Mal-Distribution Phenomena Induced by Multiple Solutions in Parallel Channels Heat Exchangers
NURETH-14 - 2011 September 25-30


Presented at:
NURETH-14
2011 September 25-30
Location:
Toronto, Canada
Session Title:
A2-1 Multifield Two-Phase Flow and Flow Regimes Identification and

Authors:
Ezequiel Manavela Chiapero (Norwegian University of Science and Technology)
Maria Fernandino (Norwegian University of Science and Technology)
Carlos Alberto Dorao (Norwegian University of Science and Technology)
  

Abstract

In this work a parallel boiling channel arrangement with an upstream compressible volume is modeled and analyzed. First, flow excursions in a single boiling channel are presented in order to understand the flow excursions in the parallel channels system. Stable and unstable solutions are identified and discussed with the help of the plot of pressure drop versus mass flux, first for two parallel identical channels equally heated, and then extended to a more general case.

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