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United Kingdom

Original text. Later amendments are not shown.

BTA

  • CO2 emission of the vehicle under type approval conditions [g CO2/km]

    • C CO 2

  • CO2 savings [g CO2/km]

    • CO2

  • Carbon dioxide

    • CO2 (Tk)

  • Arithmetic mean of the CO2 emissions of the vehicle measured using NEDC cycle, ambient temperature of 14 °C and engine coolant start temperatures Tk [g CO2/km]

    • deng

  • Temperature decay factor of the engine coolant cool down curve [1/h]

    • dEST

  • Temperature decay factor of the EST cool down curve [1/h]

    • EST

  • Enthalpy Storage Tank

    • K

  • Effective ratio of thermal inertias [-]

    • m

  • Number of measurements of the sample

    • NEDC

  • New European Driving Cycle

    • NP T eng ti

  • Normalised fuel consumption potential at the engine coolant start temperature for the selected parking times ti [-]

    • pt

  • Parking time [h]

    • Teng

  • Temperature of the engine coolant during parking time [°C]

    • Tengmod

  • Theoretical engine coolant temperature after discharging the EST system [°C]

    • TEST

  • Temperature of the EST coolant during parking time [°C]

    • Tcold

  • Cold start temperature [°C] which is 14 °C

    • Thot

  • Hot start temperature [°C] which is the coolant temperature reached at the end of the NEDC cycle

    • SOC

  • State of charge

    • SVSpt

  • Share of parking time distribution [%] as defined in Table 6

    • WFti

  • Weighting factor for the parking time ti [%] as defined in Table 3