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TOPIC OUTLINE

  Axial-Flow Compressor Characteristics

  Development of Pressure Ratio

  View of an Axial Compressor Stage

  Axial-Flow Compressor Blades  Blade Cross-Section omenclature

  !nerg" #ncreased $hrough Several Stages

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AXIAL-FLOW COMPRESSOR

CHARACTERISTICS

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DEVELOPMENT OF PRESSURE

RATIO OVER THE PAST 50 YEARS

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VIEW OF AN AXIAL-FLOW

COMPRESSOR STAGE

R%$%R & Row of rotating

'lades

S$A$%R & Row of stationar"

'lades

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AXIAL-FLOW COMPRESSOR

BLADES

Convex Side & suction side of

the 'ladeConcave Side & pressure side of

the 'lade

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BLADE CROSS-SECTION

NOMENCLATURE

c, chord length & length from the (! to the $! of a 'lade

cross section that is parallel to the

vertical axis of s"mmetr"

mean camber line & line halfwa" 'etween the upper and lowersurfaces

camber  & maximum distance 'etween the mean cam'er line and

the chord linethickness & distance 'etween the upper surface and lower surface

measured perpendicular to the mean cam'er line

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ENERGY INCREASED THROUGH

SEVERAL STAGES

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ENERGY INCREASED THROUGH

SEVERAL STAGES