Corpus ID: 166223966

Heat Transfer Study Under Supercritical Pressure Conditions

  title={Heat Transfer Study Under Supercritical Pressure Conditions},
  author={Tohru Yamashita and Suguru Yoshida and Hideo Mori and Shinichi Morooka and Hideo Komita and Kouji Nishida},
Experiments were performed on heat transfer and pressure drop of a supercritical pressure fluid flowing upward in a uniformly heated vertical tube of a small diameter, using HCFC22 as a test fluid. Following results were obtained. (1) Characteristics of the heat transfer are similar to those for the tubes of large diameter. (2) The effect of tube diameter on the heat transfer was seen for a ‘normal heat transfer, but not for a ‘deteriorated’ heat transfer. (3) The limit heat flux for the… Expand

Figures and Tables from this paper

Heat transfer to a supercritical pressure fluid flowing in sub-bundle channels
Supercritical pressure water cooled reactor (SCWR) has been regarded as an innovative nuclear reactor. For the design and development of the SCWR, heat transfer performance under supercriticalExpand
An Experimental Study of Heat Transfer Deterioration at Supercritical Pressures
Convective heat transfer to CO2 flowing upward in electrically heated vertical tubes at supercritical pressures was studied for wall heat fluxes q within ranges that included values corresponding toExpand
Numerical analysis of diameter effects on convective supercritical water flow in a vertical round tube
Abstract Numerical investigation was performed to analyze the diameter effects on heat and mass transfer of supercritical water in a vertical round tube. The scaling of diameter ranges from theExpand
Diameter Effect on the Wall Temperature Behaviors During Supercritical Water Heat Transfer Deterioration in Circular Tubes and Annular Channels
Diameter effect on heat transfer deterioration (HTD) was numerically studied for supercritical water flowing upward in circular tubes and annular channels at high heat flux and low mass flux based onExpand
A Critical Review of the Physics and Modeling of Deteriorated Heat Transfer in Supercritical Fluids
Modeling of deterioration of heat transfer (DHT) observed in fluid flows at supercritical pressure remains a challenge due to incomplete understanding of the underlying physics. Given the challengesExpand
The general supercritical heat transfer correlation for vertical up-flow tubes: K number correlation
Abstract The objective of this paper is to present a general supercritical heat transfer (SHT) correlation for advanced power cycles. In textbooks, supercritical fluid is considered to haveExpand
A heat transfer - friction analogy for fluids at supercritical pressure
Abstract A new friction-heat transfer analogy for the prediction of heat transfer to turbulent fluids at supercritical pressure is presented. This analogy is based on the observation that theExpand
Review of the Wall Temperature Prediction Capability of Available Correlations for Heat Transfer at Supercritical Conditions of Water
The validity of the wall temperature predictions by 18 correlations available in the literature for supercritical heat-transfer regimes of water was verified for 12 experimental datasets consistingExpand
Subchannel Analysis to Investigate the Fuel Assembly for the Supercritical-water-cooled Power Reactor
The supercritical-water-cooled power reactor (SCPR) is expected to reduce power costs compared with those of current LWRs because of its high thermal efficiency and simple reactor system. The highExpand


Forced convective heat transfer to supercritical water flowing in tubes
Experimental investigations were made of heat transfer to supercritical water flowing in a horizontal tube and vertical tubes. A comprehensive set of data was obtained for pressures from 226 to 294Expand
Heat transfer and pressure drop in tubes under supercritical pressure of the coolant. Part 1: Specifics of the thermophysical properties, hydrodynamics, and heat transfer of the liquid. Regimes of normal heat transfer
The main regularities of turbulent heat transfer in tubes under a supercritical pressure are analyzed. The physics of the described processes are presented. Recommendations for engineeringExpand
Heat transfer to Freon at high pressures in evaporator-tubes,
  • Reports of Special Project Research on Energy, SPEY23,
  • 1987
Heat transfer to Freon in the critical region,
  • Reports of Special Project Research on Energy, SPEY14,
  • 1987
Criterion for the occurrence of deterioration in heat transfer at a supercritical pressure,
  • Prepr. of JSME,
  • 1985
Forced convective heat transfer and pressure drop for supercritical water flowing in tube (1st report, Experimental results of heat transfer),
  • Trans. JSME,
  • 1981
Forced convection heat transfer to fluids at supercritical pressure,” Turbulent Forced Convection in Channels and Bundles edited by Kakac S., and Spalding D.B
  • Hemisphere Pub.,
  • 1979
Shitsman, “Temperature conditions in tubes at supercritical pressures,
  • Thermal Engineering,
  • 1968