Rolling resistance coefficient definition

Rolling resistance coefficient. (Cr) means the ratio of the rolling resistance to the load on the tyre.4"
Rolling resistance coefficient. (Cr) means the ratio of the rolling resistance to the load on the tyre.4" Paragraph 2.20.4., amend to read:
Rolling resistance coefficient means the ratio of the

Examples of Rolling resistance coefficient in a sentence

  • Rolling resistance coefficient (temperature and drum diameter corrected): .....................................................

  • Rolling resistance coefficient results obtained at an ambient temperature of 25°C for different inflation pressures (Tire B 25°C 315/70R22.5) For further analysis, the differences in fuel consumption were calculated (Tab.2).

  • As a rule, the tyre inflation pressure and thus the deflection for a certain type of tyre are rather constant, and therefore the wheel diameter alone has an important role in determining the ROLLING RESISTANCE COEFFICIENT 0.5 0.4 0.3 FRE WESF WESL WIS ROW GEE DWY BRI ASH MAC 0.2 0.1 0.00.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3WHEEL DIAMETER, mFigure 2.5 Rolling resistance coefficient by different models as a function of the wheel diameter.

  • Figure 8.4: Rolling resistance coefficient Cr versus remaining tread depth of the tyre, for a very smooth-textured surface (lower curve) versus a rough-textured surface (upper curve).

  • Fig.9. Rolling resistance coefficient results obtained at an ambient temperature of 25°C for different inflation pressures (Tire A 275/80R22.5) Fig.10.

  • Rolling resistance coefficient RRC: Ratio of Fr to the load on the tyre [kg/t] or [N/kN].

  • The rolling resistance coefficient with road surface influence, in speed range of 50-110 km/h, is shown in Eq.7: Rolling resistance coefficient (RRC) = Constant + 0.0020∙MPD + X∙IRI Eq.7 Where: MPD is measured in accordance with ISO 13473-1 X is a constant yet to be determined "Constant" is a value unique to a certain tyre and several other circumstances, usually 0.008 to0.012 for light vehicles and approximately 50-60 % of that for heavy vehicles.

  • RRC = RRF/Lm RRC = Rolling resistance coefficient (dimensionless) RRF = Rolling resistance in newtonsLm = Test load in knewtonsEquation IV-2.

  • Rolling resistance coefficient (temperature and drum diameter corrected): ......................................................................................................................................

  • Rolling resistance coefficient (RRC) for Category 1/2 pavement Speed (km/h)50607085100MPD (mm)1.5381.5381.5381.5381.538IRI (mm/m)22222RRC*0.01470.01620.01780.02000.0223*Results rounded to four decimal places Similarly, if the threshold value of 0.4 mm were used as the texture depth for Category 3/4 pavement, the MPD will be, calculated using Eq.8, 0.658 mm.

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