Cooling characteristics of hot rolled seamless steel tube by jet impingement

Zhang, Yansheng; Zhang, Fubo; Zhang, Rui; Yuan, Guo

doi:10.1016/j.icheatmasstransfer.2022.106466

Cited by 4 publications

(2 citation statements)

References 35 publications

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“…Piercing plug is a kind of key tool for producing hot-rolled seamless steel pipes that have been widely used in fields such as fluid transportation, petrochemicals, and military industry. [1][2][3][4] In recent years, demand for piercing plug increases with the increase of production of seamless steel pipes in the world. The performance and service life of piercing plug seriously affect the production efficiency as well as the quality of seamless steel pipes.…”

Section: Introductionmentioning

confidence: 99%

Influence of Furnace Pressure on the Growth Characteristic of Oxide Film on Piercing Plug Steel

Lu,

Tian

2024

steel research int.

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Different oxidation processes are carried out by using 20Cr2Ni4 piercing plug steel to study the influence of furnace pressure on the growth characteristic of oxide film in high‐temperature C2H5OH–H2O atmosphere. The results show that oxide film under different processes shows clearly two layers. The inner film is porous with the main constituents of FeO and Fe3O4 while the outer film is dense with large bubbles. The elemental Ni aggregates as a dot‐like substance in the inner oxide, where the enrichment of Cr lags behind the frontier boundary of Ni distribution. It is found that the thickness of the oxide film shows a parabolic relationship with product of the square root of oxidation time and furnace pressure. High furnace pressure can keep the pressure balance of the bubbles to swell to sufficient size, but may cause cracking during the relief process of pressure.

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Section: Introductionmentioning

confidence: 99%

Influence of Furnace Pressure on the Growth Characteristic of Oxide Film on Piercing Plug Steel

Lu,

Tian

2024

steel research int.

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“…However, it might be challenging to regulate the homogeneity of cooling. As a single jet [22] cooling capacity is limited, Multiple jets [23,24] are required to improve cooling intensity and control cooling uniformity. Numerous researchers have compared the heat transfer properties of jet impingement curved surfaces and planes based on their studies of different process factors.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Cooling Characteristics of Jet Impingement Hot‐Rolled Seamless Steel Tube in Motion

Li,

Zhang,

Zhang

et al. 2023

steel research int.

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This research uses numerical modeling to study the jet cooling properties of hot‐rolled seamless steel tubes under axial movement and circumferential rotation. The orthogonal test is used to examine the effects of axial velocity V, rotation speed R, jet distance S, and jet Reynolds number Re on the surface temperature distribution of steel tubes. The findings demonstrate that the temperature of the steel tube exhibits a “similar sinusoidal function” distribution along the circumference, with various angular frequencies and starting phases as a result of various cooling sites. It is determined that the axial velocity has the greatest influence on the temperature drop during the cooling process of steel tube, followed by the jet Reynolds number, the jet distance, and the rotation speed. When the axial velocity is 0.3–0.7 m s−1, the rotation speed is 30–45 rpm, the jet distance is 75–100 mm, and the jet Reynolds number is 38 000–51 000, the steel tube cooling efficiency is the best. The mathematical models of temperature drop ΔT and axial velocity V, rotation speed R, jet distance S, and Reynolds number Re are established. The maximum deviation of temperature drop between numerical simulation and mathematical model is only 1.02 °C with high prediction accuracy.

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Heat transfer uniformity of a flat plate impinged by movable double nozzles: An experimental implementation

Abo El –Wafa,

Maghrabie,

Attalla

et al. 2024

Applied Thermal Engineering

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Cooling characteristics of hot rolled seamless steel tube by jet impingement

Cited by 4 publications

References 35 publications

Influence of Furnace Pressure on the Growth Characteristic of Oxide Film on Piercing Plug Steel

Influence of Furnace Pressure on the Growth Characteristic of Oxide Film on Piercing Plug Steel

Analysis of Cooling Characteristics of Jet Impingement Hot‐Rolled Seamless Steel Tube in Motion

Heat transfer uniformity of a flat plate impinged by movable double nozzles: An experimental implementation

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