Study on the Radial and Axial Temperature Fields of Coal Roadway under Seasonal Fluctuation Boundary

المؤلفون المشاركون

Li, Sen
Song, Huaitao
Qin, Yueping
Wu, Jiansong
Wang, Gongzhong
Niu, Cong
Wu, Zeqi

المصدر

Mathematical Problems in Engineering

العدد

المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-17، 17ص.

الناشر

Hindawi Publishing Corporation

تاريخ النشر

2019-08-08

دولة النشر

مصر

عدد الصفحات

17

التخصصات الرئيسية

هندسة مدنية

الملخص EN

The underground ventilation in coal mine comes from the ground air so that the seasonal fluctuation of atmospheric temperature inevitably has influence upon its climate.

The paper obtains a simplified mathematical calculation method of the radial and axial temperature fields to furnish a supplement to air temperature prediction of coal roadway with the emphasis on the influence of seasonal characteristic of inlet airflow.

The results reveal that the propagation of radial and axial temperature wave has the similar characteristic of amplitude decay and phase delay.

In the radial direction, the main factor is the dimensionless annual cycle time; and in the axial direction, it is influenced by the location-related dimensionless time, the Nusselt number, the Biot number, and the dimensionless annual cycle time.

In addition, for the wave amplitude, they present the negative exponential trend as the location increases, the overall shape of which resembles a folded page; for the delayed phase, they present the linear variation trend as the location increases, the overall shape of which resembles a parallelogram.

In the paper, the evolution mechanism of temperature field of coal roadway under seasonal fluctuation boundary is profoundly comprehended, which has important guiding significance for the field engineer.

نمط استشهاد جمعية علماء النفس الأمريكية (APA)

Song, Huaitao& Qin, Yueping& Wu, Jiansong& Wang, Gongzhong& Li, Sen& Niu, Cong…[et al.]. 2019. Study on the Radial and Axial Temperature Fields of Coal Roadway under Seasonal Fluctuation Boundary. Mathematical Problems in Engineering،Vol. 2019, no. 2019, pp.1-17.
https://search.emarefa.net/detail/BIM-1194646

نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)

Song, Huaitao…[et al.]. Study on the Radial and Axial Temperature Fields of Coal Roadway under Seasonal Fluctuation Boundary. Mathematical Problems in Engineering No. 2019 (2019), pp.1-17.
https://search.emarefa.net/detail/BIM-1194646

نمط استشهاد الجمعية الطبية الأمريكية (AMA)

Song, Huaitao& Qin, Yueping& Wu, Jiansong& Wang, Gongzhong& Li, Sen& Niu, Cong…[et al.]. Study on the Radial and Axial Temperature Fields of Coal Roadway under Seasonal Fluctuation Boundary. Mathematical Problems in Engineering. 2019. Vol. 2019, no. 2019, pp.1-17.
https://search.emarefa.net/detail/BIM-1194646

نوع البيانات

مقالات

لغة النص

الإنجليزية

الملاحظات

Includes bibliographical references

رقم السجل

BIM-1194646