A Three Step NOx Reduction Programme: Achievements With the Single Annular Low-NOx Combustor for the BR 700 Engine Family

Author:

Brehm Norbert1,Baker Stephen J.1,Jones Steven P.1

Affiliation:

1. BMW Rolls-Royce AeroEngines, Dahlewitz

Abstract

The social responsibility for the environment, in conjunction with the threat of more stringent emissions regulations requirements, initiated a comprehensive NOx-emissions reduction programme in BMW Rolls-Royce. The achievements of the first step for NOx-emissions reduction by optimisation of the single annular combustor stoichiometry and mixing are presented. The combustor development programme is described, and rig and engine test results are compared. The NOx-certification levels achieved with the BR 710 single annular low NOx-combustor are down to 55 % of the actual ICAO limit.

Publisher

American Society of Mechanical Engineers

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