A Study of the Effect of the Front-End Styling of Sport Utility Vehicles on Pedestrian Head Injuries

Table 2

Front-end styling feature parameters of the SUV models and their descriptions.

	Parameter	Description
Parameters based on the Euro NCAP protocol	HLEH	Hood leading edge height
	UBH	Upper bumper height
	LBH	Lower bumper height
	BL	Bumper lead
	WADHLE	Wrap-around distance at the hood leading edge
	α	Angle between the tangent of the hood at the WAD1125 point and the horizontal
	β	Angle between the tangent of the hood at the WAD1375 point and the horizontal
	γ	Angle between the tangent of the hood at the WAD1650 point and the horizontal
	δ	Angle between the tangent of the hood at the WAD2000 point and the horizontal
Parameters based on vehicle structure	BCH	Bumper center height
	GR	Grille radius
	HLER	Hood leading edge radius
	HA	Hood angle
	HR	Hood radius
	HL	Hood length
	WADHFE	Wrap around distance at the hood front edge
	WADHRE	Wrap around distance at the hood rear edge