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Basic Steam Engineering 62b-201 Nucleate Boiling
[object Object],[object Object],Enabling Objectives
Boiling Process  In A Generating Tube ,[object Object],[object Object]
SUBCOOLED Nucleate Boiling ,[object Object],[object Object],[object Object]
SUBCOOLED Nucleate Boiling ,[object Object],T BulkFluid <T Saturation POP!
Nucleate Boiling ,[object Object],[object Object],NUCLEATE BOILING SUBCOOLED NUCLEATE  BOILING T SteamBubble  = T BulkFluid
Quality  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],X =
Steam Slugs ,[object Object],NUCLEATE BOILING SUBCOOLED  NUCLEATE BOILING STEAM SLUGS 5% QUALITY T SteamBubble  > T BulkFluid
Annulus ,[object Object],[object Object],[object Object],[object Object]
Annulus ,[object Object],[object Object],[object Object],NUCLEATE BOILING SUBCOOLED NUCLEATE BOILING  STM SLUGS  5%  QUALITY ANNULUS  STM COLUMN OF
Nucleate Boiling ,[object Object],[object Object],[object Object]
Moisture Separators ,[object Object],[object Object],[object Object]
Natural Circulation ,[object Object],[object Object],[object Object],[object Object],[object Object]
Thermal Driving Head ,[object Object],[object Object],[object Object]
Thermal Driving Head ,[object Object],[object Object]
Thermal Driving Head ,[object Object],[object Object]
Thermal Driving Head ,[object Object],[object Object],[object Object]
Head Loss ,[object Object],[object Object],[object Object]
Head Loss ,[object Object],[object Object]
Head Loss ,[object Object],[object Object],[object Object],[object Object]
TDH Vs. Hl ,[object Object],[object Object],[object Object]
Flow Rate Stops... ,[object Object]
End Point Of Circulation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Boiler End Points ,[object Object],[object Object],[object Object],[object Object]
Boiler End Points ,[object Object],[object Object],[object Object],[object Object]
End Point Of Combustion ,[object Object],[object Object],[object Object]
End Point Of Combustion ,[object Object]
Moisture Carryover ,[object Object],[object Object]
Film Boiling ,[object Object],[object Object]
Film Boiling ,[object Object],[object Object],[object Object],[object Object],[object Object]
Departure From Nucleate Boiling ,[object Object],[object Object],[object Object],[object Object]
Departure From Nucleate Boiling ,[object Object],[object Object],[object Object],[object Object]
Film Boiling & DNB A-B WATER HEATING B-S SUBCOOLED NUCLEATE BOILING S-C NUCLEATE BOILING C-D ONSET OF FILM BOILING D-E UNSTABLE FILM BOILING E-F STABLE FILM BOILING A B C D E D’ F DNB OR  CRITICAL HEAT FLUX S LOG ( TSURFACE - TWTR/STM) LOG (HEAT FLUX)
Shrink & Swell ,[object Object],[object Object]
Swell ,[object Object],[object Object],[object Object],[object Object],[object Object]
Swell ,[object Object],[object Object],[object Object]
Swell ,[object Object],[object Object],[object Object]
Shrink  ,[object Object],[object Object],[object Object],[object Object]
Shrink  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Can the Effects of Shrink and Swell Be Avoided? ,[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Any Questions...?
Basic Steam Engineering 62b-201 Nucleate Boiling

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Basic steam engineering nucleate boiling ppt

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  • 33. Film Boiling & DNB A-B WATER HEATING B-S SUBCOOLED NUCLEATE BOILING S-C NUCLEATE BOILING C-D ONSET OF FILM BOILING D-E UNSTABLE FILM BOILING E-F STABLE FILM BOILING A B C D E D’ F DNB OR CRITICAL HEAT FLUX S LOG ( TSURFACE - TWTR/STM) LOG (HEAT FLUX)
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