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Deqi Chen

Chongqing University

Shazheng Str 174, Shapingba District

Shazheng street, Shapingba district

Chongqing 400044, 400030

China

SCHOLARLY PAPERS

29

DOWNLOADS

1,131

TOTAL CITATIONS

17

Scholarly Papers (29)

Experimental Study on Flow-Induced Vibration of Single Rod in Axial Flow

Number of pages: 43 Posted: 12 Mar 2023
Chongqing University, Nuclear Power Institute of China (NPIC), Chongqing University, Chongqing University, Chongqing University and Chongqing University
Downloads 45 (1,144,483)

Abstract:

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Keywords: Nuclear reactor, wire-wrapped fuel rod, Experimental study, Flow-induced Vibration

Experimental Study on Flow-Induced Vibration of Single Rod in Axial Flow

Number of pages: 37 Posted: 06 Sep 2023
Chongqing University, Chongqing University, Nuclear Power Institute of China (NPIC), Chongqing University, Chongqing University and Chongqing University
Downloads 33 (1,311,254)

Abstract:

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Nuclear reactor, wire-wrapped fuel rod, Experimental study, Flow-induced Vibration

2.

Numerical Study on Subcooled Flow Boiling in Narrow Rectangular Channel Based on OpenFOAM

Number of pages: 46 Posted: 15 Apr 2022
Chongqing University, affiliation not provided to SSRN, Chongqing University, Chongqing University, affiliation not provided to SSRN and Chongqing Normal University
Downloads 71 (891,180)

Abstract:

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narrow rectangular channel, subcooled flow boiling, two-fluid model, wall nucleation model, numerical simulation

3.

Experimental Study on Flow-Induced Vibration Under Laminar Flow and Turbulent Flow Transition State in Helical Coiled Tube

Number of pages: 35 Posted: 29 Dec 2023
Chongqing University, Chongqing University, Chongqing University and Chongqing University
Downloads 65 (916,100)

Abstract:

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Helical coiled tube, Once-through steam generator, Flow-induced vibration, Secondary flow, Friction coupling

4.

A Modified Lumped Parameter Droplet Flash Evaporation Model Based on One-Dimensional Flash Evaporation Model

Number of pages: 27 Posted: 30 Oct 2024
Chongqing University, Chongqing University, Chongqing University, Chongqing University and Chongqing University
Downloads 60 (961,006)

Abstract:

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Spray flash evaporation, Modified flash evaporation Model, Numerical simulation, Model validation

Experimental Study on the Characteristics of Annular Fluid Film in a Locally Deformed Narrow Rectangular Channel

Number of pages: 22 Posted: 24 Jul 2024
Chongqing University, Nuclear Power Institute of China (NPIC), affiliation not provided to SSRN, affiliation not provided to SSRN and Chongqing University
Downloads 38 (1,238,337)

Abstract:

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Narrow rectangular channel, Localized deformation, Annular flow, Liquid film, Disturbance wave

Experimental Study on the Characteristics of Annular Fluid Film in a Locally Deformed Narrow Rectangular Channel

Number of pages: 23 Posted: 13 Nov 2024
Chongqing University, Nuclear Power Institute of China (NPIC), affiliation not provided to SSRN, affiliation not provided to SSRN and Chongqing University
Downloads 21 (1,486,852)

Abstract:

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Narrow rectangular channel, Localized deformation, Annular flow, Liquid film, Disturbance wave

6.

The Study on Flow Distribution of Supercritical Co2 in Multiple Channels of Printed Circuit Heat Exchanger

Number of pages: 34 Posted: 20 Mar 2023
Chongqing University, Chongqing University, Chongqing University of Science and Technology, affiliation not provided to SSRN and Chongqing University
Downloads 48 (1,109,210)

Abstract:

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Printed circuit heat exchanger, Supercritical carbon dioxide, heat transfer, Brayton cycle, Header optimization.

7.

Experimental Investigation on Condensation Regimes and Transition Boundary During Bubble Condensation in Narrow Rectangular Channel

Number of pages: 46 Posted: 23 Aug 2022
Chongqing University, Chongqing University, Chongqing University, Chongqing University, affiliation not provided to SSRN and Chongqing University
Downloads 45 (1,133,231)

Abstract:

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Direct contact condensation, Condensation regime map, Transition criterion, Narrow channel

8.

Analysis of Steam Generator Blowdown System Flash Tank Liquid Level Instability and Study on Blowdown System Modification

Number of pages: 25 Posted: 02 Sep 2024
affiliation not provided to SSRN, affiliation not provided to SSRN, Chongqing University, Chongqing University, affiliation not provided to SSRN and Chongqing University
Downloads 43 (1,145,425)

Abstract:

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Steam generator blowdown system, thermal hydraulic characteristics, liquid level instability, blowdown flash tank, RELAP5

9.

Experimental Investigation of Droplet Transient Behavior During Reflood Cooling Process of Single-Rod Channel

Number of pages: 36 Posted: 25 Apr 2023
Chongqing University, Chongqing University, Chongqing University, Chongqing University, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 42 (1,183,237)

Abstract:

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experiment, Droplet behavior, reflood, Predicted model

10.

Experimental Investigation on Precursory Cooling with High Wall Temperature During Reflooding in Nuclear Reactor Core after Accident

Number of pages: 36 Posted: 27 Apr 2022
Chongqing University, Chongqing University, affiliation not provided to SSRN, Chongqing University, affiliation not provided to SSRN, affiliation not provided to SSRN, Chongqing University and Chongqing University
Downloads 41 (1,170,409)

Abstract:

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Reflooding experiment, droplet behavior, Narrow rectangular channel, precursory cooling

11.

Experimental Investigation on Interface Characteristics and Heat Transfer During Bubble Condensation in Narrow Rectangular Channel

Number of pages: 28 Posted: 11 Apr 2022
Chongqing University, Chongqing University, Chongqing University, Chongqing University, affiliation not provided to SSRN and Chongqing University
Downloads 41 (1,183,237)

Abstract:

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Bubble, condensation, Narrow channel, Heat and mass transfer

Analysis of Transient Characteristics of Droplets in the Dffb Regime During Single-Rod Channel Reflood Experiment

Number of pages: 38 Posted: 30 May 2023
Chongqing University, Chongqing University, Chongqing University, Chongqing University, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 24 (1,445,011)
Citation 4

Abstract:

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Transient Droplet characteristics, DFFB, Reflood, Single-rod channel

Analysis of Transient Characteristics of Droplets in the Dffb Regime During Single-Rod Channel Reflood Experiment

Number of pages: 35 Posted: 05 Apr 2023
Chongqing University, Chongqing University, Chongqing University, Chongqing University, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 15 (1,570,077)

Abstract:

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Transient Droplet characteristics, DFFB, Reflood, Single-rod channel.

13.

Experimental research on two-phase transient dynamics in reflooding combining intelligent image analysis method

Number of pages: 34 Posted: 11 Oct 2025
Chongqing University, Chongqing University, Chongqing University and Chongqing University
Downloads 38 (1,209,354)

Abstract:

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Reflooding, Two-phase evolution behavior, Liquid fraction, Time domain relationship, Statistical analysis

14.

Experimental study on two-phase heat transfer enhancement in narrow rectangular channels during reflooding process

Number of pages: 20 Posted: 26 Sep 2025
Guizhou University, Chongqing University, Chongqing University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Chongqing University
Downloads 38 (1,209,354)

Abstract:

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Narrow rectangular channel, Reflooding, Minimum film boiling temperature, Surface modification, Heat transfer

15.

Experimental Study on Cooling Heat Transfer Performance of Supercritical Co2 in Zigzag Printed Circuit Heat Exchanger

Number of pages: 29 Posted: 25 May 2023
Chongqing University, affiliation not provided to SSRN, Chongqing University, Chongqing University of Science and Technology, affiliation not provided to SSRN and Chongqing University
Downloads 38 (1,209,354)
Citation 6

Abstract:

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printed circuit heat exchanger, Supercritical CO2, Heat transfer correlation, Brayton cycle, Pseudo-critical region

16.

Experimental Study on Droplet Behavior and Mechanisms During Reflooding in a Single-Rod Channel

Number of pages: 32 Posted: 28 May 2022
Chongqing University, Chongqing University, Chongqing University, affiliation not provided to SSRN, Chongqing University, affiliation not provided to SSRN, Chongqing University and Chongqing University
Downloads 38 (1,209,354)
Citation 4

Abstract:

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Reflooding process, Droplet behavior, DFFB, Mechanism

17.

A Phenomenological Investigation on Near-Wall Bubble Behavior Close to Chf in Flow Boiling

Number of pages: 35 Posted: 16 Feb 2022
Chongqing University, Chongqing University, Harbin Institute of Technology, affiliation not provided to SSRN, Harbin Institute of Technology, affiliation not provided to SSRN and Chongqing University
Downloads 36 (1,236,159)
Citation 2

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Visual experiment, Subcooled flow boiling, Critical Heat Flux, Tow-phase flow, Bubble behavior

18.

Experimental Study on Surface Characteristics and Thermal Conductivity of New Zirconium Alloy with Oxide Layer

Number of pages: 28 Posted: 21 Mar 2022
affiliation not provided to SSRN, Chongqing University, affiliation not provided to SSRN, Chongqing University, Chongqing University, Chongqing University, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 35 (1,249,711)

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Oxide layer, Zirconium alloy, Surface wettability, Thermal conductivity

19.

Experimental Study on Particle Crushing and Pressure Drop Characteristics of Li4SiO4 Breeder Pebble Beds

Number of pages: 24 Posted: 18 Sep 2025
affiliation not provided to SSRN, Southwestern Institute of Physics, Southwestern Institute of Physics, Southwestern Institute of Physics, Chongqing University, Chongqing University, Chongqing University and Chongqing University
Downloads 32 (1,290,922)

Abstract:

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Tritium breeder blanket, Particle crushing, Pressure drop, Experimental research

20.

A Phenomenological Model for the Minimum Film Boiling Temperature During Reflooding Process in the Narrow Channel

Number of pages: 30 Posted: 09 Jul 2024
Chongqing University, affiliation not provided to SSRN, Chongqing University, affiliation not provided to SSRN, Chongqing University, Chongqing University and Chongqing University
Downloads 32 (1,290,922)

Abstract:

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Reflooding, Narrow rectangular channel, Vapor film thickness, Liquid film crest, Phenomenological model

21.

Study On  Thermal-Hydraulic Characteristics of Co2-Water Printed Circuit Heat Exchanger with Different Structural Parameters

Number of pages: 35 Posted: 04 Apr 2022
Chongqing University, Chongqing University, Chongqing University of Science and Technology, affiliation not provided to SSRN and Chongqing University
Downloads 32 (1,290,922)
Citation 1

Abstract:

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Printed circuit heat exchanger, Supercritical Carbon Dioxide, heat transfer, Brayton cycle, numerical simulation

22.

Experimental Study on the Modulation Effect of Dissipation Scale Particles on Isotropic Turbulence Generated by Horizontal Oscillating Grids

Number of pages: 36 Posted: 21 Oct 2024
Chongqing University, Chongqing University, affiliation not provided to SSRN, Chongqing University, Chongqing University - MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University and Chongqing University
Downloads 30 (1,318,317)

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dissipation scale particle, homogeneous isotropic turbulence, turbulence modulation, PIV measurement, experimental study

Numerical Study on the Effect of Size Distribution of Radiolytic Bubbles on the Two-Phase Flow and Heat Transfer Characteristics in a Solution Reactor

Number of pages: 31 Posted: 25 Mar 2025
Chongqing University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Chongqing University, Chongqing University, affiliation not provided to SSRN, Chongqing University and Chongqing University
Downloads 16 (1,548,841)

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Solution reactor, Size distribution of radiolytic bubbles, Population balance model, Heat transfer in gas-liquid flow, numerical simulation

Numerical Study on the Effect of Size Distribution of Radiolytic Bubbles on the Two-Phase Flow and Heat Transfer Characteristics in a Solution Reactor

Number of pages: 31 Posted: 02 Jul 2025
Chongqing University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Chongqing University, Chongqing University, affiliation not provided to SSRN, Chongqing University and Chongqing University
Downloads 11 (1,598,105)

Abstract:

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Solution reactor, Size distribution of radiolytic bubbles, Population balance model, Heat transfer in gas-liquid flow, Numerical simulation

Experimental study on Fretting Wear Characteristics of Zr-4 alloy cladding

Number of pages: 25 Posted: 18 Jan 2026
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Nuclear Power Institute of China (NPIC), affiliation not provided to SSRN and Chongqing University
Downloads 13 (1,579,999)

Abstract:

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Experimental study, Zr-4 alloy cladding, Fretting wear, Wear mechanism

Experimental study on Fretting Wear Characteristics of Zr-4 alloy cladding

Number of pages: 26 Posted: 04 Feb 2026
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Nuclear Power Institute of China (NPIC), affiliation not provided to SSRN and Chongqing University
Downloads 11 (1,598,105)

Abstract:

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Experimental study, Zr-4 alloy cladding, Fretting wear, Wear mechanism

25.

A Phenomenological Model for the Minimum Film Boiling Temperature During Reflooding Process in the Narrow Channel

Number of pages: 30 Posted: 07 Oct 2024
Chongqing University, affiliation not provided to SSRN, Chongqing University, affiliation not provided to SSRN, Chongqing University, Chongqing University and Chongqing University
Downloads 23 (1,411,822)

Abstract:

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Reflooding, Narrow rectangular channel, Vapor film thickness, Liquid film crest, Phenomenological model

26.

Experimental Study on Surface Properties of the Oxide Layer and Steam Oxidation Model of the Zirconium Alloy

Number of pages: 24 Posted: 27 Jan 2025
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Chongqing University, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 22 (1,436,435)

Abstract:

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Zirconium alloy, Air oxidation, Steam oxidation, Surface properties, Scanning electron microscope

27.

Experimental Investigation on Transition Boiling During Reflooding in a Narrow Rectangular Channel

Number of pages: 29 Posted: 01 Dec 2023
Chongqing University, Chongqing University, affiliation not provided to SSRN, Chongqing University, Chongqing University, affiliation not provided to SSRN, affiliation not provided to SSRN and Chongqing University
Downloads 22 (1,424,331)

Abstract:

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Narrow rectangular channel, Reflooding, Transition boiling, Experiment

28.

Study on the Heat Transfer Behavior of Precursory Cooling Under Partially Exposed Condition During Reflooding

Number of pages: 38 Posted: 16 Jul 2025
Chongqing University, affiliation not provided to SSRN, Chongqing University, Chongqing University, Chongqing University and Chongqing University
Downloads 18 (1,470,786)

Abstract:

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Reflooding, Precursory cooling, Partially exposed, Narrow rectangular channel, Prediction model

29.

Experimental study on two-phase transient dynamics during reflooding based on image processing method

Number of pages: 40 Posted: 26 Feb 2026
Chongqing University, Chongqing University, affiliation not provided to SSRN, Chongqing University and Chongqing University
Downloads 14 (1,509,872)

Abstract:

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Reflooding, Two-phase evolution behavior, Liquid fraction, Time domain relationship, Statistical analysis