![Huge Ventilation Fans Just Like an Airliner's Engines: Understanding the Ventilation System Essential for a Safe Tunnel Environment | Business Solutions | Products & Solutions | Feature Story | Panasonic Newsroom Global Huge Ventilation Fans Just Like an Airliner's Engines: Understanding the Ventilation System Essential for a Safe Tunnel Environment | Business Solutions | Products & Solutions | Feature Story | Panasonic Newsroom Global](https://news.panasonic.com/global/stories/images/03_Yamatogawa_Route_2020.jpg)
Huge Ventilation Fans Just Like an Airliner's Engines: Understanding the Ventilation System Essential for a Safe Tunnel Environment | Business Solutions | Products & Solutions | Feature Story | Panasonic Newsroom Global
![Operation of a jet fan: (a) normal operation (forward direction), (b)... | Download Scientific Diagram Operation of a jet fan: (a) normal operation (forward direction), (b)... | Download Scientific Diagram](https://www.researchgate.net/publication/271963575/figure/fig3/AS:295207594676224@1447394383067/Operation-of-a-jet-fan-a-normal-operation-forward-direction-b-emergency-operation.png)
Operation of a jet fan: (a) normal operation (forward direction), (b)... | Download Scientific Diagram
![Ventilation System Parking Lot Tunnel Jet Fan Stock Photo - Download Image Now - Tunnel, Air Duct, Order - iStock Ventilation System Parking Lot Tunnel Jet Fan Stock Photo - Download Image Now - Tunnel, Air Duct, Order - iStock](https://media.istockphoto.com/id/1188309772/photo/ventilation-system-parking-lot-tunnel-jet-fan.jpg?s=1024x1024&w=is&k=20&c=N1qwVYh3rc2uRtLfIJO7IWr3UxWr6UQs82HASeyHNpY=)
Ventilation System Parking Lot Tunnel Jet Fan Stock Photo - Download Image Now - Tunnel, Air Duct, Order - iStock
![Application of multi-objective optimization techniques to improve the aerodynamic performance of a tunnel ventilation jet fan - Joon-Hyung Kim, Jin-Hyuk Kim, Joon-Yong Yoon, Young-Seok Choi, Sang-Ho Yang, 2015 Application of multi-objective optimization techniques to improve the aerodynamic performance of a tunnel ventilation jet fan - Joon-Hyung Kim, Jin-Hyuk Kim, Joon-Yong Yoon, Young-Seok Choi, Sang-Ho Yang, 2015](https://journals.sagepub.com/cms/10.1177/0954406214531566/asset/images/large/10.1177_0954406214531566-fig2.jpeg)