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Experiment and surge analysis of centrifugal two-stage turbocharging system

HE Yituan, MA Chaochen

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 365-368 doi: 10.1007/s11465-008-0073-7

Abstract: of a high pressure (HP) stage compressor can be converted into corrected parameters under a standard conditionaccording to the Mach number similarity criterion, because the air flow in a HP stage compressor hasentered the Reynolds number () auto-modeling range.

Keywords： auto-modeling     compressor     Reynolds number     characteristic     standard condition    

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Experimental study on heat transfer characteristics of supercritical carbon dioxide in horizontal tube

LV Jing, FU Meng, QIN Na, DONG Bin

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 339-343 doi: 10.1007/s11708-008-0045-y

Abstract: The variations of Reynolds number and Prandtl number were obtained in counter flow and vertical crosswere verified by the experimental data in this study and the correlation agree with this experimental condition

Keywords： conventional     experimental condition     vertical     Reynolds number     transfer    

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Non-ideal space division multiple access and its application None

Ji-ying XIANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 3,   Pages 357-366 doi: 10.1631/FITEE.1700827

Abstract: When the SDMA channel is of high inter-layer correlation and the condition number is large, the multiple

Keywords： Fifth generation (5G)     Condition number     Channel reciprocity     Feedback mode     Non-feedback mode    

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Estimating the number of Chinese cancer patients eligible for and benefit from immune checkpoint inhibitors

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 773-783 doi: 10.1007/s11684-021-0902-1

Abstract: The total number of cancer patients who are eligible for and will benefit from immune checkpoint inhibitorsThis cross-sectional study was conducted to estimate the number of Chinese cancer patients with eligibilityThe estimated number of eligible patients annually was 1 290 156 (55.18%), which included 888 738 malesThe estimated number of responders annually was 448 972 (19.20%), which included 309 023 males (20.88%hepatocellular carcinoma (n=277 100, 11.85%) were the top three cancer types with the highest number

Keywords： benefit     China     eligibility     immune checkpoint inhibitor     public health    

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A review of condition-based maintenance: Its prognostic and operational aspects

Yanrong LI, Shizhe PENG, Yanting LI, Wei JIANG

Frontiers of Engineering Management 2020, Volume 7, Issue 3,   Pages 323-334 doi: 10.1007/s42524-020-0121-5

Abstract: Condition-based maintenance (CBM) detects early signs of failure and dictates when maintenance shouldbe performed based on the actual condition of a system.

Keywords： condition-based maintenance     prognostics     operational decision-making     reliability    

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Trend prediction technology of condition maintenance for large water injection units

Xiaoli XU, Sanpeng DENG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 171-175 doi: 10.1007/s11465-009-0091-0

Abstract: Trend prediction technology is the key technology to achieve condition-based maintenance of mechanicalnormal operation of units and save maintenance costs, trend prediction technology is studied to achieve condition-basedindustrial site verification shows that the proposed trend prediction technology can reflect the operating conditiontrend change of the water injection units and provide technical means to achieve condition-based predictive

Keywords： water injection units     condition-based maintenance     trend prediction    

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Identification of structural parameters and boundary conditions using a minimum number of measurement

Ali KARIMPOUR, Salam RAHMATALLA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1331-1348 doi: 10.1007/s11709-020-0686-4

Abstract: This article proposes a novel methodology that uses mathematical and numerical models of a structure to build a data set and determine crucial nodes that possess the highest sensitivity. Regression surfaces between the structural parameters and structural output features, represented by the natural frequencies of the structure and local transmissibility, are built using the numerical data set. A description of a possible experimental application is provided, where sensors are mounted at crucial nodes, and the natural frequencies and local transmissibility at each natural frequency are determined from the power spectral density and the power spectral density ratios of the sensor responses, respectively. An inverse iterative process is then applied to identify the structural parameters by matching the experimental features with the available parameters in the myriad numerical data set. Three examples are presented to demonstrate the feasibility and efficacy of the proposed methodology. The results reveal that the method was able to accurately identify the boundary coefficients and physical parameters of the Euler-Bernoulli beam as well as a highway bridge model with elastic foundations using only two measurement points. It is expected that the proposed method will have practical applications in the identification and analysis of restored structural systems with unknown parameters and boundary coefficients.

Keywords： structural model validation     eigenvalue problem     response surface     inverse problems    

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Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0661-3

Abstract: processes often cause severe damages of workpieces and lead to large quantities of loss, making tool conditionHere, a real-time tool condition monitoring method integrated in an in situ fiber optic temperature

Keywords： tool condition monitoring     cutting temperature     neural network     learning rate adaption    

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Benzene removal by nano magnetic particles under continuous condition from aqueous solutions

Amin Mohammad Mehdi,Bina Bijan,Majd Amir Masoud Samani,Pourzamani Hamidreza

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 345-356 doi: 10.1007/s11783-013-0574-4

Abstract: removal from aqueous solutions was evaluated using Fe O nano magnetic particles (NM) in continuous conditionThe results indicated that all factors were significant and the optimum condition was: pH 8, NM doseThe nano particles were shown to capture 98.7% of the benzene in optimum batch condition and 94.5% incontinuous condition.

Keywords： benzene     experimental design     Fe3O4     continues condition     thermal recycling    

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In-situ condition monitoring of reinforced concrete structures

Sanjeev Kumar VERMA,Sudhir Singh BHADAURIA,Saleem AKHTAR

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 420-437 doi: 10.1007/s11709-016-0336-z

Abstract: through modeling of physical deterioration mechanisms, performance characteristics and parameters and condition

Keywords： concrete     carbonation     chloride     corrosion     monitoring     models    

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Forecast method for used number of parts and components based on complex network

LIU Fu-yun, QI Guo-ning, YANG Qing-hai

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 479-484 doi: 10.1007/s11465-006-0064-5

Abstract: Applying directed complex network to model the main structure of a product family, according to in-degree bi-logarithmic coordinate distribution curve and distribution rule of nodes of the network, in-degree evolving rule of nodes of the network is presented and analytic expression of in-degree probability density of nodes is derived. Through the analysis of the relation between existing kinds of components and existing product numbers, an expression of the relation between kinds of components and product numbers is derived. A forecast method for the increment of component numbers and parts based on the increment of products is presented. As an example, the component numbers of an industrial steam turbine product family is forecasted, forecast result verified and forecast error analyzed.

Keywords： complex network     industrial     component     analytic expression     forecast    

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Influence of cetane number improver on performance and emissions of a common-rail diesel engine fueled

Wu YU, Gen CHEN, Zuohua HUANG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 412-418 doi: 10.1007/s11708-011-0163-9

Abstract: In this paper, the effect of cetane number (CN) improver on performance and emissions, including particulatenumber concentration and size distribution, of a turbocharged, common-rail diesel engine fueled withFurthermore, particle number concentration decreases and peak of size distribution profile shifts toward

Keywords： biodiesel     methanol     common-rail (CR) diesel engine     cetane number (CN) improver    

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involved in nitrogen cycling in wastewater treatment plants using DNA microarray and most probable number-PCR

Junqin PANG, Masami MATSUDA, Masashi KURODA, Daisuke INOUE, Kazunari SEI, Kei NISHIDA, Michihiko IKE

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0846-x

Abstract: genes in various processes of municipal WWTPs by employing two molecular-based methods:most probable number-polymerase

Keywords： DNA microarray analysis     Nitrogen cycling functional genes     Most probable number-polymerase chain reaction    

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MPC-based interval number optimization for electric water heater scheduling in uncertain environments

Jidong WANG, Chenghao LI, Peng LI, Yanbo CHE, Yue ZHOU, Yinqi LI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 186-200 doi: 10.1007/s11708-019-0644-9

Abstract: In this paper, interval number optimization and model predictive control are proposed to handle the uncertain-but-boundedMoreover, the traditional thermal dynamic model of electric water heater is transformed into an interval numberthe day-ahead load scheduling problem with uncertain parameters is formulated, and solved by interval numberSimulation results demonstrate that interval number optimization either in day-ahead optimization or

Keywords： electric water heater     load scheduling     interval number optimization     model predictive control     uncertainty    

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An Axiomatic Definition of Degree of Greyness of Grey Number

Liu Sifeng,Li Yi

Strategic Study of CAE 2004, Volume 6, Issue 8,   Pages 91-94

Abstract:

In this paper, an axiomatic system for the definition of degree of greyness of grey number is builtbased on discussion with two definitions of degree of greyness of grey number which have been put forwardTaking axioms as the criterion for definition of degree of grayness of grey number, a new formula fornumber and the background or field which is brought about by the grey number.The degree of uncertainty of grey number is described scientifically, and some problems present in old

Keywords： grey systems     degree of greyness of grey number     measure     axiomatic definition    

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Title Author Date Type Operation

Experiment and surge analysis of centrifugal two-stage turbocharging system

HE Yituan, MA Chaochen

Journal Article

Experimental study on heat transfer characteristics of supercritical carbon dioxide in horizontal tube

LV Jing, FU Meng, QIN Na, DONG Bin

Journal Article

Non-ideal space division multiple access and its application

Ji-ying XIANG

Journal Article

Estimating the number of Chinese cancer patients eligible for and benefit from immune checkpoint inhibitors

Journal Article

A review of condition-based maintenance: Its prognostic and operational aspects

Yanrong LI, Shizhe PENG, Yanting LI, Wei JIANG

Journal Article

Trend prediction technology of condition maintenance for large water injection units

Xiaoli XU, Sanpeng DENG

Journal Article

Identification of structural parameters and boundary conditions using a minimum number of measurement

Ali KARIMPOUR, Salam RAHMATALLA

Journal Article

Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Journal Article

Benzene removal by nano magnetic particles under continuous condition from aqueous solutions

Amin Mohammad Mehdi,Bina Bijan,Majd Amir Masoud Samani,Pourzamani Hamidreza

Journal Article

In-situ condition monitoring of reinforced concrete structures

Sanjeev Kumar VERMA,Sudhir Singh BHADAURIA,Saleem AKHTAR

Journal Article

Forecast method for used number of parts and components based on complex network

LIU Fu-yun, QI Guo-ning, YANG Qing-hai

Journal Article

Influence of cetane number improver on performance and emissions of a common-rail diesel engine fueled

Wu YU, Gen CHEN, Zuohua HUANG

Journal Article

involved in nitrogen cycling in wastewater treatment plants using DNA microarray and most probable number-PCR

Junqin PANG, Masami MATSUDA, Masashi KURODA, Daisuke INOUE, Kazunari SEI, Kei NISHIDA, Michihiko IKE

Journal Article

MPC-based interval number optimization for electric water heater scheduling in uncertain environments

Jidong WANG, Chenghao LI, Peng LI, Yanbo CHE, Yue ZHOU, Yinqi LI

Journal Article

An Axiomatic Definition of Degree of Greyness of Grey Number

Liu Sifeng,Li Yi

Journal Article