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A “Sequential Design of Simulations” approach for exploiting and calibrating discrete element simulations

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 874-885 doi: 10.1007/s11705-021-2131-1

Abstract: The flow behaviours of cohesive particles in the ring shear test were simulated and examined using discrete

Keywords： discrete element method     cohesive materials     parameter calibration     ring shear cell     design of experiments    

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A state-of-the-art review of solar passive building system for heating or cooling purpose

Arun Kumar NANDA,C K PANIGRAHI

Frontiers in Energy 2016, Volume 10, Issue 3,   Pages 347-354 doi: 10.1007/s11708-016-0403-0

Abstract: The major portion of energy in a building is consumed by heating, ventilating, and air-conditioning (The traditional heating and cooling systems contribute greatly to the emission of greenhouse gases, especiallyTrombe wall, solar chimney, unglazed transpired solar façade, and solar roof, are adopted for solar heatingTherefore, an attempt has been made in this paper to compile the developments of solar heating and cooling

Keywords： HVAC     heating     cooling     solar heating     carbon dioxide (CO2) emissions    

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Improving existing “reaching law” for better discrete control of seismically-excited building structures

Zhijun LI, Zichen DENG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 111-116 doi: 10.1007/s11709-009-0022-5

Abstract: In this paper, a novel “composite reaching law” was explained in details: 1) the equation of discretemotion for a control system; 2) the design of discrete-time variable structure control.the model of a three-storey shear-type building structure was used to verify the effectiveness of the discrete

Keywords： discrete-time variable structure control     composite reaching law     chattering effect     saturated control law    

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A district heating system based on absorption heat exchange with CHP systems

Lin FU, Yan LI, Yi JIANG, Shigang ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 77-83 doi: 10.1007/s11708-010-0022-0

Abstract: In order to decrease the energy consumption of large-scale district heating systems with cogeneration, a district heating system is presented in this paper based on absorption heat exchange in the cogenerationIn substations of the heating system, the temperature of return water of primary heat network is reducedCompared with traditional heating systems, this system runs with a greater circuit temperature drop soMoreover, by recovering the exhausted heat from the condensers, the capacity of the district heating

Keywords： cogeneration     district heating     absorption heat exchange     Co-ah cycle    

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An invariant descriptor for conjugate forced convection-conduction cooling of 3D protruding heaters in channel flow

Thiago ANTONINI ALVES,Paulo H. D. SANTOS,Murilo A. BARBUR

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 263-276 doi: 10.1007/s11465-015-0345-y

Abstract: each heater in the channel is quantified to clearly identify the contributions attributed to the self-heating

Keywords： channel flow     conjugate forced convection-conduction cooling     conjugate influence coefficients     discreteheating     invariant descriptor     thermal management    

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A dynamic model of mobile concrete pump boom based on discrete time transfer matrix method

Wu REN, Yunxin WU, Zhaowei ZHANG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 360-366 doi: 10.1007/s11465-013-0280-8

Abstract: A dynamics model of a mobile concrete pump boom is established based on discrete time transfer matrix

Keywords： multi-body     mobile concrete pump boom     discrete time transfer matrix method (DTTMM)     kinematic     dynamic     tip    

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Application of coupled multi-body dynamics–discrete element method for optimization of particle damper

Danhui DAN, Qianqing WANG, Jiongxin GONG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 244-252 doi: 10.1007/s11709-021-0696-x

Abstract: In this paper, a coupled multi-body dynamics–discrete element method is proposed to simulate the dampingThe analyses are done by combining the discrete element method in EDEM and multi-body dynamics in ADAMS

Keywords： granular material     vibration control     discrete element method     particle damper     cable vibration    

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Numerical simulation of billet heating

Chen Guanjun

Strategic Study of CAE 2010, Volume 12, Issue 2,   Pages 57-61

Abstract:

According to the case of billet heating in a regenerative type heatingThe relation of different thick billet and the heating time is simulated and studied, the result of simulationand the heating time in the actual heating furnace is compared, and the expressions of thickness andheating time is educed by numerical suit, and put into production.The above result of study can offer foundation for the establishment and optimizing of billet heating

Keywords： heating furnace     billet     heating     simulation    

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Impact of climate change on building heating energy consumption in Tianjin

Cao XIANG, Zhe TIAN

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 518-524 doi: 10.1007/s11708-013-0261-y

Abstract: This paper investigated the variation of building heating energy consumption caused by global warmingThe results showed that the 10-year-average heating energy consumption of 2001–2010 had reduced by 16.1%By conducting principal component analysis and regression analysis, future variation of building heatingFor B1/A1B emissions scenarios, the multi-year-average heating load was found to decrease by 9.7% (18.1%

Keywords： global warming     office building     heating energy consumption    

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Gained switching-based fuzzy sliding mode control for a discrete-time underactuated robotic system with

Hui LI, Ruiqin LI, Jianwei ZHANG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2,   Pages 353-362 doi: 10.1007/s11465-020-0620-4

Abstract: This study proposes a gained switching-based discrete-time sliding mode control method to address thechattering issue in disturbed discrete-time systems, which suffer from various unknown uncertainties

Keywords： sliding-mode control     robot control     discrete-time uncertain systems     fuzzy logic    

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Discrete-event stochastic systems with correlated inputs: Modeling and performance evaluation

Frontiers of Engineering Management 2022, Volume 9, Issue 2,   Pages 214-220 doi: 10.1007/s42524-022-0192-6

Abstract: In the majority of the previous works on discrete-event stochastic systems, they have been assumed toinput processes, and we discuss the difficulties and possible future research topics in the study of discrete-event

Keywords： discrete-event stochastic system     correlated input     performance evaluation    

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Energy efficiency and carbon dioxide emissions reduction opportunities in district heating source in

Gaofeng CHEN, Xuejing ZHENG, Lin CONG

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 285-295 doi: 10.1007/s11708-012-0197-7

Abstract: Tianjin Municipal Government is planning to establish an energy efficiency trading platform for district heatingThis paper presented an in-depth analysis of the district heating industry in Tianjin municipality, andSince energy efficiency was closely related to different heating source technologies, baselines werethe dataset and referring to the related standards, method of determining the baseline for district heating

Keywords： district heating     energy efficiency     baseline     carbon abatement    

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Higher heating value prediction of torrefaction char produced from non-woody biomass

Nitipong SOPONPONGPIPAT,Dussadeeporn SITTIKUL,Unchana SAE-UENG

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 461-471 doi: 10.1007/s11708-015-0377-3

Abstract: The higher heating value of five types of non-woody biomass and their torrefaction char was predictedanalysis data, the mass fraction of fixed carbon and volatile matter had a strong effect on the higher heatinganalysis data, the mass fraction of carbon, hydrogen, and oxygen had a strong effect on the higher heatingvalue, while no relationship between the higher heating value and mass fractions of nitrogen and sulfur

Keywords： higher heating value     correlation     biomass     proximate analysis     ultimate analysis    

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Operating characteristic analysis on the ultra-thin low temperature floor-heating system

Hualing ZHANG, Xiaopeng SONG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 127-132 doi: 10.1007/s11709-013-0200-3

Abstract: Prefabricated ultra-thin radiant heating panel, as a new heating terminal type, is becoming a highlightTo obtain these data, a heating system was set up in a duplex house in Chongqing.The test results show that the floor heating system could almost satisfy thermal comfort requirementwater temperature should be properly raised during the preheating period and lowered down in the steady heating

Keywords： ultra-thin floor heating panel     the preheating time     thermal comfort     energy saving    

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Water-level based discrete integrated dynamic control to regulate the flow for sewer-WWTP operation

Zhengsheng Lu, Moran Wang, Mingkai Zhang, Ji Li, Ying Xu, Hanchang Shi, Yanchen Liu, Xia Huang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1222-4

Abstract: A dynamic discrete control based on the water level was developed.This study aims to propose a multi-point integrated real-time control method based on discrete dynamic

Keywords： Sewer system     Integrated control     Discrete control     Water level    

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Title Author Date Type Operation

A “Sequential Design of Simulations” approach for exploiting and calibrating discrete element simulations

Journal Article

A state-of-the-art review of solar passive building system for heating or cooling purpose

Arun Kumar NANDA,C K PANIGRAHI

Journal Article

Improving existing “reaching law” for better discrete control of seismically-excited building structures

Zhijun LI, Zichen DENG

Journal Article

A district heating system based on absorption heat exchange with CHP systems

Lin FU, Yan LI, Yi JIANG, Shigang ZHANG,

Journal Article

An invariant descriptor for conjugate forced convection-conduction cooling of 3D protruding heaters in channel flow

Thiago ANTONINI ALVES,Paulo H. D. SANTOS,Murilo A. BARBUR

Journal Article

A dynamic model of mobile concrete pump boom based on discrete time transfer matrix method

Wu REN, Yunxin WU, Zhaowei ZHANG

Journal Article

Application of coupled multi-body dynamics–discrete element method for optimization of particle damper

Danhui DAN, Qianqing WANG, Jiongxin GONG

Journal Article

Numerical simulation of billet heating

Chen Guanjun

Journal Article

Impact of climate change on building heating energy consumption in Tianjin

Cao XIANG, Zhe TIAN

Journal Article

Gained switching-based fuzzy sliding mode control for a discrete-time underactuated robotic system with

Hui LI, Ruiqin LI, Jianwei ZHANG

Journal Article

Discrete-event stochastic systems with correlated inputs: Modeling and performance evaluation

Journal Article

Energy efficiency and carbon dioxide emissions reduction opportunities in district heating source in

Gaofeng CHEN, Xuejing ZHENG, Lin CONG

Journal Article

Higher heating value prediction of torrefaction char produced from non-woody biomass

Nitipong SOPONPONGPIPAT,Dussadeeporn SITTIKUL,Unchana SAE-UENG

Journal Article

Operating characteristic analysis on the ultra-thin low temperature floor-heating system

Hualing ZHANG, Xiaopeng SONG

Journal Article

Water-level based discrete integrated dynamic control to regulate the flow for sewer-WWTP operation

Zhengsheng Lu, Moran Wang, Mingkai Zhang, Ji Li, Ying Xu, Hanchang Shi, Yanchen Liu, Xia Huang

Journal Article