Prediction of the maximum air velocities created by metro trains using an artificial neural network approach

KOC, Gencer; SERT, CÜNEYT; Albayrak, KAHRAMAN

doi:10.1177/0954409713488100

Prediction of the maximum air velocities created by metro trains using an artificial neural network approach

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART F-JOURNAL OF RAIL AND RAPID TRANSIT, cilt.228, sa.7, ss.759-767, 2014 (SCI-Expanded)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 228 Sayı: 7
Basım Tarihi: 2014
Doi Numarası: 10.1177/0954409713488100
Dergi Adı: PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART F-JOURNAL OF RAIL AND RAPID TRANSIT
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Sayfa Sayıları: ss.759-767
Orta Doğu Teknik Üniversitesi Adresli: Evet

Özet

The maximum air velocity created by a moving train inside a tunnel is obtained using an artificial neural network approach. A neural network model is developed to represent a single train travelling in a single tunnel. A set of non-dimensional groups, which are known to influence the induced flow characteristics, is used for the training of the neural network. Various test runs are compared with the results of the authoritative software, Subway Environmental Simulation. The presence of ventilation shafts within a tunnel is included in the model by defining an aerodynamically equivalent single tunnel using major head loss characteristics of different parts of the system. This approach eliminated the requirement to train the neural network for a large number of possible tunnel/shaft configurations.