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A THEORETICAL INVESTIGATION INTO THERMALLY GOVERNED TRANSIENT FLOW SURGES IN TWO-PHASE CONDENSING FLOW


CĂLIMAN RADU, OLARU IONEL
UNIVERSITY OF BACĂU

Issue:

MOCM, Number 10, Volume I

Section:

Issue No. 10 - Volume I (2004)

Abstract:

The specific transient phenomenon under consideration is the outlet flowrate of subcooled liquid from a tube-type condenser where complete condensation takes place. Experimental data are presented which indicates that a small change in the inlet vapor flowrate will momentarily cause a very large transient surge in the outlet flowrate of subcooled liquid. These experimentally measured flow transients are predicted quite accurately using a system mean void fraction model. Also, some preliminary results are presented which indicate the influence of throttling at the condenser outlet as a means of attenuating the transient overshoot characteristics.

Keywords:

heat transfer, fluid mechanics.

Code [ID]:

MOCM200410V01S01A0038 [0000658]


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