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学者姓名：黄齐飞
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Abstract ：
Several methods have been developed to determine the axial creep properties of nuclear fuel cladding tubes. However, the anisotropic creep properties of nuclear fuel cladding tubes requires that their circumferential creep behaviour be evaluated as well. Nonetheless, this task remains extremely challenging owing to need to employ unaltered cylindrical cladding tube specimens directly and the general low accuracy of the methods developed for this purpose. The present work addresses these issues by developing a modified small punch creep test (SPCT). Equations are proposed to calculate the creep stress and strain of the modified SPCT. The accuracy of the equations is analysed using the finite element method. Finally, the methodology is applied to investigate the circumferential creep behaviour of an FeCrAl nuclear fuel cladding tube experimentally. These results clearly demonstrate that the modified SPCT is suitable for investigating the creep behaviour of irregularly shaped material specimens with anisotropic creep properties. Moreover, the semi -cylindrical specimens employed in the modified SPCT also enable the effective fracture strain of the specimen to be easily determined.
Keyword ：
Anisotropic creep Anisotropic creep Nuclear fuel cladding tube Nuclear fuel cladding tube Small punch test Small punch test
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| GB/T 7714 | Zhong, Yuntao , Lai, Huan Sheng , Guo, Jinquan et al. Small punch test for investigating circumferential creep in cladding tubes [J]. | INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES , 2024 , 267 . |
| MLA | Zhong, Yuntao et al. "Small punch test for investigating circumferential creep in cladding tubes" . | INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES 267 (2024) . |
| APA | Zhong, Yuntao , Lai, Huan Sheng , Guo, Jinquan , Du, Peinan , Huang, Qifei . Small punch test for investigating circumferential creep in cladding tubes . | INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES , 2024 , 267 . |
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本实用新型提供了一种微通道换热器清洗设备，包括箱体(1)、放置台(3)、换热器本体(4)，箱体(1)上部开有凹槽(2)，且放置台(3)设置于凹槽(2)底部，换热器本体(4)放置于放置台(3)上；换热器本体(4)沿其一圈外壁分别设有冷进口(31)、冷出口(32)、热进口(34)及热出口(35)，连接管(18)靠近换热器本体(4)一端均连接有套筒(5)，且套筒(5)内壁均设有环形密封垫，套筒(5)与冷进口(31)、冷出口(32)、热进口(34)及热出口(35)均相适配；应用本技术方案可解决微通道换热器长期使用后微通道内结垢导致换热效率降低甚至堵塞的问题。设备结构简单，清洁彻底，循环清洗节约水资源。
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| GB/T 7714 | 张经伟 , 陈雄 , 刘康林 et al. 一种微通道换热器清洗设备 : CN202223394008.X[P]. | 2022-12-17 00:00:00 . |
| MLA | 张经伟 et al. "一种微通道换热器清洗设备" : CN202223394008.X. | 2022-12-17 00:00:00 . |
| APA | 张经伟 , 陈雄 , 刘康林 , 黄晏明 , 黄齐飞 , 苏昆焕 . 一种微通道换热器清洗设备 : CN202223394008.X. | 2022-12-17 00:00:00 . |
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Abstract ：
Fuel cladding tubes of nuclear power plants are operated at high temperatures. Creep behavior is therefore a crucial factor during the design and safety assessment of fuel cladding tubes. In this study, small punch creep tests (SPCTs) were conducted for tube specimens to examine the creep behavior of FeCrAl fuel cladding tubes. According to Chakrabarty's membrane stretching theory and finite element simulation results, specimen shape had a negligible influence on the equivalent uniaxial creep stress and minimum creep strain rate. Therefore, the calculation equations of equivalent uniaxial creep stress and creep strain of plate specimens were directly used for tube specimens. When the lower die round radius was 0.2 mm, its effect on the calculated creep stress was within 5%, and it was negligible for the calculated minimum creep strain rate. The power law creep model of the FeCrAl fuel cladding tube was obtained based on the test results of SPCT using tube specimens.
Keyword ：
FeCrAl FeCrAl Fuel cladding tube Fuel cladding tube Small punch creep test Small punch creep test Tube specimen Tube specimen
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| GB/T 7714 | Lai, Huan Sheng , Jiang, Xiaowei , Zhong, Yuntao et al. Using tube specimen to investigate the creep behavior of FeCrAl fuel cladding tubes [J]. | ENGINEERING FRACTURE MECHANICS , 2023 , 284 . |
| MLA | Lai, Huan Sheng et al. "Using tube specimen to investigate the creep behavior of FeCrAl fuel cladding tubes" . | ENGINEERING FRACTURE MECHANICS 284 (2023) . |
| APA | Lai, Huan Sheng , Jiang, Xiaowei , Zhong, Yuntao , Du, Peinan , Guo, Jinquan , Huang, Qifei . Using tube specimen to investigate the creep behavior of FeCrAl fuel cladding tubes . | ENGINEERING FRACTURE MECHANICS , 2023 , 284 . |
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3XXX series Al alloys belong to the high-corrosion-resistant Al alloys. One of their main applications is in heat exchange systems. However, under a harsh tropical marine environment, the serving lifetime of a 3003 Al alloy-based heat exchange system will be shortened by corrosion. Therefore, the corrosion protection of 3XXX series Al alloys needs to be paid much attention. To address this issue, an investigation was undertaken to study NaVO3 as a possible corrosion inhibitor for the 3003 Al alloy. The cathodic and anodic polarization tests were employed to study the inhibition mechanism of NaVO3. Electrochemical impedance spectroscopy (EIS) tests were carried out to monitor the long-term inhibition performance of NaVO3. After applying 10 mM NaVO3 into 3.5 wt.% NaCl, the corrosion current density was reduced from 1.179 & mu;A/cm(2) to 148.3 nA/cm(2). Additionally, the impedance increased with the immersion time. Followed by the characterization by scanning electron microscopy (SEM) and x-ray photoelectron spectroscopy (XPS), the protection mechanism of NaVO3 was ascribed to the hydrolysis and adsorbed reduction of pentavalent vanadium.
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| GB/T 7714 | Huang, Qifei , Zhong, Haolang , Li, Jiao et al. Corrosion Inhibition of 3003 Al Alloy by Aqueous Vanadate [J]. | JOM , 2023 , 76 (1) : 291-299 . |
| MLA | Huang, Qifei et al. "Corrosion Inhibition of 3003 Al Alloy by Aqueous Vanadate" . | JOM 76 . 1 (2023) : 291-299 . |
| APA | Huang, Qifei , Zhong, Haolang , Li, Jiao , Yang, Qinglin , Yao, Tiefu , Liu, Xiaotao et al. Corrosion Inhibition of 3003 Al Alloy by Aqueous Vanadate . | JOM , 2023 , 76 (1) , 291-299 . |
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The manufacturing process of nuclear fuel cladding tubes endows them with anisotropic material properties. In this study, a small punch testing (SPT) method was established to investigate the circumferential tensile behavior of nuclear fuel cladding tubes. The specimen of the proposed SPT method was bended and stretched in a single stress state under a punching force. The proposed SPT method was then used to analyze the circumferential tensile behavior of a FeCrAl fuel cladding tube. Finite element simulation results indicated that the SPT method established herein determined ultimate tensile stress with higher accuracy than standard SPT because the plastic strain in the proposed method under maximum force is considerably smaller than that in standard SPT. Moreover, the proposed method can more accurately determine yield stress compared with standard SPT, as reflected by the elastic stage in the load-displacement curve that was a straight line. The test results indicated that the proposed SPT can be used to accurately determine the circumferential yield stress and ultimate tensile stress of nuclear fuel cladding tubes.
Keyword ：
Fuel cladding tube Fuel cladding tube Small punch test Small punch test Tensile behavior Tensile behavior Tensile test Tensile test Yield stress Yield stress
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| GB/T 7714 | Lai, Huan Sheng , Wang, Rongcheng , Zhong, Yuntao et al. A modified small punch testing scheme to investigate the circumferential mechanical behavior of nuclear fuel cladding tubes [J]. | JOURNAL OF NUCLEAR MATERIALS , 2023 , 583 . |
| MLA | Lai, Huan Sheng et al. "A modified small punch testing scheme to investigate the circumferential mechanical behavior of nuclear fuel cladding tubes" . | JOURNAL OF NUCLEAR MATERIALS 583 (2023) . |
| APA | Lai, Huan Sheng , Wang, Rongcheng , Zhong, Yuntao , Du, Peinan , Guo, Jinquan , Huang, Qifei . A modified small punch testing scheme to investigate the circumferential mechanical behavior of nuclear fuel cladding tubes . | JOURNAL OF NUCLEAR MATERIALS , 2023 , 583 . |
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For the application of medium-entropy alloys (MEAs) in engineering, high cycle fatigue behavior of CoCrNi-based MEAs with different Al and Ti additions was investigated at room temperature (RT) and 350 degrees C in this study. When Al and Ti contents were increased from 1 to 4 at.% and 2 to 3 at.%, respectively, yield and fatigue strength increased by 70% and 43%, respectively, hardness and ultimate tensile strength increased by 40%, and fracture elongation was >37%. Between RT and 350 degrees C, the effect of temperature on the tensile and fatigue strength was not significant. The fatigue crack propagation resistance increased with increase in Al and Ti contents. Based on the fatigue strength determined in the study, fatigue life prediction equations were derived. Microstructure analysis indicated that higher tensile and fatigue strength were attributed to uniformly distributed precipitates of nanoscale L1(2) particles formed in the FCC matrix.
Keyword ：
fatigue strength fatigue strength high cycle fatigue high cycle fatigue medium-entropy alloy medium-entropy alloy
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| GB/T 7714 | Lai, Huan Sheng , Tang, Chaozhongzheng , Zhong, Yuntao et al. Effect of Al and Ti additions on the high cycle fatigue behavior of CoCrNi-based medium-entropy alloys at room and high temperatures [J]. | FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES , 2023 , 46 (7) : 2603-2616 . |
| MLA | Lai, Huan Sheng et al. "Effect of Al and Ti additions on the high cycle fatigue behavior of CoCrNi-based medium-entropy alloys at room and high temperatures" . | FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES 46 . 7 (2023) : 2603-2616 . |
| APA | Lai, Huan Sheng , Tang, Chaozhongzheng , Zhong, Yuntao , Guo, Jinquan , Huang, Qifei , Sun, Runye . Effect of Al and Ti additions on the high cycle fatigue behavior of CoCrNi-based medium-entropy alloys at room and high temperatures . | FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES , 2023 , 46 (7) , 2603-2616 . |
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本实用新型涉及一种基于3D打印蜂窝式高效换热器，包括换热器主体与套设在其外周的筒体，换热器主体中心横向穿设有第一输入管，所述第一输入管经螺旋换热通道与筒体、换热器主体之间的环形腔相通，筒体上开设第一输出口，所述换热器主体两端分别固设有输入腔与输出腔，所述换热器主体内于第一输入管外周横向穿设有蜂窝换热通道，所述蜂窝换热通道与螺旋换热通道错开设置，输入腔与输出腔经蜂窝换热通道相通，所述输入腔底端设有第二输入管，输出腔顶部开设第二输出口，该基于3D打印蜂窝式高效换热器结构紧凑，耐高压能力强。
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| GB/T 7714 | 张经伟 , 昝静一 , 梁坤 et al. 一种基于3D打印蜂窝式高效换热器 : CN202120795920.2[P]. | 2021-04-19 . |
| MLA | 张经伟 et al. "一种基于3D打印蜂窝式高效换热器" : CN202120795920.2. | 2021-04-19 . |
| APA | 张经伟 , 昝静一 , 梁坤 , 刘康林 , 黄齐飞 , 童晨垚 . 一种基于3D打印蜂窝式高效换热器 : CN202120795920.2. | 2021-04-19 . |
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本发明涉及一种基于超声波空化的磷酸铁锂回收试验仿真模拟方法，包括以下步骤：步骤S1 : 构建基于超声波的磷酸铁锂回收试验系统；步骤S2 : 根据基于超声波的磷酸铁锂回收试验系统，采用ANSYS‑ICEM建立二维仿真模型；步骤S3 : 对步骤S2得到的二维仿真模型进行简化处理；步骤S4 : 对简化后的二维仿真模型进行网格划分，并建立几何关联，得到对应的几何模型；步骤S5 : 在Fluent中导入几何模型后再导入udf模型，并进行边界条件及动网格设置，最后对设置完成简化后的二维仿真模型进行求解；步骤S6 : 将得到的解决结果导出，用于调用查看。本发明生成气相云图动画，可以观察到空化的分布区域，以及空化随着时间的实时变化情况。
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| GB/T 7714 | 刘康林 , 周铭 , 张经伟 et al. 基于超声波空化的磷酸铁锂回收试验仿真模拟方法 : CN202111033326.0[P]. | 2021-09-03 . |
| MLA | 刘康林 et al. "基于超声波空化的磷酸铁锂回收试验仿真模拟方法" : CN202111033326.0. | 2021-09-03 . |
| APA | 刘康林 , 周铭 , 张经伟 , 黄齐飞 , 郭金泉 . 基于超声波空化的磷酸铁锂回收试验仿真模拟方法 : CN202111033326.0. | 2021-09-03 . |
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在膨胀比ε=2～6、振荡管长径比L/d=107～730、射流激励频率f=30～200 Hz范围内,探讨了截面突扩型激波吸收器的消波效果及其对热分离器性能的影响.结果表明:在振荡管末端安装截面突扩短管可有效减弱管内反射激波强度,但当L/d≤107时则不能完全吸收反射激波;吸收管内反射激波,可提高制冷效率,降低最佳射流激励频率值,缩小热分离器体积及改善机器的变工况性能.建立了在安装激波吸收器时振荡管参数间的最佳匹配关系,利用该关系式可以预测热分离器最佳射流激励频率的大小.
Keyword ：
反射激波 反射激波 振荡管 振荡管 热分离器 热分离器 直接膨胀制冷 直接膨胀制冷
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| GB/T 7714 | 李学来 , 黄齐飞 , 朱彻 . 反射激波的吸收对热分离器性能的影响 [J]. | 化工学报 , 2003 , 54 (2) : 170-175 . |
| MLA | 李学来 et al. "反射激波的吸收对热分离器性能的影响" . | 化工学报 54 . 2 (2003) : 170-175 . |
| APA | 李学来 , 黄齐飞 , 朱彻 . 反射激波的吸收对热分离器性能的影响 . | 化工学报 , 2003 , 54 (2) , 170-175 . |
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By means of a single-tube set-up, the effect of jet flow exciting frequency (f) on refrigeration efficiency (η) and the influence of some factors, i.e. tube length, expansion rate, heat transfer conditions and discharging at the heat end of the tube, on optimal jet flow exciting frequency are studied experimentally. The results show that there exists a number of peak value refrigeration efficiency when the exciting frequency is increased. The variation of η due to the change of f can be over 12%. The optimal jet flow exciting frequency is significantly decreased when the tube length is increased, the expansion rate is decreased, the heat transfer condition outside of the tube is improved, or a part of heat gas is discharged at the heat end of the tube. An optimal parameters matching relationship, which can be used to predict the value of the optimal jet flow exciting frequency, is obtained.
Keyword ：
Frequencies Frequencies Heat transfer Heat transfer Jets Jets Oscillators (mechanical) Oscillators (mechanical) Refrigeration Refrigeration Shock waves Shock waves Thermal expansion Thermal expansion
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| GB/T 7714 | Li, Xuelai , Huang, Qifei , Zhu, Che . Influence of some factors on optimal jet flow exciting frequency of oscillatory tube [J]. | Journal of Chemical Industry and Engineering (China) , 2002 , 53 (2) : 194-198 . |
| MLA | Li, Xuelai et al. "Influence of some factors on optimal jet flow exciting frequency of oscillatory tube" . | Journal of Chemical Industry and Engineering (China) 53 . 2 (2002) : 194-198 . |
| APA | Li, Xuelai , Huang, Qifei , Zhu, Che . Influence of some factors on optimal jet flow exciting frequency of oscillatory tube . | Journal of Chemical Industry and Engineering (China) , 2002 , 53 (2) , 194-198 . |
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