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Measurement of Frictional Pressure Differentials During a Ventilation Survey

Brian Prosser, Ian Loomis - January 2010

Publication - Published Paper

During the course of a ventilation survey, both airflow quantity and frictional pressure losses are measured and quantified.

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Ventilation Planning at Energy West’s Deer Creek Mine

Brian Prosser, L. Tonc, G. Gamble - June 2008

Publication - Published Paper

In 2004, the engineers at the Deer Creek Mine located near Huntington, Utah initiated the ventilation planning to exploit a remote area of the mine’s reserves.

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Ventilation Planning at the P.T. Freeport Indonesia’s GBC Mine

Keith Wallace, R. Sani, T. Semestario - August 2014

Publication - Published Paper

This paper describes the ventilation planning that was performed for the P.T. Freeport Indonesia’s Grasberg Block Cave (GBC) deposit located in the province of Irian Jaya, Indonesia.

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Design of a Recovery Ventilation System for the Deer Island Outfall Tunnel

Keith Wallace, I.J. Duckworth - January 2002

Publication - Published Paper

This paper describes a study to establish ventilation in a sewage outfall tunnel in Boston, Massachusetts. During construction of the outfall tunnel, ventilation was achieved by means of an auxiliary forcing duct and multiple, high-pressure fans.

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Continuous Monitoring of Natural Ventilation Pressure at the Waste Isolation Pilot Plant

Keith Wallace, Ian Loomis - June 1993

Publication - Published Paper

The ventilation system at the Waste Isolation Pilot Plant (WIPP) in Carlsbad, New Mexico, is designed to perform two distinct functions.

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Overall Fan System Efficiencies from In-Situ Measurements

John Bowling - June 2023

Publication - Presentation

The study discusses how data were measured, reflects on the limitations of in-situ measurements, and compares the differences between fan systems at coal, metal, and nonmetal operations.

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Ventilation Surveying and Modeling of Longwall Bleeder and Gob Areas

Brian Prosser, Nora Oswald - June 2006

Publication - Published Paper

Longwall bleeder and gob areas have long been one of the most challenging and uncertain areas in a ventilation model.

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Ventilation System Design for the CODELCO New Level Project

Keith Wallace, Brian Prosser, J.R. Donoso, A.F. Guerrero, J.C. Acevedo - June 2012

Publication - Published Paper

The CODELCO El Teniente mine is one of the largest underground copper mines in the world. Present production exceeds 130,000 tpd.

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Ventilation System Upgrades at the Waste Isolation Plant

Keith Wallace - June 2023

Publication - Presentation

This paper describes the analyses performed to size the new fans, filtration units and shaft to support work activities and to maintain proper flow alignment in the underground. The status of the capital projects will also be described.

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Comparison of Air Velocity Measurement Techniques

Keith Wallace - June 2021

Publication

This paper describes a study that compared a detailed grid survey using a hot wire anemometer against a digital and analog vane anemometers and smoke tubes.

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