Traduction de «Cycle normalisé au banc pour moteurs diesel » (Français → Anglais) :

2. The Standard Diesel Bench Cycle reproduces the engine speed and load conditions that are encountered in the SRC cycle as appropriate to the period for which durability is to be determined.

Ageing on the bench is conducted by following the standard diesel bench cycle (SDBC) for the number of regenerations/desulphurisations calculated from the bench ageing duration (BAD) equation.

Propulsion engines that operate on a fixed-pitch propeller curve shall be tested on a dynamometer using the following 4-mode steady-state cycle 2 developed to represent in-use operation of commercial marine diesel engines:

The test cycle consists of a number of speed and torque (load) modes, which cover the typical operating range of diesel engines.

During a prescribed transient cycle of operating conditions, with the engine warmed up, based closely on the operating conditions of diesel engines installed in nonroad machinery, the above pollutants shall be examined.

The most significant aspects of this proposal are as follows: - the harmonization covered by the Directive is no longer optional but mandatory in all of the Member States (just like the consolidated proposal on "passenger cars"); - the limit values proposed for gaseous pollutants are lower than those set out in Directive 88/77, the figures lying between 40 and 60%; - it is possible to compare the proposed limit values with those in the other European countries since the test cycle adopted by the Community is that which best reflects the conditions under which heavy lorries are used on European highways and motorways, and is the same as ...[+++] that in force in the EFTA and COMECON countries; - the experts consulted by the Commission have demonstrated that the European engine makers have available, or are currently perfecting, technologies enabling commercial-vehicle diesel-engine emissions to be reduced considerably.