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Modeling Film Boiling and Quenching

Modeling Film Boiling and Quenching

 

Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description
 

In a postulated critical break LOCA in a CANDU reactor it is possible that heatup of a pressure tube (PT) causes ballooning contact with the calandria tube (CT). Stored heat can cause dryout of the CT and establishment of pool film boiling on the outer surface. The safety concern is that if the temperature of CT experiencing film boiling gets sufficiently high then failure of the fuel channel may occur. However, quench can limit the extent and duration of film boiling as has been experimentally observed. Current estimates of quench temperatures during pool film boiling are based primarily on experimental correlations. In this dissertation a novel mechanistic model of pool film boiling on the outside of CT has been developed. The model is based in part upon characterizing the vapor film thickness under buoyancy driven natural convection flows around a tube located horizontally in a large liquid pool. A transient equation is developed which quantifies the vapor film thickness and other governing parameters. This mechanistic model can be employed in safety analysis to demarcate the conditions under which fuel channel failure will not occur in a postulated critical break LOCA.

Product Specifications
SKU :COC100899
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-08-18
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