Slipangle?The angle between the direction of X axis anddirection of tire imprinting center0HXFV+α:
α 0 X Y FY FY：“+”，α： “-” u - + α Slip angle——α The angle between the direction of X axis and direction of tire imprinting center u
Tire SlipWhen a rolling pneumatic tire is subjected to alateral force, the tire will drift to the side. Thisphenomena is called Tire Slip. An angel will becreated between the direction of X axis of tireaxis system and the direction of travel. Thise一α（侧偏角）angel is known as slip angleInflation pressure , load and centrifugal forceinfluencethe Slip Angle
When a rolling pneumatic tire is subjected to a lateral force, the tire will drift to the side. This phenomena is called Tire Slip. An angel will be created between the direction of X axis of tire axis system and the direction of travel. This angel is known as slip angle ——α （侧偏角）. Inflation pressure , load and centrifugal force influence the Slip Angle. Tire Slip
Tire Slip275/30ZR19
Tire Slip 275/30 ZR19
3.Testing results about the variables which affectTireSlip（影响轮胎侧偏特性各因素的试验结果）(1) Cornering force——Fy, (lateral force——F,)F, 个= distortion 个= slip angle(α) 个aFy-7000k=aα-6000-5000where:kCornering StiffnessNIX-4000（侧偏刚度）3000FyLateral (cornering) force215-R15（侧偏力）-2000p:196.2kPaα一一SlipAngle（侧偏角）-1000上4121o68012a/()
where：k —— Cornering Stiffness （侧偏刚度） FY —— Lateral (cornering) force （侧偏力） α —— Slip Angle (侧偏角） F distortion slip angle Y （） FY k 3. Testing results about the variables which affect Tire Slip （影响轮胎侧偏特性各因素的试验结果） （1）Cornering force—— FY , (lateral force——Fy )
(2) TireBType :kradialpy>kbias-plyH子午斜交Width扁平率：(Aspect ratio)RHFlat - Ratio=B扁平率=（H/B）X100% (宽胎）> For broad tirelow flat ratio → k↑>For narrow tire（窄胎）high flat ratio → kl
• Type ： • Width （Aspect ratio) 扁平率： 子午 斜交 radial ply＞ bias ply k k B H Flat Ratio （2）Tire For broad tire （宽胎） low flat ratio → k↑ For narrow tire（窄胎） high flat ratio → k↓