Cross-duct electric field perturbation void fraction probe
Journal Article
·
· International Communications in Heat and Mass Transfer
- Lockheed Martin Corp., Schenectady, NY (United States)
An advanced probe has been developed for transient and time-averaged measurement of the void fraction under various thermal-hydraulic conditions. The Electric Field Perturbation (EFP) probe operates by measuring the electrical properties of a two-phase mixture which are related to the void fraction by a theoretical electromagnetic field model. Qualification tests were performed in both air-water and high pressure steam-water facilities. In the former set of experiments, the EFP measurements were compared to void fractions obtained with fast-acting valves and a hot-film anemometer. For high-pressure experiments in a pool boiling configuration, simultaneous void fraction time traces from the EFP probe and differential pressure cell indicated that the EFP probe responds well to overall void fraction fluctuations.
- OSTI ID:
- 471107
- Journal Information:
- International Communications in Heat and Mass Transfer, Journal Name: International Communications in Heat and Mass Transfer Journal Issue: 2 Vol. 24; ISSN 0735-1933; ISSN IHMTDL
- Country of Publication:
- United States
- Language:
- English
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