Applied SciencesAccurate assessment of aerodynamic resistance in mine ventilation networks is essential for ensuring operational safety and energy efficiency, yet traditional measurement approaches remain time-consuming and prone to uncertainty.
Andrzej Szmuk +3 more
doaj +1 more source
Application of Semi-Empirical Ventilation Models in A Mediterranean Greenhouse with Opposing Thermal and Wind Effects. Use of Non-Constant Cd (Pressure Drop Coefficient Through the Vents) and Cw (Wind Effect Coefficient) [PDF]
, 2019 The present work analyses the natural ventilation of a multi-span greenhouse with one roof vent and two side vents by means of sonic anemometry. Opening the roof vent to windward, one side vent to leeward, and the other side vents to windward (this last ...
Espinoza Ramos, Karlos +5 more
core +1 more source
Analysis of a ventilation network in a multiple fans limestone mine [PDF]
, 2014 As mining progresses the total resistance of an excavation is increased, the mine characteristic curve becomes steeper, and the operating point moves up the fan curve, reducing the total air quantity and increasing the system pressure.
Haghighat, Ali
core +1 more source
Diseño y modelamiento con los softwares Ventsim y Vuma-3D, para optimizar el circuito de ventilación en zona esperanza, U.M San Juan de Arequipa [PDF]
, 2021 El presente trabajo de Investigación abordo el tema de diseño y modelamiento con el soporte de los softwares Ventsim Design 5.1 y Vuma-3D Network 2020, para optimizar el caudal y temperatura en la zona esperanza de la Unidad Minera San Juan de Arequipa ...
Pierola Torres, Roger
core +1 more source
Behavior in air leakage and recirculation under the influence of booster fans [PDF]
, 2014 A booster fan is an underground mechanical ventilation equipment installed in series with a main surface fan that is used to boost the air pressure provided by the surface main fan passing through it. As mining continues to expand and go deeper, the need
Feledi, Koziba
core +1 more source
Optimización del sistema de ventilación a corto plazo en la Unidad Operativa Pallancata - Ayacucho [PDF]
, 2021 El estudio se enfoca en U. O. Pallancata, perteneciente Compañía Ares S.A.C. una mina con vetas variantes 0.3 – 3.0 m. de potencia, productora de plata con normas 254 g/TM y oro con leyes 1.82 g/TM, situado en la comunidad campesina de Pallancata ...
Loayza Huari, Alber
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Dynamic atmospheric signal analysis for improving mine safety and health [PDF]
, 2017 There are a number of contaminants generated from strata and equipment usage in underground mines including poisonous and combustible gases, as well as heat.
Asante, William K.
core +1 more source
Simulación del sistema de ventilación en la empresa GRUMINTOR S.A. [PDF]
, 2023 El presente trabajo de investigación se realizó con la finalidad de simular el sistema de ventilación de la mina Grumintor 3 de la empresa GRUMINTOR S.A ubicada en el Cantón Camilo Ponce Enríquez de la Provincia del Azuay, por consiguiente, se hizo ...
Ortega Quezada, George Manuel
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, 2016 thesisMine fires and explosions associated with spontaneous combustion (sponcom) can be the cause of mines closings temporarily or permanently. The risk of fatalities and production losses are also associated with the hazards of sponcom.
Bateman, Christopher Scott
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Selección y ubicación de ventiladores principales para mejorar las condiciones termo ambientales en la unidad minera aurífera Retamas S. A., Parcoy, La Libertad [PDF]
, 2023 El propósito de esta investigación es seleccionar y ubicar ventiladores principales con el propósito de bajar las altas temperaturas en la Unidad Minera Aurífera Retamas S.A.
Cansaya Papel, David
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