Transient heat transfer in a conducting particle with internal radiant absorption
- Univ. of California, Berkeley (United States)
The objective of the present work is to analyze rigorously the transient heat transfer of an irradiated particle by treating the radiant absorption on a local basis. A new conduction-to-radiation parameter is introduced to characterize the relative importance of heat transfer of an irradiated particle by treating the radiant absorption on a local basis. A new conduction-to-radiation parameter is introduced to characterize the relative importance of heat transfer by conduction as compared with that by radiation. The study on the transient temperature field as a function of conduction-to-radiation parameter establishes a criterion identifying the circumstances where heat transfer by radiation is so predominant that conduction is negligible. The current effort is also directed at developing a convenient method for predicting the transient local maximum temperature and explosion time delay of an intensely irradiated liquid droplet.
- OSTI ID:
- 7162782
- Journal Information:
- Journal of Heat Transfer (Transactions of the ASME (American Society of Mechanical Engineers), Series C); (United States), Vol. 114:2; ISSN 0022-1481
- Country of Publication:
- United States
- Language:
- English
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SPHERES
RADIANT HEAT TRANSFER
THERMAL CONDUCTION
CALCULATION METHODS
CARBON DIOXIDE LASERS
DROPLETS
ELECTROMAGNETIC RADIATION
INFRARED RADIATION
LASER-RADIATION HEATING
PARTICLES
TEMPERATURE DISTRIBUTION
WATER
ENERGY TRANSFER
GAS LASERS
HEAT TRANSFER
HEATING
HYDROGEN COMPOUNDS
LASERS
OXYGEN COMPOUNDS
PLASMA HEATING
RADIATIONS
420400* - Engineering- Heat Transfer & Fluid Flow