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Thermal reffusivity: uncovering phonon behavior, structural defects, and domain size

Yangsu XIE, Bowen ZHU, Jing LIU, Zaoli XU, Xinwei WANG

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 143-157 doi: 10.1007/s11708-018-0520-z

Abstract: Herein, we make a systematic review on the newly developed thermal reffusivity theory.size and defect levels of metals, the thermal reffusivity can also uncover phonon behavior, structureFrom the thermal reffusivity against temperature curves, the Debye temperature of the material and theFrom the residual thermal reffusivity at the 0 K limit, the structural thermal domain (STD) size of crystallineUltimately, the future application of thermal reffusivity theory in studying 2D materials and amorphous

Keywords： thermal reffusivity theory     phonon behavior     structure defects     structural thermal domain (STD) size     2D    

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Data mining diagnosis system based on rough set theory for boilers in thermal power plants

YANG Ping

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 162-167 doi: 10.1007/s11465-006-0017-z

Abstract: Large amounts of data in the SCADA systems databases of thermal power plants have been used for monitoringAimed at difficulties in fault diagnosis for boilers in thermal power plants, a hybrid-intelligence data-miningis structured to extract hidden diagnosis information directly from the SCADA systems databases in thermalA reduction algorithm based on rough set theory is designed to find minimum reducts from all discretefault diagnosis system is designed and realized by the proposed approach, its running results in a thermal
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Thermal transport in organic/inorganic composites

Bin LIU, Lan DONG, Qing XI, Xiangfan XU, Jun ZHOU, Baowen LI

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 72-86 doi: 10.1007/s11708-018-0526-6

Abstract: Thermal properties of organic/inorganic composites play a crucial role in some applications such as thermalinterface materials for micro-electronic packaging, nano-porous materials for sensor development, thermalIn the past few years, many studies have been conducted to reveal the physical mechanism of thermal transportBesides, main factors affecting the thermal conductivity of organic/inorganic composites are discussedinorganic fillers, topological structure of composites, loading volume fraction, and the interfacial thermal

Keywords： thermal conductivity     organic/inorganic composites     effective medium theory     thermal percolation theory     interfacial thermal resistance    

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Theory analysis and system identification methods on thermal dynamics characteristics of ballscrews

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 408-415 doi: 10.1007/s11465-008-0061-y

Abstract: Empirical model of machine tools on thermal error has been widely researched, which can compensate forthermal error to some extent but not suitable for thermal dynamic errors produced by dynamic heat sourcesunidimensional heat transfer of ballscrews influenced by changeable heat sources is analyzed based on the theorynetwork (ANN) system identification) are put forward to establish a dynamic characteristic model of thermalThe model of thermal error of the axis in a feed system of DM4600 vertical miller is established with

Keywords： square system     network     vertical miller     transfer     ANN    

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Research of construction management on thermalpower project based on life cycle theory

Zhang Xiaolu

Strategic Study of CAE 2011, Volume 13, Issue 4,   Pages 68-74

Abstract:

A method of applying life cycle theory into the control and managementon thermal power project construction domain was proposed to fit the strong complexity and particularitytheory.The application result shows that the theory and the platform provide an effective technical supportfor the construction and management of the thermal power project.

Keywords： life cycle     integrated control     construction management     information management platform     thermal power    

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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     pressurized    

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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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Liquid metal thermal hydraulics R&D at European scale: achievements and prospects

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 842-853 doi: 10.1007/s11708-021-0743-2

Abstract: Commission in the past 20 years in the fields of liquid-metal heat transfer modeling, fuel assembly and core thermalhydraulics, pool and system thermal hydraulics, and establishment of best practice guidelines and verificationanalysis of the consequences of fuel assembly blockages on coolant flow and temperature, analysis of the thermalhydraulic effects in deformed fuel assemblies, extended validation of three-dimensional pool thermalhydraulic CFD models, and further development and validation of multi-scale system thermal hydraulic

Keywords： liquid metal     thermal hydraulics     Europe    

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Analysis of Theory of Architecture

Gu Mengchao

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 100-102

Abstract:

Starting with the analysis of the definition and concept of the theoryof architecture, the framework of architectural theory and the filling theory innovation, the authorgives his understanding on the framework of architectural theory with Chinese characteristics.

Keywords： theory of architecture     framework of architectural theory     starting point and finishing point ofarchitecturaltheory     innovation in architectural theory    

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Coupling evaluation for material removal and thermal control on precision milling machine tools

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 12-12 doi: 10.1007/s11465-021-0668-9

Abstract: material removal (MR) energy as useful energy consumption and ignored the useful energy consumed by thermalcontrol (TC) for maintaining internal thermal stability and machining accuracy.

Keywords： machine tools     cutting energy efficiency     thermal stability     machining accuracy     coupling evaluation    

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An autonomous system for thermal convection of viscoelastic fluids in a porous layer using a thermal

Qi WEI, Xiaohui ZHANG

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 507-516 doi: 10.1007/s11708-010-0017-x

Abstract: Thermal convection of viscoelastic fluids saturating a horizontal porous layer heated from below is analyzedusing a thermal nonequilibrium model to take account of the interphase heat transfer between the fluidThe effects of interphase heat transfer on the thermal convection of viscoelastic fluids in a porous

Keywords： thermal convection     porous media     viscoelastic fluid     thermal nonequilibrium model    

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ANN-exhaustive-listing method for optimization of multiple building shapes and envelope properties with maximum thermal

Yaolin LIN, Wei YANG

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 550-563 doi: 10.1007/s11708-019-0607-1

Abstract: awareness of sustainability, demands on optimized design of building shapes with a view to maximize its thermalCurrent research focuses more on building envelopes than shapes, and thermal comfort of building occupantshas not been considered in maximizing thermal performance in building shape optimization.performance as measured by both thermal load and comfort hour.that the building shape needs to be treated separately to achieve sufficient accuracy of prediction of thermal

Keywords： ANN (artificial neural network)     exhaustive-listing     building shape     optimization     thermal load     thermal comfort    

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Usability perceptions and beliefs about smart thermostats by chi-square test, signal detection theory, and fuzzy detection theory in regions of Mexico

Pedro PONCE, Therese PEFFER, Arturo MOLINA

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 522-538 doi: 10.1007/s11708-018-0562-2

Abstract: This paper proposes the use of a signal detection theory (SDT), fuzzy detection theory (FDT), and chi-square

Keywords： thermostats     perceptions     beliefs     signal detection theory (SDT)     fuzzy signal detection theory (FSDT)     chi-square    

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Flow and thermal modeling of liquid metal in expanded microchannel heat sink

Frontiers in Energy   Pages 796-810 doi: 10.1007/s11708-023-0877-5

Abstract: The flow and thermal modeling of expanded microchannel heat sink (E-MCHS) were analyzed by both usingthe 3-dimensional (3D) numerical simulation and the 1-dimensional (1D) thermal resistance model.The fin efficiency of E-MCHS was derived to improve the accuracy of the 1D thermal resistance model.and the heat convection between the top surface of fins and the liquid metal could reduce the total thermalThe maximum thermal resistance reduction in the example of this paper reached 36.0%.

Keywords： liquid metal cooling     heat sink     expanded microchannel     flow and thermal modeling    

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Title Author Date Type Operation

Thermal reffusivity: uncovering phonon behavior, structural defects, and domain size

Yangsu XIE, Bowen ZHU, Jing LIU, Zaoli XU, Xinwei WANG

Journal Article

Data mining diagnosis system based on rough set theory for boilers in thermal power plants

YANG Ping

Journal Article

Thermal transport in organic/inorganic composites

Bin LIU, Lan DONG, Qing XI, Xiangfan XU, Jun ZHOU, Baowen LI

Journal Article

Theory analysis and system identification methods on thermal dynamics characteristics of ballscrews

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Journal Article

Potassium carbonate-based ternary transition temperature mixture (deep eutectic analogues) for CO absorption: Characterizations and DFT analysis

Journal Article

Research of construction management on thermalpower project based on life cycle theory

Zhang Xiaolu

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

Assessment indices for uniform and non-uniform thermal environments

ZHANG Yufeng, SUN Shufeng, ZHAO Rongyi

Journal Article

Liquid metal thermal hydraulics R&D at European scale: achievements and prospects

Journal Article

Analysis of Theory of Architecture

Gu Mengchao

Journal Article

Coupling evaluation for material removal and thermal control on precision milling machine tools

Journal Article

An autonomous system for thermal convection of viscoelastic fluids in a porous layer using a thermal

Qi WEI, Xiaohui ZHANG

Journal Article

ANN-exhaustive-listing method for optimization of multiple building shapes and envelope properties with maximum thermal

Yaolin LIN, Wei YANG

Journal Article

Usability perceptions and beliefs about smart thermostats by chi-square test, signal detection theory, and fuzzy detection theory in regions of Mexico

Pedro PONCE, Therese PEFFER, Arturo MOLINA

Journal Article

Flow and thermal modeling of liquid metal in expanded microchannel heat sink

Journal Article