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Performance design of a cryogenic air separation unit for variable working conditions using the lumped

Jinghua XU, Tiantian WANG, Qianyong CHEN, Shuyou ZHANG, Jianrong TAN

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 24-42 doi: 10.1007/s11465-019-0558-6

Abstract: Large-scale cryogenic air separation units (ASUs), which are widely used in global petrochemical andDifferent from discrete processes in traditional machinery manufacturing, the ASU process is continuousA lumped parameter model (LPM) of ASU is proposed by lumping the main factors together and simplifyingWith LPM, the performance of the air compressor, molecular sieve adsorber, turbo expander, main plate-finThe designed value of net power consumption per unit of oxygen production (kW/(Nm O )) is reduced by

Keywords： performance design     air separation unit (ASU)     lumped parameter model (LPM)     variable working conditions    

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Exergy and exergoeconomic analyses for integration of aromatics separation with aromatics upgrading

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 183-193 doi: 10.1007/s11705-022-2192-9

Abstract: This work integrates the aromatics separation with toluene disproportionation, transalkylation of tolueneNevertheless, the process presents lower total product unit cost with the splitting ratio of toluene

Keywords： aromatics separation and upgrading     variant splitting ratios     total exergy destruction     total productunit cost    

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Stormwater treatment: examples of computational fluid dynamics modeling

Gaoxiang YING, John SANSALONE, Srikanth PATHAPATI, Giuseppina GAROFALO, Marco MAGLIONICO, Andrea BOLOGNESI, Alessandro ARTINA

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 638-648 doi: 10.1007/s11783-012-0442-7

Abstract: PM-bound chemical loads is challenging; in part due to the wide gradation of PM complex geometries of many unitassociated with resolving such challenges have led to the relatively common examination of a spectrum of unitNavier-Stokes (NS) system of nonlinear partial differential equations for multi-phase hydrodynamics and separationof entrained particles are solved numerically over the unit operation control volume with the boundaryPost-processing the CFD predictions provides an in-depth insight into the mechanistic behavior of unit

Keywords： stormwater     unit operations and processes (UOPs)     hydrodynamic separation     filtration     adsorption     computationalfluid dynamics (CFD)     turbulence modeling     discrete phase model     particle separation     detention/retention    

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Evaluation of the influence of El Niño–Southern Oscillation on air quality in southern China from long-term

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1460-0

Abstract:

•Strong ENSO influence on AOD is found in southern China region.

Keywords： El Niño–Southern Oscillation     Aerosol concentration     Aerosol particle size     Contribution separation    

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Experimental investigation on oil-gas separator of air-conditioning systems

Dianbo XIN,Shuliang HUANG,Song YIN,Yuping DENG,Wenqiang ZHANG

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 411-416 doi: 10.1007/s11708-017-0447-9

Abstract: The oil-gas separator is the most essential component of the oil-return system, and the separation efficiencyTherefore, in this paper, a test rig was built to measure the oil discharge ratio of the compressor and the separationThe separation efficiency of the separator could be obtained by comparing the mass fraction of oil to

Keywords： variable refrigerant flow system     oil-gas separator     separation efficiency    

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Zinc Air Fuel Cell Power Station

Zhu Mei,Xu Xianzhi,Su Run

Strategic Study of CAE 2004, Volume 6, Issue 12,   Pages 62-64

Abstract: The zinc-air fuel cell power station technology is introduced in this paper.Another character of the power station is the separation circulation technology, which improves the general

Keywords： fuel cell     zinc-air fuel cell     detachable electrode     single cell     separation circulation technology    

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A solution to stochastic unit commitment problem for a wind-thermal system coordination

B. SARAVANAN,Shreya MISHRA,Debrupa NAG

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 192-200 doi: 10.1007/s11708-014-0306-x

Abstract: Unit commitment (UC) problem is one of the most important decision making problems in power system.The most important issue that needs to be addressed is the achievement of an economic unit commitmentThis paper proposes a hybrid approach to solve the stochastic unit commitment problem considering the

Keywords： unit commitment (UC)     randomness     wind generation     univariate     chance constrained    

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Solving unit commitment problem using a novel version of harmony search algorithm

Roozbeh MORSALI,Tohid JAFARI,Amirhossein GHODS,Mohammad KARIMI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 297-304 doi: 10.1007/s11708-014-0309-7

Abstract: this context, a novel structure was proposed for improving harmony search (HS) algorithm to solve the unit

Keywords： generation scheduling     harmony search (HS) algorithm     intelligent technique     unit commitment    

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A solution to the unit commitment problem—a review

B. SARAVANAN, Siddharth DAS, Surbhi SIKRI, D. P. KOTHARI

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 223-236 doi: 10.1007/s11708-013-0240-3

Abstract: Unit commitment (UC) is an optimization problem used to determine the operation schedule of the generating

Keywords： unit commitment (UC)     optimization     deterministic load     stochastic load     evolutionary programming (EP)     hybrid    

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Energy saving design of the machining unit of hobbing machine tool with integrated optimization

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0694-2

Abstract: The machining unit of hobbing machine tool accounts for a large portion of the energy consumption duringA comprehensive function of energy consumption of the machining unit is built to address this problemResults show that the energy consumption and tool displacement of the machining unit are reduced, indicating

Keywords： energy saving design     energy consumption     machining unit     integrated optimization     machine tool    

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Continuous-Flow Synthesis of the Nucleobase Unit of Remdesivir Article

Yongxing Guo, Minjie Liu, Meifen Jiang, Yuan Tao, Dang Cheng, Fen-Er Chen

Engineering 2023, Volume 21, Issue 2,   Pages 92-100 doi: 10.1016/j.eng.2021.07.029

Abstract:

In this work, the nucleobase unit of the antiviral drug remdesivir, 7workup procedures are fully integrated into the reaction sequences by deploying dedicated equipment and separationThis method represents a greener and more sustainable process to prepare this nucleobase unit with high

Keywords： Flow chemistry     Continuous multistep synthesis     Microreaction technology     Reaction–separation integration    

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Phase separation in cGAS-STING signaling

Frontiers of Medicine   Pages 855-866 doi: 10.1007/s11684-023-1026-6

Abstract: Biomolecular condensates formed by phase separation are widespread and play critical roles in many physiologicalInterestingly, exciting recent studies have reported that biomolecular phase separation exists and playsHere, we summarize recent advances in the phase separation of cGAS-STING signaling and the development

Keywords： biomolecular condensates     phase separation     cGAS-STING pathway     cGAS     STING     cGAMP     interferon    

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Low crosstalk switch unit for dense piezoelectric sensor networks

Lei QIU, Shenfang YUAN,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 401-406 doi: 10.1007/s11465-009-0047-4

Abstract: sampling rate and limited quantity of signal amplifiers used in an integrated computer system, a switch unitfrequency and power of the lamb wave excitation signal, there exists a crosstalk signal in the switch unitThen a 24-switch channel low crosstalk switch unit based on a digital I/O board PCI7248 produced by Adlink, a general software program based on LabVIEW software platform is developed to control this switch unit

Keywords： structural health monitoring (SHM)     piezoelectric (PZT) sensor networks     switch unit     crosstalk signal    

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Ensemble unit and AI techniques for prediction of rock strain

Pradeep T; Pijush SAMUI; Navid KARDANI; Panagiotis G ASTERIS

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 858-870 doi: 10.1007/s11709-022-0831-3

Abstract: Additionally, the ensemble unit (EnU) may be utilized to evaluate rock strain.

Keywords： prediction     strain     ensemble unit     rank analysis     error matrix    

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High-Level Layout Technology and Engineering Application for Advanced Air-Cooled Ultra-SupercriticalSteam-Turbine Generator Unit

Wang Shumin, Zhang Yi, Xu Lu, Li Yanbing, Gu Yongzheng, Zhuo Hua, Sun Rui, Zhang Manping, Jiang Shihong, Liu Jianhai, Li Hongxing

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 147-159 doi: 10.15302/J-SSCAE-2023.02.012

Abstract: this study introduces the engineering innovation practice of the high-level layout technology for an air-cooledultra-supercritical steam-turbine generator unit.safety of the main power house structure, high-temperature steam pipelines, and steam turbine generator unitbeing 65 m) can save 34.2% and 20.9% of raw materials,respectively; and exhaust steam pipes of the air-cooledcoal-fired power generation technologies and apply the high-level layout technology to the advanced air-cooled

Keywords： ultra-supercritical     advanced coal-fired power     air-cooled steam turbine generator unit     high-level layout    

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Title Author Date Type Operation

Performance design of a cryogenic air separation unit for variable working conditions using the lumped

Jinghua XU, Tiantian WANG, Qianyong CHEN, Shuyou ZHANG, Jianrong TAN

Journal Article

Exergy and exergoeconomic analyses for integration of aromatics separation with aromatics upgrading

Journal Article

Stormwater treatment: examples of computational fluid dynamics modeling

Gaoxiang YING, John SANSALONE, Srikanth PATHAPATI, Giuseppina GAROFALO, Marco MAGLIONICO, Andrea BOLOGNESI, Alessandro ARTINA

Journal Article

Evaluation of the influence of El Niño–Southern Oscillation on air quality in southern China from long-term

Journal Article

Experimental investigation on oil-gas separator of air-conditioning systems

Dianbo XIN,Shuliang HUANG,Song YIN,Yuping DENG,Wenqiang ZHANG

Journal Article

Zinc Air Fuel Cell Power Station

Zhu Mei,Xu Xianzhi,Su Run

Journal Article

A solution to stochastic unit commitment problem for a wind-thermal system coordination

B. SARAVANAN,Shreya MISHRA,Debrupa NAG

Journal Article

Solving unit commitment problem using a novel version of harmony search algorithm

Roozbeh MORSALI,Tohid JAFARI,Amirhossein GHODS,Mohammad KARIMI

Journal Article

A solution to the unit commitment problem—a review

B. SARAVANAN, Siddharth DAS, Surbhi SIKRI, D. P. KOTHARI

Journal Article

Energy saving design of the machining unit of hobbing machine tool with integrated optimization

Journal Article

Continuous-Flow Synthesis of the Nucleobase Unit of Remdesivir

Yongxing Guo, Minjie Liu, Meifen Jiang, Yuan Tao, Dang Cheng, Fen-Er Chen

Journal Article

Phase separation in cGAS-STING signaling

Journal Article

Low crosstalk switch unit for dense piezoelectric sensor networks

Lei QIU, Shenfang YUAN,

Journal Article

Ensemble unit and AI techniques for prediction of rock strain

Pradeep T; Pijush SAMUI; Navid KARDANI; Panagiotis G ASTERIS

Journal Article

High-Level Layout Technology and Engineering Application for Advanced Air-Cooled Ultra-SupercriticalSteam-Turbine Generator Unit

Wang Shumin, Zhang Yi, Xu Lu, Li Yanbing, Gu Yongzheng, Zhuo Hua, Sun Rui, Zhang Manping, Jiang Shihong, Liu Jianhai, Li Hongxing

Journal Article