Rolls Royce 1004227 Manual Do Utilizador

2-16 

Distinguishing 

Features  

(from earlier 

models) 

RT62 Power Turbine 

Single Crystal Turbine Blades 

(HPT & IPT) 

Radial Can-Annular DLE 

Combustor 

The Radial DLE combustor is 

a radical departure from the 

aero version with DLE 

designed in up front 

Phase 5 annular combustor 

(similar to Aero Trent) 

 

Number of 

Combustors 

Single fully annular 

combustor with steel outer 

casing and NIMONIC 263 

liner 

Eighteen fuel nozzles 

Series Staged 9 Can Type 

DLE radially mounted pre-mix 

lean burner chambers with a 

single fuel injector for each 

can 

8 Can Type DLE with reverse 

flow Perpendicular to the Axis 

of Rotation 

3 stage lean burn DLE 

Combustor Materials-INCO 

625 and Haynes 230 

24? fuel burners on standard 

Phase 5 Combustor 

Dual Fuel Capable 

  

Emission 

Capabilities 

170+ ppmv NO

x

 @ 15% O

2

 

DLE 25 vppm NOx on gas

42 vppm NO

x

 on liquid fuel 

with water injection 

25 ppm CO 

25 ppmv NOx, 25 ppmv CO 

at 15% O2 on gas 

Water injection is required for 

LF operation 

NO

x

 - 25 vppm 

  CO < 32 vppm 

(diffusion burner with water 

injection) 

DLE combustor uses 2 stages with precise control 

of the fuel flow division rather than trying to 

control the air flow 

RB211 has over 250,000 DLE fired hours of 

operation 

Emission 

Abatement 

Configuration 

Standard combustor - DLE 

retrofit available? 

DLE Combustion System - 

Standard Combustor 

Available? 

DLE Combustion System 

Water injection thru combined 

fuel / water injectors 

 RB211 uses WI for NOx control on LF 

Control System 

Flexitrend by En-Tronic 

Flexitrend by En-Tronic 

Woodward 

Woodward 

 Utilizes time proven control systems with digital 

electronics 

Proven operation in remote areas with operator-

less control and protection. 

Options  

Integrated auxiliary drive fro 

lube oil, seal oil and hydraulic 

systems