Betekenis van:
coefficient of absorption

coefficient of absorption
Zelfstandig naamwoord
    • a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber

    Synoniemen

    Hyperoniemen


    Voorbeeldzinnen

    1. Maximum coefficient of absorption for:
    2. Location of the absorption coefficient symbol on the vehicle: …
    3. Location of the absorption coefficient symbol (compression ignition engines only): …
    4. Annex II: Example of the symbol of the corrected absorption coefficient
    5. The corrected absorption coefficient is 1,30 m-1 (in the case of a vehicle approval).
    6. The absorption coefficient XM to be recorded shall be the arithmetical mean of these four values.
    7. value of the absorption coefficient under free acceleration measured as prescribed in paragraph 2.4 of this Annex
    8. The smoke values of the test cycle must be measured in the light absorption coefficient readout mode.
    9. The indicating dial of the opacimeter shall enable an absorption coefficient of 1,7 m -1 to be read with an accuracy of 0,025 m-1.
    10. value of the absorption coefficient prescribed in Annex 4(4.2), for the nominal flow corresponding to the point of measurement which gave the value SM.
    11. For the determination of the light absorption coefficient from the opacity signal, the optical path length of the instrument must be supplied by the instrument manufacturer.
    12. A symbol of the corrected absorption coefficient shall be affixed to every vehicle conforming to a vehicle type to which this test applies.
    13. The sound absorption coefficient of each core (if measured). Specify the results both for each core and each frequency range as well as the overall average;
    14. Where this information is not available or where Member States’ competent authorities decide not to use it as a reference, the level of concentration must not exceed the level stated by the manufacturer or the limit values of the coefficient of absorption that are as follows: Maximum coefficient of absorption for:
    15. In the case of engines with an exhaust-driven supercharger the absorption coefficient measured under free acceleration shall not exceed the limit prescribed in Annex 7 for the nominal flow value corresponding to the maximum absorption coefficient measured during the tests at steady speeds, plus 0,5 m-l.