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Keywords: heat transfer
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Proceedings Papers

Proc. ASME. ICONE28, Volume 2: Nuclear Fuels, Research, and Fuel Cycle; Nuclear Codes and Standards; Thermal-Hydraulics, V002T07A023, August 4–6, 2021
Paper No: ICONE28-64720
... compares the strength of these two effects in the expansion of a single bubble, and theoretically explains the driving force of the pressure increase in the simulation experiment and the potential flow pattern. coolant-coolant interaction inner pressure bubble expansion velocity heat transfer...
Proceedings Papers

Proc. ASME. ICONE28, Volume 3: Computational Fluid Dynamics (CFD); Verification and Validation; Advanced Methods of Manufacturing (AMM) for Nuclear Reactors and Components; Decontamination, Decommissioning, and Radioactive Waste Management; Beyond Design Basis and Nuclear Safety; Risk Informed Management and Regulation, V003T08A010, August 4–6, 2021
Paper No: ICONE28-64713
...Abstract Abstract In the present paper, the capabilities of a similarity theory for heat transfer to supercritical pressure fluids are further investigated with respect to past work, widening the range of the addressed operating conditions. In particular, experimental data for water at 25 MPa...
Proceedings Papers

Proc. ASME. ICONE28, Volume 3: Computational Fluid Dynamics (CFD); Verification and Validation; Advanced Methods of Manufacturing (AMM) for Nuclear Reactors and Components; Decontamination, Decommissioning, and Radioactive Waste Management; Beyond Design Basis and Nuclear Safety; Risk Informed Management and Regulation, V003T08A014, August 4–6, 2021
Paper No: ICONE28-64822
... on Nuclear Engineering ICONE28 August 4-6, 2021, Virtual, Online ICONE28-64822 EXTENDING A FLUID-TO-FLUID SIMILARITY RATIONALE FOR HEAT TRANSFER AT SUPERCRITICAL PRESSURE TO R134a Sara Kassem 1, Andrea Puciarelli, Walter Ambrosini, Dipartimento di Ingegneria Civile e Industriale, Università di Pisa Pisa...
Proceedings Papers

Proc. ASME. ICONE28, Volume 4: Student Paper Competition, V004T14A005, August 4–6, 2021
Paper No: ICONE28-62115
... Proceedings of the 2021 28th International Conference on Nuclear Engineering ICONE28 August 4-6, 2021, Virtual, Online ICONE28-62115 EXPERIMENTAL STUDY ON HEAT TRANSFER CHARACTERISTICS OF WATER INJECTION ON MOLTEN POOL WITH LOW MASS FRACTION OF ZIRCONIUM Zongyang LI1, Huajian CHANG1,2, Fangfang...
Proceedings Papers

Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T12A030, August 4–5, 2020
Paper No: ICONE2020-16456
...Abstract Abstract Thermal efficiency and safety of Generation-IV nuclear-power-reactor concept - Supercritical Water-cooled Reactor (SCWR) depend on solid knowledge of specifics of SCW thermophysical properties and heat transfer within these conditions. As a preliminary, but conservative...
Proceedings Papers

Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T13A001, August 4–5, 2020
Paper No: ICONE2020-16004
... (prototypical) NC facility. Keywords: Natural circulation, Heated Channel, Temperature variation, Pressure Drops, Flow Rate, Heat Transfer, Thermocouples, Single Phase, Steady State INTRODUCTION Single-phase natural circulation is the mode of coolant circulation in the current pressurized water and heavy water...
Proceedings Papers

Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T13A032, August 4–5, 2020
Paper No: ICONE2020-16632
...Abstract Abstract Heat transfer between cladding and coolant during transient scenarios remains a critical area of uncertainty in understanding nuclear reactor safety. To advance the understanding of transient and accident scenarios involving critical heat flux (CHF), an in-pile experiment...
Proceedings Papers

Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T13A034, August 4–5, 2020
Paper No: ICONE2020-16648
... injected into the nuclear reactor for more than one week as an emergency measure. The studies about the characteristics of heat transfer with the seawater as the working fluid have received much more attentions after the Fukushima Daiichi accident. The differences of thermophysical properties...
Proceedings Papers

Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T03A017, August 4–5, 2020
Paper No: ICONE2020-16732
..., Japan ABSTRACT We performed large-eddy simulations by using an open source CFD code, OpenFOAM to examine the performance of large-eddy simulations for examining turbulence heat-transfer processes of forced-convection in a pipe with non-homogeneous thermal boundary conditions; an accurate description...
Proceedings Papers

Proc. ASME. ICONE21, Volume 6: Beyond Design Basis Events; Student Paper Competition, V006T16A042, July 29–August 2, 2013
Paper No: ICONE21-16446
... to predict the effects of the heat transfer phenomena within the pseudocritical region are based on empirical one-directional correlations which do not capture the multi-dimensional effects and do not provide accurate results in regions such as the deteriorated heat transfer regime. Computational Fluid...
Proceedings Papers

Proc. ASME. ICONE21, Volume 2: Plant Systems, Construction, Structures and Components; Next Generation Reactors and Advanced Reactors, V002T03A024, July 29–August 2, 2013
Paper No: ICONE21-15510
... 1 Copyright © 2013 by ASME A NUMERICAL STUDY OF ECCENTRICITY EFFECT TO HEAT TRANSFER UNDER SINGLE PHASE FORCE CONVECTION INSIDE A VERTICAL ANNULUS Liu Yang1,2 Liu_yang@tsinghua.edu.cn Jia Qianqian1,2 Jqq@tsinghua.edu.cn Jia Haijun1,2 Jiaha@tsinghua.edu.cn 1 Institute of Nuclear and New Energy...
Proceedings Papers

Proc. ASME. ICONE21, Volume 3: Nuclear Safety and Security; Codes, Standards, Licensing and Regulatory Issues; Computational Fluid Dynamics and Coupled Codes, V003T06A013, July 29–August 2, 2013
Paper No: ICONE21-15314
... takes the form of directly safety injection, which has great effects on the flow and heat transfer of the reactor pressure vessel and it has influence on the process of the SBLOCA finally. In present work, an SBLOCA analytical model has been developed with RELAP5 code to analyze special design features...
Proceedings Papers

Proc. ASME. ICONE21, Volume 3: Nuclear Safety and Security; Codes, Standards, Licensing and Regulatory Issues; Computational Fluid Dynamics and Coupled Codes, V003T10A030, July 29–August 2, 2013
Paper No: ICONE21-15903
...Two-way Coupling Simulation of Heat Transfer in ADS Windowless Spallation Target Jie Liu*, Lei Gao, Huan Chen, Zeng-hui Wang, Wen-qiang Lu (University of Chinese Academy of Sciences, Beijing, 100049) *Tel: 010-88256277 Email: nauty@ucas.ac.cn Abstract The steady-state phase distribution...
Proceedings Papers

Proc. ASME. ICONE20-POWER2012, Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries, 71-78, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54125
... and possible thermal fatigue at tube to tube-sheet welding of the tube outlet end. Construction of its heat transfer is that heating main steam supplied by NSSS inside the tubes transfers its latent heat by condensing to the colder high pressure turbine exhaust steam cooling outside of the tubes. The condensed...
Proceedings Papers

Proc. ASME. ICONE20-POWER2012, Volume 4: Codes, Standards, Licensing, and Regulatory Issues; Fuel Cycle, Radioactive Waste Management and Decommissioning; Computational Fluid Dynamics (CFD) and Coupled Codes; Instrumentation and Controls; Fuels and Combustion, Materials Handling, Emissions; Advanced Energy Systems and Renewables (Wind, Solar, Geothermal); Performance Testing and Performance Test Codes, 599-606, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54981
..., Abu Dhabi, United Arab Emirates & Korea Advanced Institute of Science and Technology, Daejeon, S. Korea Phone : +82 42 350 3829 Email: jeongiklee@kaist.ac.kr Keywords: Heat transfer, LES, Thermal Striping, T-Junction, URANS. ABSTRACT The present numerical study focuses on the predictions of thermal...
Proceedings Papers

Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 425-433, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54782
... SENSITIVITY ANALYSIS OF CFD CODE FLUENT-12 FOR SUPERCRITICAL WATER HEAT TRANSFER IN VERTICAL BARE TUBES Amjad Farah, Patrick Haines, Glenn Harvel and Igor Pioro Faculty of Energy Systems and Nuclear Science University of Ontario Institute of Technology 2000 Simcoe Str. N., Oshawa ON L1H 7K4 Canada...
Proceedings Papers

Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 151-155, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54397
... A safety assessment on Sodium-Water reaction in a steam generator (SG) of the SFBR is also one of significant issue. If a heat transfer tube is damaged by some reasons, the high pressure water or steam would leak into the sodium side as a high-temperature and high-corrosive sound-speed jet...
Proceedings Papers

Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 6, 651-657, May 17–21, 2010
Paper No: ICONE18-30174
... 08 04 2011 Mini-TBM will be tested in chinese LiPb experimenttal loop Dragon-IV to validate the thermal-hydraulic effect of DFLL-TBM, such as dual-flow fields heat transfer, temperature fields, velocity fields, flux distribution of liquid lithium lead and helium gas. It is difficult...
Proceedings Papers

Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 561-567, May 17–21, 2010
Paper No: ICONE18-29541
... 08 04 2011 Fluctuating flow is widely presented in nuclear power plant operating procedure. When the fluctuating flow occurs in the loop, the fluid flow and heat transfer in the core will be affected, which makes the study of flow fluctuation have more practical significance...
Proceedings Papers

Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 355-368, May 17–21, 2010
Paper No: ICONE18-29335
... 08 04 2011 The subcooled boiling heat transfer (HT) and the steady-state critical heat fluxes (CHFs) in a short SUS304-tube with twisted-tape insert are systematically measured for mass velocities ( G = 4016 to 13850 kg/m 2 s), inlet liquid temperatures ( T in = 285.82 to 363.96 K...