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Effect of catalyst layer mesoscopic pore-morphology on cold start process of PEM fuel cells

Ahmed Mohmed DAFALLA, Fangming JIANG

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 460-472 doi: 10.1007/s11708-021-0733-4

Abstract: Water transport is of paramount importance to the cold start of proton exchange membrane fuel cells (Analysis of water transport in cathode catalyst layer (CCL) during cold start reveals the distinct characteristicsThis work studies the effect of CCL mesoscopic pore-morphology on PEMFC cold start.start.For the sake of better cold start performance, novel preparation methods, which can create catalyst layers

Keywords： cold start     energy conversion     fuel cells     mesoscale morphology     tortuosity     water management    

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An Experimental Investigation on Low Load Combustion Stability and Cold-Firing Capacity of a Gasoline Article

Lei Zhou, Jianxiong Hua, Haiqiao Wei, Yiyong Han

Engineering 2019, Volume 5, Issue 3,   Pages 558-567 doi: 10.1016/j.eng.2018.12.010

Abstract: However, low load combustion stability and firing in cold-start operations are two major challenges forThe objective of this work is to study effective methods to achieve GCI engine cold start-up.work combines NVO, in-cylinder fuel reforming, and intake preheating to achieve quick firing under cold-startassisted technical method, such as intake preheating, is required to ignite the first firing cycle for a cold-startcould stably operate without further intake preheating; thus, this method is appropriate for engine cold-start

Keywords： Gasoline compression ignition     Cold start     Warm-up condition     Fuel-injection strategy     Combustion stability    

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HHT-based crack identification method for start-up rotor

Bing LI, Chunlin ZHANG, Zhengjia HE

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 300-304 doi: 10.1007/s11465-012-0328-1

Abstract:

This paper presents a crack identification method for start-up rotor based on the Hilbert-Huang transformHHT is employed to detect the shallower crack, and is then tested during the start-up process of the

Keywords： cracked rotor     start-up     Hilbert-Huang transform (HHT)    

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Hydrogen-Powered Trains Start to Roll

Chris Palmer

Engineering 2022, Volume 11, Issue 4,   Pages 9-11 doi: 10.1016/j.eng.2022.02.003

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review on technologies with electricity generation potentials using liquified natural gas regasification cold

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 332-379 doi: 10.1007/s11708-023-0863-y

Abstract: scenarios, the effective and efficient utilization of the liquified natural gas (LNG) regasification cold

Keywords： liquified natural gas     cold energy     power generation    

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Optimization of cold-end system of thermal power plants based on entropy generation minimization

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 956-972 doi: 10.1007/s11708-021-0785-5

Abstract: Cold-end systems are heat sinks of thermal power cycles, which have an essential effect on the overallHowever, little attention has been paid to the optimization of the cold-end system with multi-pressureThe results show that the entropy generation rate of the multi-pressure cold-end system is less thanthat of the single-pressure cold-end system when the total condenser area is constant.quadruple-pressure cold-end systems are 575 and 580 k$/a, respectively.

Keywords： cold-end system     entropy generation minimization     optimization     economic analysis     genetic algorithm    

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Current understanding and applications of the cold sintering process

Tong Yu, Jiang Cheng, Lu Li, Benshuang Sun, Xujin Bao, Hongtao Zhang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 654-664 doi: 10.1007/s11705-019-1832-1

Abstract: To overcome these drawbacks, a novel processing technique called “cold sintering process (CSP)” has been

Keywords： cold sintering process     processing variables     solid-state rechargeable batteries    

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Start-ups Seek to Accelerate Path to Nuclear Fusion

Mitch Leslie

Engineering 2022, Volume 8, Issue 1,   Pages 6-8 doi: 10.1016/j.eng.2021.11.006

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Application of cold spraying for flux-free brazing of aluminium alloy 6060

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 256-260 doi: 10.1007/s11465-010-0095-9

Abstract: In the present study, samples of aluminium alloy 6060 were coated by cold spraying with a powder of brazingThe results show that the brazing alloy Al12Si could be very well deposited on the substrate by coldmetallurgical bond between the Al12Si coatings and the substrate could be realized by the deposition using cold

Keywords： aluminium alloy     flux-free brazing     cold spraying     shear strength    

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A fully solid-state cold thermal energy storage device for car seats using shape-memory alloys

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 504-515 doi: 10.1007/s11708-022-0855-3

Abstract: Considering these characteristics, the design of the shape-memory alloy based the cold thermal energyprecooling car seat application is introduced in this paper based on the proposed shape-memory alloy-based coldelastocaloric materials, and the shape-memory alloy geometry scheme on the performance of car seat coldhopefully the proposed concept can promote the development of more promising shape-memory alloy-based cold

Keywords： shape-memory alloy (SMA)     elastocaloric effect (eCE)     cooled seat     cold thermal energy storage    

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Tracking in urban wastewater treatment plants in a cold region: Occurrence, species and infectivity

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1533-8

Abstract:

• Cryptosporidium in WWTPs in a cold region was investigated

Keywords： WWTPs     Cryptosporidium     Occurrence     Species     Infectivity     Low temperature    

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Survey of thermal comfort in residential buildings under natural conditions in hot humid and cold wet

Changhai PENG

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 503-511 doi: 10.1007/s11709-010-0095-1

Abstract: These, however, are often difficult to comply with, particularly in hot humid and cold wet seasons inFurther, the variation of people’s hot or cold sensations is in proportion to that of air movement, andThe range of acceptable temperatures in hot humid and cold wet Nanjing is between 14.14°C and 29.42°C

Keywords： thermal comfort     naturally conditioned     hot humid     cold wet     Nanjing    

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A critical literature review of bioretention research for stormwater management in cold climate and future

Hannah Kratky, Zhan Li, Yijun Chen, Chengjin Wang, Xiangfei Li, Tong Yu

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0982-y

Abstract: warm climate applications, but data strongly supporting their long-term efficacy and application in coldAlthough it is apparent that bioretention is an effective stormwater management system, its design in coldExisting cold climate research has shown that coarser media is required to prevent concrete frost fromAdditionally, contaminants that are removed via filtration are also not impacted by cold climates.

Keywords： Bioretention     Cold climate     Low impact development     Stormwater    

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Fabrication of form stable NaCl-Al2O3 composite for thermal energy storage by cold sintering process

Bilyaminu Suleiman, Qinghua Yu, Yulong Ding, Yongliang Li

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 727-735 doi: 10.1007/s11705-019-1823-2

Abstract: NaCl-Al O (50-50 wt-%) composite material for high temperature thermal energy storage was fabricated by coldOverall, cold sintering process has the potential to be an efficient, safe and cost-effective strategy

Keywords： cold sintering process     composite fabrication     thermal energy storage     phase change materials    

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Optimization of turbine cold-end system based on BP neural network and genetic algorithm

Chang CHEN,Danmei XIE,Yangheng XIONG,Hengliang ZHANG

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 459-463 doi: 10.1007/s11708-014-0335-5

Abstract: The operation condition of the cold-end system of a steam turbine has a direct impact on the economyMany factors influence the cold-end operation of a steam turbine; therefore, the operation mode needsThe optimization analysis of a 1000 MW ultra-supercritical (USC) unit, the turbine cold-end system, was

Keywords： optimization     turbine     cold-end system     BP neural network     genetic algorithm    

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Title Author Date Type Operation

Effect of catalyst layer mesoscopic pore-morphology on cold start process of PEM fuel cells

Ahmed Mohmed DAFALLA, Fangming JIANG

Journal Article

An Experimental Investigation on Low Load Combustion Stability and Cold-Firing Capacity of a Gasoline

Lei Zhou, Jianxiong Hua, Haiqiao Wei, Yiyong Han

Journal Article

HHT-based crack identification method for start-up rotor

Bing LI, Chunlin ZHANG, Zhengjia HE

Journal Article

Hydrogen-Powered Trains Start to Roll

Chris Palmer

Journal Article

review on technologies with electricity generation potentials using liquified natural gas regasification cold

Journal Article

Optimization of cold-end system of thermal power plants based on entropy generation minimization

Journal Article

Current understanding and applications of the cold sintering process

Tong Yu, Jiang Cheng, Lu Li, Benshuang Sun, Xujin Bao, Hongtao Zhang

Journal Article

Start-ups Seek to Accelerate Path to Nuclear Fusion

Mitch Leslie

Journal Article

Application of cold spraying for flux-free brazing of aluminium alloy 6060

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA,

Journal Article

A fully solid-state cold thermal energy storage device for car seats using shape-memory alloys

Journal Article

Tracking in urban wastewater treatment plants in a cold region: Occurrence, species and infectivity

Journal Article

Survey of thermal comfort in residential buildings under natural conditions in hot humid and cold wet

Changhai PENG

Journal Article

A critical literature review of bioretention research for stormwater management in cold climate and future

Hannah Kratky, Zhan Li, Yijun Chen, Chengjin Wang, Xiangfei Li, Tong Yu

Journal Article

Fabrication of form stable NaCl-Al2O3 composite for thermal energy storage by cold sintering process

Bilyaminu Suleiman, Qinghua Yu, Yulong Ding, Yongliang Li

Journal Article

Optimization of turbine cold-end system based on BP neural network and genetic algorithm

Chang CHEN,Danmei XIE,Yangheng XIONG,Hengliang ZHANG

Journal Article