reducing breathing zone concentration. Further examination of breathing zone concentration as a function of capture efficiency is needed before reliable design methods can be developed using this parameter.
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