Projects
The Building Performance Simulation Lab is involved in a variety of projects ranging from traditional building system emulation to most nascent fields like human behaviour and big data analysis on city scale. Here you may learn about the strengths of our group and the techniques equiped to dig into the cutting-edge issues. Key research areas of the Building Performance Simulation Lab include: Building performance simulation & mechanical system emulation; Load Leveling & Distributed Energy System; Human Behaviour in Building Operation; City-scale big data analysis & Energy management system. The Building Performance Simulation Lab at Tonji University also colllaborates with many research institutions and groups as well as industry partners. Here we brief some of our projects attached with documents for reference.
Automatic simplified BIM generation based on CAD drawings
Currently in the AEC market of China, most of the design projects are documented in the form of 2D-drawings, which impedes the paradigm shift towards BIM-based construction. This project aims at developing an automatic building information model generatio Currently in the AEC market of China, most of the design projects are documented in the form of 2D-drawings, which impedes the paradigm shift towards BIM-based construction. This project aims at developing an automatic building information model generation software based on CAD drawings. Such tool will help with the BIM-BEM model transformation process to faciliate the HVAC system design automa... +
2020-10 EndedEnergy retrofit analysis - Wenyuan Building in Tongji University
No information available No information availabl +
2021-12 EndedEnergy simulation - Shanghai Expo Center
This project aims to model shanghai expo center according to leed credit ea1for labeling. This project aims to model shanghai expo center according to leed credit ea1for labeling +
2021-12 EndedLoad estimation of West Hongqiao Business District in Shanghai
Load estimation is one fundamental work to energy system configuration and operation scheme. relative topics are installed capacity, power system, piping network, investment, utilization and operational cost. in this project we apply scenario analysis to Load estimation is one fundamental work to energy system configuration and operation scheme. relative topics are installed capacity, power system, piping network, investment, utilization and operational cost. in this project we apply scenario analysis to evaluate the time series load profile of district building blocks in west hongqiao business district, considering various building types, load... +
2021-12 EndedResearch on methodology optimizing community energy capacity
Commissioned by arup, our group has accomplished the project in cooperation with shanghai research institute of building science and shenzhen institute of building research. the project aims to establish methods optimizing community energy system’s capaci Commissioned by arup, our group has accomplished the project in cooperation with shanghai research institute of building science and shenzhen institute of building research. the project aims to establish methods optimizing community energy system’s capacity, based on a bottom-up district energy model composed by calibrated prototypes of all kinds of buildings. the data for calibration are from... +
2021-12 EndedEditing guidelines on standard BPS
Initiated by china green building council, the project aims to nail down key methods and standard procedures to regulate the bps industry, including simulations on building energy, microclimate environment, visual-audio and light effects. our research gro Initiated by china green building council, the project aims to nail down key methods and standard procedures to regulate the bps industry, including simulations on building energy, microclimate environment, visual-audio and light effects. our research group are mainly responsible for compiling guidelines on building energy simulation +
2021-12 EndedDevelopment of simulation based UPPC system
The project yields a suit of uppc (ultra performing plant control) control system based on simulation models, aiming at increasing the overall cop of the plant. achievements of the project have been tested in several building refurbishment tasks The project yields a suit of uppc (ultra performing plant control) control system based on simulation models, aiming at increasing the overall cop of the plant. achievements of the project have been tested in several building refurbishment task +
2021-12 EndedCenter of Excellence for Green Building – A Building Automation Systems Test Bed
The experimental research on performance assessment of hvac control strategies consumes a great deal of cost and labor; besides, the study objects are normally fixed. meanwhile, no single building performance simulation tool offers sufficient capabilities The experimental research on performance assessment of hvac control strategies consumes a great deal of cost and labor; besides, the study objects are normally fixed. meanwhile, no single building performance simulation tool offers sufficient capabilities and flexibilities to accommodate the ever increasing complexity and rapid innovations in control systems and technologies. therefore, it is n... +
2021-12 EndedResearch on indoor air quality in office building with variable air volumn system
Two modern office buildings similar in size and function in shanghai with typical vav system are selected as research objects. four separate spaces facing different directions (south, east, north and west) on one standard office floor in each building are Two modern office buildings similar in size and function in shanghai with typical vav system are selected as research objects. four separate spaces facing different directions (south, east, north and west) on one standard office floor in each building are selected to do site measurement on outdoor air flow rates and indoor air quality during typical days of four seasons (summer, autumn, winter,... +
2021-12 Ended
Energy saving potentials of hotel terminal management system
Energy saving, especially automatic room-level management may enlarge the margin profit running the hotel business. this project aims to establish a universal, fast and robust model to analyze the energy saving potential of hotel buildings equipped with t Energy saving, especially automatic room-level management may enlarge the margin profit running the hotel business. this project aims to establish a universal, fast and robust model to analyze the energy saving potential of hotel buildings equipped with terminal management system, thus acquiring basic knowledge about returns on investment, during bidding process. the research was performed based on the actual operation data of 2 hotels. we used the markov chain method and a monte-carlo stochastic model to simulate the occupancy and set-point adjustment. resulting software may inform the operators of energy saving improvement. - +
2016-03 EndedEnergy simulation - Microsoft Zi Zhu Campus
This project performs the whole building energy analysis for design proposed options for the two office buildings in microsoft zi zhu campus. the design proposed options are compared to an ashrae 90.1-2004 compliant budget model to highlight energy saving This project performs the whole building energy analysis for design proposed options for the two office buildings in microsoft zi zhu campus. the design proposed options are compared to an ashrae 90.1-2004 compliant budget model to highlight energy savings versus “standard practice” and show the potential leedtm credit ea1 – optimize energy performance. meanwhile, they are also compared to c... +
2021-12 EndedLoad and CFD analysis of Shanghai Hongqiao Railway Station Departure Lounge
None None +
2021-12 EndedWindow opening feasibility of Shanghai Futures Tower
No information available No information availabl +
2021-12 EndedBuilding energy consumption in China under global climate change
Climate change would affect the building energy demand in the future. building simulation is a feasible way to quantitatively evaluate this impact. based on the long/short-term climate periodicity analysis, a dual-periodic time series model is established Climate change would affect the building energy demand in the future. building simulation is a feasible way to quantitatively evaluate this impact. based on the long/short-term climate periodicity analysis, a dual-periodic time series model is established to predict the future monthly temperatures in shanghai. from the fitting results and the preliminary assessment analysis, it is observed that... +
2021-12 EndedDevelopment of Methods and Tools to Evaluate the Building Energy Efficiency
Client: china academy of building research this project offers an universal building energy forecasting modeling method based on time series analysis and pysical principle enriched data driven model. various commercial buildings are tested. Client: china academy of building research this project offers an universal building energy forecasting modeling method based on time series analysis and pysical principle enriched data driven model. various commercial buildings are tested. +
2021-12 EndedEnergy Efficient Lighting for Buildings
After 2 years’ work, a test bed with intelligent dali control system and energy efficient illuminating devices are set up in tongji university. supported by osram germany financially, this project aims to test the performance of osram’s dali control syste After 2 years’ work, a test bed with intelligent dali control system and energy efficient illuminating devices are set up in tongji university. supported by osram germany financially, this project aims to test the performance of osram’s dali control systems in offices. on basis of daylighting usage analysis of an office, the test bed is carefully designed. the lamps are divided into 4 groups,... +
2021-12 EndedEnergy Efficiency technologies applicable for smart buildings in China
This project is going to study the status quo of new buildings and exiting buildings in china and the applicable energy efficiency technologies in the two types of buildings; a full list of these technologies will be made so that to know the overall picture of building energy efficiency industry in china. 1. survey of energy efficiency technologies in relation to smart buildings. the technologi... +
2021-12 EndedEditing guidelines on measurement of energy saving
The pamphlet *esco & building energy retrofits* has been published as the achievement of this project, in which we proposed practical methods for measurement and verification of energy saving under the circumstances of chinese industry, based on gb/t 2875 The pamphlet *esco & building energy retrofits* has been published as the achievement of this project, in which we proposed practical methods for measurement and verification of energy saving under the circumstances of chinese industry, based on gb/t 28750-2012 of china and foreign guidelines such as ipmvp and ashrae guideline14. abundant cases may act as references for energy management contra... +
2021-12 EndedPilot on the Application of EnergyPlus in Building Energy Simulation
The research was supported by kaichuang building-tech coperation in shanghai. focuses are: 1. dig into the input file of energyplus, which includes the parameters and their format, span, default, combination, as well as the restrictions to the mass and sh The research was supported by kaichuang building-tech coperation in shanghai. focuses are: 1. dig into the input file of energyplus, which includes the parameters and their format, span, default, combination, as well as the restrictions to the mass and shape of the simulated building. 2. detail analysis of the outputs. formats and variables definitions. 3. study the common mechanical systems ap... +
2021-12 Ended
GUI development for EnergyPlus
Visualeplus is a drag-and-drop graphic user interface for the building simulation engine energyplus, focusing on graphical modeling of hvac system, and analysis of output results, aiming to faciliate the data input procedure for common modellers. this pro Visualeplus is a drag-and-drop graphic user interface for the building simulation engine energyplus, focusing on graphical modeling of hvac system, and analysis of output results, aiming to faciliate the data input procedure for common modellers. this project was supported by the doe of america, and incorporated lbnl, tongji university, shangdong university, china academy of building research and whitebox technology. the latest version is visualeplus 2.0. to download the test version please check the enclosed files. +
2010-06 EndedExisting building energy saving retrofit policy research driven by contract energy management (CEM)
This project aims to study on m&v method of energy savings in cem projects so as to enhance the improvement of relative standards, regulations and policies in shanghai based on case studies, referring to ipmvp and ashrae guideline 14. it also aims to investigate the benefits sharing mode in large public building cem projects and to share experience in shanghai and other cities via training and ... +
2021-12 EndedResearch on energy demand prediction model and energy sensitive community formation
Load prediction advises energy planning from the view of end-users, but it lacks certainties during the initial stage of urban design. this project yielded practical methods to unite software simulation and data mining to estimate the load of building blo Load prediction advises energy planning from the view of end-users, but it lacks certainties during the initial stage of urban design. this project yielded practical methods to unite software simulation and data mining to estimate the load of building blocks, and developed excel-vba spread sheet prediction tools based on typical ‘load/area’ index database. community formation describes how bu... +
2021-12 EndedRoadmap to curb building carbon emissions in China
This research aims to estimate the ceiling of building carbon emissions in china, and draft on possible roadmap to restrict its increment. on one hand, the project includes lots of policy research to nail down several possible targets with top-down method This research aims to estimate the ceiling of building carbon emissions in china, and draft on possible roadmap to restrict its increment. on one hand, the project includes lots of policy research to nail down several possible targets with top-down method. and on the other hand, the project analyses the bottom-up energy models with different scenarios, to craft a practical roadmap supported by ... +
2021-12 EndedPressure balancing techniques in HVAC system of mega-tall buildings
Inlets and outlets of skyscrapers façade are usually affected by fluctuate wind pressure. when it gets positive the outlets may not exhaust air normally, and on the other hand, dedicated air system may not inhale properly. to ensure the robustness of oa & Inlets and outlets of skyscrapers façade are usually affected by fluctuate wind pressure. when it gets positive the outlets may not exhaust air normally, and on the other hand, dedicated air system may not inhale properly. to ensure the robustness of oa & ea system, fan parameters have to be tested through even the worst situations. meanwhile, how system will perform to keep a good indoor press... +
2021-12 EndedSIEMENS EEC-Tool Localization
The siemens building-tech department at zug, switzerland, developed the energy efficiency calculation tool (eec tool), and in this project, cooperated with tongji university to promote its localized version to the chinese market. during its localization, The siemens building-tech department at zug, switzerland, developed the energy efficiency calculation tool (eec tool), and in this project, cooperated with tongji university to promote its localized version to the chinese market. during its localization, our team offers weather data of main cities in china, thermal property of typical building constructions and various kinds of hvac equipments ... +
2021-12 EndedMethods of minimum variables set construction for building energy prediction
With a variety of factors for building energy consumption, the prediction accuracy largely depends on the data integrity of building basic information and measured energy consumption. in view of the fact that practical building energy performance related With a variety of factors for building energy consumption, the prediction accuracy largely depends on the data integrity of building basic information and measured energy consumption. in view of the fact that practical building energy performance related data are general lacking, how to sufficiently use limited available data to achieve reasonable and accurate building energy prediction? to ans... +
2020-01 EndedCommunity Morphology Evaluation Model Based on Interacted Microclimate and Building Energy
Urban/community morphology has become one of the hot research topics. however, the dynamic coupling mechanism between microclimate and building energy use inside communities is far from clear, and the relevant research about the impact of morphology facto Urban/community morphology has become one of the hot research topics. however, the dynamic coupling mechanism between microclimate and building energy use inside communities is far from clear, and the relevant research about the impact of morphology factors is not complete yet. there is an urgent need for an overall evaluation system of the urban/community morphology. based on the theory of urb... +
2018-12 EndedNatural ventilation analysis of Activity Center in Tongji University
No information available No information availabl +
2018-09 EndedDevelopment of a co-simulation model of occupant behavior, IAQ, and building energy
The project 'the development of a co-simulation model of occupant behavior, iaq, and building energy' is the subtask 2 of the kernel development of the whole building performance simulation platform (china national keyr&d plan) - The project 'the development of a co-simulation model of occupant behavior, iaq, and building energy' is the subtask 2 of the kernel development of the whole building performance simulation platform (china national keyr&d plan) +
2017-12 Ended