|Statement||by E.O. Moeck.|
|Series||AECL (Series) -- no. 3656|
|Contributions||Atomic Energy of Canada Limited.|
|The Physical Object|
|Pagination||1 v. (various pagings) :|
Over the past two decades, two-phase flow and heat transfer problems associated with two-phase phenomena have been a challenge to many investigators. Two-phase flow applications are found in a wide range of engineering systems, such as nuclear and conventional power plants, evaporators of. (). E. O. MOECK, Annular-dispersed two-phase flow and critical heat flux, Ph.D. Thesis, McGill University, Mechanical Engineering Department, Montreal (). Also AECL, Chalk River, Canada. G. F. HEWITT and B. NICHOLLS, Film thickness measure- ment in annular two-phase flow using a fluorescence spectrometer by: The development of a transient numerical model to predict the characteristics of annular two-phase flow with entrainment is presented and discussed. T Cited by: 8. Journals & Books; Help An experimental study on critical heat flux (CHF) and two-phase flow visualization has been performed for water flow in internally-heated, vertical, concentric annuli under near atmospheric pressure. Tests have been done under stable forced-circulation, upward and downward flow conditions with three test sections of.
Little is known about the two-phase pressure loss, the flow pattern, and the critical heat flux conditions for boiling sodium under forced convection. The specific thermohydraulic properties of sodium prohibit extrapolation to sodium of experimental data obtained for other liquids. Data on pressure drop in two‐phase, single‐component fluid flow, both with and without heat transfer, are presented in terms of the Lockhart and Martinelli correlation parameters. The fluids used were trichloromonofluoromethane and hydrogen. Critical heat flux (CHF) describes the thermal limit of a phenomenon where a phase change occurs during heating (such as bubbles forming on a metal surface used to heat water), which suddenly decreases the efficiency of heat transfer, thus causing localised overheating of the heating surface.. The critical heat flux for ignition is the lowest thermal load per unit area capable of initiating a. boiling heat transfer modern developments and advances Posted By Stan and Jan Berenstain Media TEXT ID d Online PDF Ebook Epub Library flow boiling heat transfer in microchannels a critical review satish g kandlikar satish g kandlikar asme fellow rochester institute of technology rochester ny e mail.
Encyclopedia of Two-Phase Heat Transfer and Flow II: Special Topics and Applications Volume 1: Special Topics in Boiling in Microchannels / Micro-Evaporator Cooling Systems Volume 2: Boiling Using Enhanced Surfaces, Plate Heat Exchangers and Two-Phase Devices. The characteristics of boiling two-phase flow and boiling crisis are analyzed. Abstract The effectiveness of in-vessel retention (IVR) by external reactor vessel cooling (ERVC) strongly depends on the critical heat flux . On the other hand the liquid phase is dispersed (annular dispersed, Figure 1c, and droplet flow, Figure 1d) when the liquid flow rate is small compared with gas flow. However, even in the gas-solid and liquid-solid flows, solid particles agglomerate when the solid flow rate increases as shown in Figure 2. A new set of correlations for the film flow analysis was developed to predict the critical heat flux in annular flow regime accurately. All the correlations adopted here were based on experimental data or considerations of the processes in annular flow; the resulting model required no parameters that should be adjusted from the measured data of critical heat flux.