Experimental investigation of pool boiling of lithium bromide solution on a vertical tube under subatmospheric pressures
Journal Article
·
· International Communications in Heat and Mass Transfer; (United States)
- Energy and Resources Lab., Industrial Technology Research Inst., Chutung (TW)
- Dept. of Mechanical Engineering of the National Chiao Tung Univ., Hsinchu (TW)
This paper investigates the saturation pool boiling of 55%w lithium bromide solution on an electrically heated vertical tube under subatmospheric pressure. Boiling curves for pressures of 30, 70, 150 and 300 torr, are presented. A delayed transition from natural convection to nucleate boiling is observed due to too few active nucleation sites. Observations show that the size range of bubble departure diameter is wider at lower pressure. Boiling curves shift leftwards when the pressure increases. Comparison of boiling curves with those on a horizontal tube shows that the case of vertical tube has better heat transfer performance.
- OSTI ID:
- 5628925
- Journal Information:
- International Communications in Heat and Mass Transfer; (United States), Journal Name: International Communications in Heat and Mass Transfer; (United States) Vol. 18:3; ISSN IHMTD; ISSN 0735-1933
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220200 -- Nuclear Reactor Technology-- Components & Accessories
42 ENGINEERING
420400* -- Engineering-- Heat Transfer & Fluid Flow
ALKALI METAL COMPOUNDS
BOILING
BOILING DETECTION
BROMIDES
BROMINE COMPOUNDS
BUBBLES
CONVECTION
COOLING SYSTEMS
DETECTION
ENERGY TRANSFER
HALIDES
HALOGEN COMPOUNDS
HEAT TRANSFER
LITHIUM BROMIDES
LITHIUM COMPOUNDS
LITHIUM HALIDES
MASS TRANSFER
NATURAL CONVECTION
NUCLEATE BOILING
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
POOL BOILING
PRESSURE GRADIENTS
PRESSURE TUBES
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
SIZE
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
TUBES
220200 -- Nuclear Reactor Technology-- Components & Accessories
42 ENGINEERING
420400* -- Engineering-- Heat Transfer & Fluid Flow
ALKALI METAL COMPOUNDS
BOILING
BOILING DETECTION
BROMIDES
BROMINE COMPOUNDS
BUBBLES
CONVECTION
COOLING SYSTEMS
DETECTION
ENERGY TRANSFER
HALIDES
HALOGEN COMPOUNDS
HEAT TRANSFER
LITHIUM BROMIDES
LITHIUM COMPOUNDS
LITHIUM HALIDES
MASS TRANSFER
NATURAL CONVECTION
NUCLEATE BOILING
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
POOL BOILING
PRESSURE GRADIENTS
PRESSURE TUBES
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
SIZE
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
TUBES