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Heat Transfer Research

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ISSN Печать: 1064-2285

ISSN Онлайн: 2162-6561

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.7 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.6 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00072 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.43 SJR: 0.318 SNIP: 0.568 CiteScore™:: 3.5 H-Index: 28

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DESIGN OF VENTILATION SYSTEMS AND FIRE SCENARIOS IN MINES AND ESTABLISHING THE SAFETY ZONE WITH ANALYSIS OF ESCAPE ROUTES

Том 49, Выпуск 3, 2018, pp. 219-233
DOI: 10.1615/HeatTransRes.2017019130
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Краткое описание

In this study, fire scenarios that may occur in mines have been prepared by means of Computational Fluid Dynamics (CFD), and the results obtained from modifying the direction and velocity of airflow in tunnel entrances and exits have been examined. The operating parameters of the ventilation system (air velocity and direction) were taken as a basis in the underground mine model, and a fire pool was prepared. Fire analyses with heat release rate (HRR) values of 1, 2, 3, 4, and 6 MW were conducted based on different scenarios. Temperature distributions and smoke movements within the tunnel were analyzed. An attempt was made to create scenarios to provide workers with correct guidance in the event of a fire, based on the results obtained from the mine model. It was seen in the created scenarios that temperature distribution and smoke movement have quite dynamic structures in a time-dependent manner. Furthermore, the change in the differences of the distances to the so-called safety zones for workers, where fire smoke or temperature increase are absent, was examined. As a result of this study, the effects that may arise in the mining sector related to fire were reviewed, and the importance of critical decisions that are required at the moment of an accident is illustrated by means of diagrams. This study revealed that a correct response in the entrance and exit conditions allows adequate time for evacuation of all workers, while an incorrect response could cause an increase in the expansion rate of poisonous gases stemming from the fire.

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