Title:
鉄道車両の気流はく離抑制構造
Document Type and Number:
Japanese Patent JP5818443
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an air flow separation suppression structure of a moving body that suppresses separation of an air flow from the head of the moving body by a simple structure.SOLUTION: A separation suppression part 6 guides an air flow F from the vehicle-body end surface 3a of a vehicle 2 to the vehicle-body side surfaces 3b, 3c and the vehicle-body upper surface 3d of the vehicle 2, thereby suppressing separation of the air flow F from the head of the vehicle 2. When the vehicle 2 travels in the X axis direction, the air flow F toward the vehicle-body end surface 3a collides with a guide part 9 and the air flow F, having collided with the guide part is guided to the separation suppression part 6 by the guide part 9. Thus, the air flow F is guided from the vehicle-body end surface 3a to the vehicle-body side surfaces 3b, 3c and the vehicle-body upper surface 3d and the air flow F flows along the surfaces of the vehicle-body side surfaces 3b, 3c and the vehicle-body upper surface 3d. As a result, this structure suppresses an increase in the apparent cross-sectional area of the head of the vehicle 2 and reduces a pressure variation occurring when the vehicle 2 runs into a tunnel or the like.
Inventors:
Sakuma Yutaka
Application Number:
JP2011009204A
Publication Date:
November 18, 2015
Filing Date:
January 19, 2011
Export Citation:
Assignee:
Railway Technical Research Institute
International Classes:
B61D17/02; B61D17/06
Domestic Patent References:
| JP2009132361A | ||||
| JP2010228559A |
Foreign References:
| US3929369 |
Attorney, Agent or Firm:
Taketo Okuma