ORNL rod-bundle heat-transfer test data. Volume 7. Thermal-Hydraulic Test Facility experimental data report for test series 3. 07. 9 - steady-state film boiling in upflow

Abstract

THTF system with instrumented spool pieces labeled 3 2 Identification of THTF heater rods, subchannel location, and inactive rods in THTF heater bundle 4 3 Cross section of a typical fuel rod simulator 4 4 Axial location of spacer-grid and fuel rod simulator thermocouples ^ 5 Diagram of THTF 6 Positions of differential pressure and pressure instrumentation for THTF Test 3.07.9 7 THTF instrumentation diagram 8 D.l Amplifier D.2 Generalized form for a large system D.3 Error due to turbine linearity: characteristic curve .... D.4 Typical densitometer calibration D.5 Sensitivity calibration D.6 Zero offset calibration D.7 PDE-200 output from test 101 (after 28-Hz notch. original data) D.8 Rod power schematic 0.9 Instrument reading as a function of response time assuming first-order lag D.IO Instrument error as a function of DAS sampling assuming first-order lag E.l vii ACKNOWLEDGMENTS In the conduct of a large experimental and analytical program, there are always a great many individuals whose contributions should be recognized. The dedicated efforts of the entire Slowdown Heat Transfer Program staff are reflected in this report. The authors express sincere appreciation to the following personnel: