… urban life. The objective of this study is to investigate the ventilation effectiveness of the
Banana® jet fan and the traditional straight jet fan … traffic condition from the tunnel. The effects of …

… Characteristics of smoke extraction by natural ventilation during a fire in a shallow urban
road tunnel with roof openings. Fire Safety Journal, 2014, 67(7):96-106. [16] Martegani, AD, …

… Besides, technical measures for the optimal arrangement of jet fans, for example, … jet fans,
the installation of jet fans away from the tunnel roof or the application of the alternative jet fans […

… the aerodynamic behaviors of jet fans in a curved tunnel, including the characteristic of
the airflow and the pressure distribution for different locations of jet fans and to establish an …

… of underground complex road networks or tunnel complexes in large urban cities (Fig. 1).
Different with classical tunnels, urban tunnel complexes are characterized by small radii, …

… To demonstrate the applicability of the improved correlation of traffic force in this paper, a
brief case study is conducted on Qianjiang Road Tunnel, an urban tunnel ventilated by jet fans …

… road tunnel, for different traffic jam conditions (Filling Tunnel … impulsive jet fan with silencers
inclined toward tunnel floor. … the air flux ejected from the inclined jet fan and cars. This work is …

… 150 ppm in urban tunnels, and 250 ppm in inter urban tunnels. For diesel smoke, the same
standards recommend permissible visibility limits of 0.005/m for urban tunnel with dense …

… Land in urban areas has traditionally been used for housing and entertainment purposes,
due … Jet fans were first utilized in tunnels and accordingly, many studies are known [7], [8], [9]. …

… jet fan adds considerable momentum (defined as the product of mass and velocity) to the
overall tunnel flow by dramatically - typical jet fan … the small mass of tunnel air that flows through …