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Publicado: 29 de octubre de 2012
BUBBLE PUMP DESIGN AND PERFORMANCE
A Thesis
Presented to
The Academic Faculty
By
Susan Jennifer White
In Partial Fulfillment
of the Requirements for the Degree
Master of Science in Mechanical Engineering
Georgia Institute of Technology
August 2001
BUBBLE PUMP DESIGN AND PERFORMANCE
Approved:
____________________________________
S. V. Shelton, Chairman____________________________________
S. M. Ghiaasiaan
____________________________________
S. M. Jeter
Date Approved_______________________
ii
TABLE OF CONTENTS
LIST OF TABLES .............................................................................................................. v
LIST OFFIGURES............................................................................................................ vi
NOMENCLATURE.........................................................................................................viii
SUMMARY ....................................................................................................................... xi
CHAPTER I: INTRODUCTION........................................................................................ 1Dual Pressure Absorption Cycles ................................................................................ 2
Single Pressure Absorption Refrigeration .................................................................. 3
The Platen-Munters Cycle........................................................................................... 4
The Einstein Cycle...................................................................................................... 6
CHAPTER II: LITERATURE REVIEW............................................................................ 8
Introduction ................................................................................................................... 8
Einstein Cycle BubblePump........................................................................................ 9
Platen-Munters Cycle Bubble Pump........................................................................... 9
Air-Lift Pumps ............................................................................................................ 10
Two-Phase Flow........................................................................................................... 13CHAPTER III: EXPERIMENTAL SETUP...................................................................... 16
Experimental Results .................................................................................................. 19
CHAPTER IV: MODEL ................................................................................................... 20
Governing Equations.................................................................................................. 20
Two-Phase Properties ................................................................................................. 25
The Drift Flux Model .................................................................................................. 27
Comparison of Models................................................................................................ 34
CHAPTER V: RESULTS AND DISCUSSION ............................................................... 42
Air-Lift Pump Experiments ....................................................................................... 42
Parametric Studies..................................................................................................... 42Optimum Operating Conditions ................................................................................ 48
Slug - Churn Transition............................................................................................. 51
Ammonia-Water Model.............................................................................................. 53
iii
CHAPTER VI: CONCLUSIONS AND...
A Thesis
Presented to
The Academic Faculty
By
Susan Jennifer White
In Partial Fulfillment
of the Requirements for the Degree
Master of Science in Mechanical Engineering
Georgia Institute of Technology
August 2001
BUBBLE PUMP DESIGN AND PERFORMANCE
Approved:
____________________________________
S. V. Shelton, Chairman____________________________________
S. M. Ghiaasiaan
____________________________________
S. M. Jeter
Date Approved_______________________
ii
TABLE OF CONTENTS
LIST OF TABLES .............................................................................................................. v
LIST OFFIGURES............................................................................................................ vi
NOMENCLATURE.........................................................................................................viii
SUMMARY ....................................................................................................................... xi
CHAPTER I: INTRODUCTION........................................................................................ 1Dual Pressure Absorption Cycles ................................................................................ 2
Single Pressure Absorption Refrigeration .................................................................. 3
The Platen-Munters Cycle........................................................................................... 4
The Einstein Cycle...................................................................................................... 6
CHAPTER II: LITERATURE REVIEW............................................................................ 8
Introduction ................................................................................................................... 8
Einstein Cycle BubblePump........................................................................................ 9
Platen-Munters Cycle Bubble Pump........................................................................... 9
Air-Lift Pumps ............................................................................................................ 10
Two-Phase Flow........................................................................................................... 13CHAPTER III: EXPERIMENTAL SETUP...................................................................... 16
Experimental Results .................................................................................................. 19
CHAPTER IV: MODEL ................................................................................................... 20
Governing Equations.................................................................................................. 20
Two-Phase Properties ................................................................................................. 25
The Drift Flux Model .................................................................................................. 27
Comparison of Models................................................................................................ 34
CHAPTER V: RESULTS AND DISCUSSION ............................................................... 42
Air-Lift Pump Experiments ....................................................................................... 42
Parametric Studies..................................................................................................... 42Optimum Operating Conditions ................................................................................ 48
Slug - Churn Transition............................................................................................. 51
Ammonia-Water Model.............................................................................................. 53
iii
CHAPTER VI: CONCLUSIONS AND...
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