Airflow inside tunnel boring machine: A numerical study and an experimental verification

Q: How can I download an article?

To download an article from SID, first log in to the site, search for the article title, and click on the 'Download Article' option.

Q: How can I download an ISI article?

To download an ISI article on SID, enter the keyword or article title in the search bar, view the relevant results, click on the desired article, and select the 'Download Article' option.

Q: How can I access the SID database?

To access the SID database, visit SID.ir, create an account, and log in to access scientific resources.

Q: Is downloading articles from SID free?

Some articles on SID are available for free, while others require payment. Details are specified on the article's page.

Nezarat H.R.; JALALI S.M.E.; NAZARI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES) Year:2019 | Volume:10 | Issue:3 Page(s): 623-632

Download Full-Text

Persian Verion

View:

387

Download:

145

Cites:

Information Journal Paper

Title

Airflow inside tunnel boring machine: A numerical study and an experimental verification

Author(s)

Nezarat H.R. | JALALI S.M.E. | NAZARI M. | Issue Writer Certificate

Keywords

AirflowQ1

Tunnel Boring MachineQ1

VentilationQ2

Computational Fluid DynamicsQ2

ModelingQ2

Abstract

Knowledge of the Airflow distribution inside a Tunnel Boring Machine (TBM) can create a safe working environment for workers and machinery. The Airflow quality and the related mass flow rate in the Ventilation system should be sufficient to dilute gases and remove dust inside the tunnel. In this work, Airflow distribution in the single shield TBM tunnel was studied using Computational Fluid Dynamics. The finite volume-based finite element method was used in the simulation based on the 3D complex geometry of TBM. In order to validate the numerical results, the air velocity inside the Chamshir tunnel was measured experimentally at different sections. With a length of 7050 m and a final diameter of 4. 6 m, the Chamshir water transport tunnel is located in the south of Iran. The results obtained show that there is not enough Airflow in 59. 6% of the TBM space in the current working conditions. In other words, there are many dead zones from the control cabin to the end of gantry 6 in the backup system. Several applicable scenarios were studied to remove the dead zone area and optimize the Airflow velocity by employing high capacity jet fan in the Ventilation system. The results show that the dead zone volume can be decreased by about 5. 21% by increasing the Airflow rate of the jet fan.

Cites

No record.

References

No record.

Cite

APA: Copy

Nezarat, H.R., JALALI, S.M.E., & NAZARI, M.. (2019). Airflow inside tunnel boring machine: A numerical study and an experimental verification. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), 10(3 ), 623-632. SID. https://sid.ir/paper/256401/en

Vancouver: Copy

Nezarat H.R., JALALI S.M.E., NAZARI M.. Airflow inside tunnel boring machine: A numerical study and an experimental verification. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES)[Internet]. 2019;10(3 ):623-632. Available from: https://sid.ir/paper/256401/en

IEEE: Copy

H.R. Nezarat, S.M.E. JALALI, and M. NAZARI, “Airflow inside tunnel boring machine: A numerical study and an experimental verification,” JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), vol. 10, no. 3 , pp. 623–632, 2019, [Online]. Available: https://sid.ir/paper/256401/en

Related Journal Papers