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Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 294-300 doi: 10.1007/s11465-015-0351-0

Abstract: between the experimental and simulated results for the 1D and 2D specimens reveals that deformation and thermalstress in coated specimens can be predicted regardless of specimen geometry through FE modeling and

Keywords： in-plane     Young’s modulus     curvature temperature     thermal stress     coating    

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Thermal fluid-structure interaction and coupled thermal-stress analysis in a cable stayed bridge exposed

Nazim Abdul NARIMAN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 609-628 doi: 10.1007/s11709-018-0452-z

Abstract: In this paper, thermal fluid structure-interaction (TFSI) and coupled thermal-stress analysis are utilizedVorticity and thermal convection fields of three fire scenarios are simulated and analyzed.The results revealed that TFSI models and coupled thermal-stress models are significant in detecting

Keywords： fire scenario     transient heat transfer     TFSI model     coupled thermal-stress     XFEM    

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Effects of hemin and thermal stress exposure on JWA expression

ZHAO Ming, CHEN Rui, LI Aiping, ZHOU Jianwei

Frontiers of Medicine 2007, Volume 1, Issue 1,   Pages 104-108 doi: 10.1007/s11684-007-0020-8

Abstract: To investigate the expression of JWA after hemin and (or) thermal stress exposure, we treated K562 (chronicmyelogenous leukemia cells) cells with different doses of hemin and thermal stress using different exposurestress (42 °C, 30 min).CAT-ELISA further confirmed that either hemin or thermal stress treatment could up-regulate JWA transcriptionHemin and thermal stress might regulate JWA expression via distinct intracellular signal transduction
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Risk-based probabilistic thermal-stress analysis of concrete arch dams

Narjes SOLTANI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1007-1019 doi: 10.1007/s11709-019-0521-y

Abstract: The probabilistic risk of arch dam failure under thermal loading is studied.variables, are associated with the most affecting structural (material) properties of concrete and thermalstress distribution is investigated during the operating phase.methods in order to obtain thermal response predictions, and estimate the probability of failure inThe thermal loading includes ambient air and reservoir temperature variations.

Keywords： arch dams     probabilistic analysis     thermal stress     sensitivity     reliability    

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Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 158-164 doi: 10.1007/s11709-009-0002-9

Abstract: field test was conducted to investigate the distribution of temperature field and the variation of thermalstress for a prestressed concrete (PC) box-girder bridge.According to field tests, the thermal stress incurred by hydration heat may induce temperature cracksFurthermore, the nonlinear distribution of temperature gradient and the fluctuation of thermal stress

Keywords： box-girder bridge     field test     hydration heat     temperature field     temperature gradient     thermal stress    

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Effect of heat transfer coefficient of steam turbine rotor on thermal stress field under off-design condition

Jie GUO,Danmei XIE,Hengliang ZHANG,Wei JIANG,Yan ZHOU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 57-64 doi: 10.1007/s11708-015-0385-3

Abstract: The precise calculation of temperature and thermal stress field of steam turbine rotor under off-designstress difference along with the change of HT coefficient from 20 W/(m ·°C) to 20000 W/(m ·°C).stress, which means a precise empirical HT coefficient formula, like the Sarkar formula is stronglystress.This research plays a constructive role in the calculation and analysis of thermal stress.

Keywords： steam turbine     rotor     thermal stress     heat transfer coefficient     empirical formula    

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Research and development of a high-quality thermal-stress online monitoring model for the 600 MW turbine

ZHANG Hengliang, XIE Danmei, XIONG Yangheng, SUN Kunfeng

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 322-326 doi: 10.1007/s11708-007-0047-1

Abstract: To monitor and control its thermal state, a rotor s temperature and thermal stress fields must be calculatedAfter some reasonable assumptions and simplification, iterative models of the rotor s temperature and thermalstresses were obtained with an integral transform based on a two-dimensional axis-symmetry thermal conductionThe iterative formulas could be used not only to analyze the rotor’s thermal states of turbine, but toThe method adopted can be used to analyze the thermal state of other axis-symmetry objects having similar
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Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 563-570 doi: 10.1007/s11465-018-0487-9

Abstract:

The thermal hydraulic (TH) behavior of coo-lant water is a key factor in the structural integrityassessments on reactor pressure vessels (RPVs) of pressurized water reactors (PWRs) under pressurized thermalanalysis with different operator action times, we also performed structural analyses for evaluating thermal-stress

Keywords： structural integrity     reactor pressure vessel     pressurized thermal shock     thermal hydraulic analysis     pressurizedwater reactor     weld residual stress    

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Study on TA2 Sheet Metal Bending With Thermal Stress Induced by Laser and Its Mechanical Properties

Zhou Yijun,Zhang Yongkang,You Wenming,Yin Chen,Zhang Chengyang

Strategic Study of Chinese Academy of Engineering 2007, Volume 9, Issue 10,   Pages 40-44

Abstract: 5 kW CO2 laser,  a HVS-1000 Micro-hardness measuring instrument and an X-350A X-ray stresswhere 0. 6mm-thickn sheet steel of TA2 was studied to evaluate the process parameters of bending with thermalstress induced by laser. Distribution of residual stress on the surface and variation of micro-hardness on the cross section Parameters of laser forming also have some influence on the distribution of residual stress on

Keywords： laser technology     thermal stress     sheet metal bending     residual stress     micro-hardness    

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Experimental Analysis of Glass Cutting by Laser Thermal Str ess

Yin Sumin,Zhang Leihong,Xu Renjun,Zhang Lingfeng, Ge Tao

Strategic Study of Chinese Academy of Engineering 2007, Volume 9, Issue 3,   Pages 67-70

Abstract: 10.6μm wavelength is absorbed fiercely by the15μm_thick glass layer on the surface, and the locol stressAt the same time the quenching mouth is blowing the colder air onto the glass surface, quenching the thermalthe glass surface is higher than the softening point, blowing colder air onto the surface forms the thermalstress concentrtion layer.The best pace of the laser thermal stress cutting is 400 mm/s which is testified by the experiment.

Keywords： laser     glass     thermal stress cutting    

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Separation mechanism for double cylinder with shrink fitting system used for ceramics conveying rollers

Wenbin LI, Hiromasa SAKAI, Shota HARADA, Yasushi TAKASE, Nao-Aki NODA

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 277-286 doi: 10.1007/s11465-011-0234-y

Abstract: Since the thermal expansion coefficient of steel is about five times larger than that of ceramics, it

Keywords： contact     ceramics     thermal stress     heating     finite element method    

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EFFECTS OF TRANSPORT STRESS ON THE INTESTINES INVOLVING NEURONAL NITRIC OXIDE SYNTHASE

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2022469

Abstract:

● Transport stress declined the level of leukocytes including lymphocytes

Keywords： intestine     nNOS     nNOS-positive neurons     transport stress    

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Assessment indices for uniform and non-uniform thermal environments

ZHANG Yufeng, SUN Shufeng, ZHAO Rongyi

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 129-133 doi: 10.1007/s11708-008-0029-y

Abstract: Different assessment indices for thermal environments were compared and selected for proper assessmentof indoor thermal environments. 30 subjects reported their overall thermal sensation, thermal comfort, and thermal acceptability in uniform and non-uniform conditions.However, overall thermal sensation differs from the other two indices and cannot be used as a proper

Keywords： thermal sensation     proper assessment     relationship     equivalent     thermal acceptability    

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The formation mechanism and the influence factor of residual stress in machining

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 265-269 doi: 10.1007/s11465-014-0311-0

Abstract: On the basis of the analytical model for residual stress, a series of simulations for residual stressorder to obtain the influences of cutting speed, depth of cut and tool edge radius on surface residual stressAnd these influences are explained from the perspective of formation mechanism of residual stress in

Keywords： residual stress     analytical model     strain     plastic     cutting parameter    

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Improved analytical model for residual stress prediction in orthogonal cutting

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 249-256 doi: 10.1007/s11465-014-0310-1

Abstract: for residual stress prediction in orthogonal cutting.model are picked out, including: inappropriate boundary conditions, unreasonable calculation method of thermalstress, ignorance of stress constraint and cyclic loading algorithm.workpiece is used to make it in accord with the real cutting process; an improved calculation method of thermalstress is adopted; a stress constraint is added according to the volume-constancy of plastic deformation

Keywords： residual stress     analytical model     orthogonal cutting     cutting force     cutting temperature    

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Title Author Date Type Operation

Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Journal Article

Thermal fluid-structure interaction and coupled thermal-stress analysis in a cable stayed bridge exposed

Nazim Abdul NARIMAN

Journal Article

Effects of hemin and thermal stress exposure on JWA expression

ZHAO Ming, CHEN Rui, LI Aiping, ZHOU Jianwei

Journal Article

Risk-based probabilistic thermal-stress analysis of concrete arch dams

Narjes SOLTANI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Journal Article

Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Journal Article

Effect of heat transfer coefficient of steam turbine rotor on thermal stress field under off-design condition

Jie GUO,Danmei XIE,Hengliang ZHANG,Wei JIANG,Yan ZHOU

Journal Article

Research and development of a high-quality thermal-stress online monitoring model for the 600 MW turbine

ZHANG Hengliang, XIE Danmei, XIONG Yangheng, SUN Kunfeng

Journal Article

Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Journal Article

Study on TA2 Sheet Metal Bending With Thermal Stress Induced by Laser and Its Mechanical Properties

Zhou Yijun,Zhang Yongkang,You Wenming,Yin Chen,Zhang Chengyang

Journal Article

Experimental Analysis of Glass Cutting by Laser Thermal Str ess

Yin Sumin,Zhang Leihong,Xu Renjun,Zhang Lingfeng, Ge Tao

Journal Article

Separation mechanism for double cylinder with shrink fitting system used for ceramics conveying rollers

Wenbin LI, Hiromasa SAKAI, Shota HARADA, Yasushi TAKASE, Nao-Aki NODA

Journal Article

EFFECTS OF TRANSPORT STRESS ON THE INTESTINES INVOLVING NEURONAL NITRIC OXIDE SYNTHASE

Journal Article

Assessment indices for uniform and non-uniform thermal environments

ZHANG Yufeng, SUN Shufeng, ZHAO Rongyi

Journal Article

The formation mechanism and the influence factor of residual stress in machining

Zhaoxu QI,Bin LI,Liangshan XIONG

Journal Article

Improved analytical model for residual stress prediction in orthogonal cutting

Zhaoxu QI,Bin LI,Liangshan XIONG

Journal Article