Basic
Systems
•Multiple
•TuboAnnular
C O M B U S T I O •Annular
N CHAMBER

Intro

Process
Types

Fuel Supply
Materials
AE ...
Multipl
e
Intro

Process
Fuel Supply
Materials
C O M B U Types N C H A M B E R AE 424
STIO
• Each interconnected can has its own fuel
injector, igniter, liner, and casing; all acting as
an individual burner units
...
• Air from the compressor enters each
individual chamber through a transition
section.
• Combustion occurs within the inne...
Pros and Cons
• a high resistance to
warpage because of
large degree of
curvature

Intro

• amount of space
required and t...
Annular
• Annular inner and outer AIR CASINGS
form a tunnel around the centre line of
the engine
• The FLAME TUBE is located in th...
• USAGE: both small and large engines
• MOST EFFICIENT: thermal efficiency,
weight, and physical size
• Process: similar t...
TuboOr
annular
Cannular
• The “Half-Way House”
• combination of both annular (outer shell) and
can-type (number of cans) designs mounted
about the...
• was invented by Pratt & Whitney
• removable steel shroud= encircles the entire
combustion section.
• multiple burner can...
Intro

Process
Fuel Supply
Materials
C O M B U Types N C H A M B E R AE 424
STIO
Summary

• Multiple- earlier engines usage; simple
to dismantle; bulky
• Tubo-annular- more compact, with a
smooth exterio...
Combustion Chamber 2/5
Combustion Chamber 2/5
Combustion Chamber 2/5
Combustion Chamber 2/5
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Combustion Chamber 2/5

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Combustion Chamber 2/5

  1. 1. Basic Systems •Multiple •TuboAnnular C O M B U S T I O •Annular N CHAMBER Intro Process Types Fuel Supply Materials AE 424
  2. 2. Multipl e Intro Process Fuel Supply Materials C O M B U Types N C H A M B E R AE 424 STIO
  3. 3. • Each interconnected can has its own fuel injector, igniter, liner, and casing; all acting as an individual burner units • The interconnectors are required for flame propagation during ignition and for even pressure distribution throughout the combustion section. (flame propagation tubes) Intro Process Fuel Supply Materials C O M B U Types N C H A M B E R AE 424 STIO
  4. 4. • Air from the compressor enters each individual chamber through a transition section. • Combustion occurs within the inner liner. • Louvers and holes control airflow into the combustion area. Intro Process Fuel Supply Materials C O M B U Types N C H A M B E R AE 424 STIO
  5. 5. Pros and Cons • a high resistance to warpage because of large degree of curvature Intro • amount of space required and the added weight because of the shape Process Fuel Supply Materials C O M B U Types N C H A M B E R AE 424 STIO
  6. 6. Annular
  7. 7. • Annular inner and outer AIR CASINGS form a tunnel around the centre line of the engine • The FLAME TUBE is located in the space between the inner and outer air ** provides a larger casing. combustion volume • unit for INTERCONNECTORS perNeedof exposed metal area Intro Process Fuel Supply Materials C O M B U Types N C H A M B E R AE 424 STIO
  8. 8. • USAGE: both small and large engines • MOST EFFICIENT: thermal efficiency, weight, and physical size • Process: similar to multiple-can design • Maintenance: removed as a single unit; complete separation of the engine at a major flange. Intro Process Fuel Supply Materials C O M B U Types N C H A M B E R AE 424 STIO
  9. 9. TuboOr annular Cannular
  10. 10. • The “Half-Way House” • combination of both annular (outer shell) and can-type (number of cans) designs mounted about the engine axis. • Inner combustion chamber casing: serves as structural support and a heat shield • Bearing oil supply lines run through it Intro Process Fuel Supply Materials C O M B U Types N C H A M B E R AE 424 STIO
  11. 11. • was invented by Pratt & Whitney • removable steel shroud= encircles the entire combustion section. • multiple burner cans assembled radially around the engine axis can-annular combustor (ease of maintenance) contains individual burner cans in an annular liner (compact efficiency) Intro Process Fuel Supply Materials C O M B U Types N C H A M B E R AE 424 STIO
  12. 12. Intro Process Fuel Supply Materials C O M B U Types N C H A M B E R AE 424 STIO
  13. 13. Summary • Multiple- earlier engines usage; simple to dismantle; bulky • Tubo-annular- more compact, with a smooth exterior and reduced weight • Annular system- much more compact system and, same power output and mass flow, shorter upto 25% length Intro Process Fuel Supply Materials C O M B U Types N C H A M B E R AE 424 STIO
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