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Yang, Li
- Wind Environment in Green Building Design
Abstract Views :247 |
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Authors
Affiliations
1 College of Architecture & Urban Planning, Tongji University, Key Laboratory of Ecology and Energy Saving Study of Dense Habitat (Tongji University), Ministry of Education, Shanghai, CN
1 College of Architecture & Urban Planning, Tongji University, Key Laboratory of Ecology and Energy Saving Study of Dense Habitat (Tongji University), Ministry of Education, Shanghai, CN
Source
Nature Environment and Pollution Technology, Vol 14, No 4 (2015), Pagination: 833-838Abstract
With the increasing urban building density, wind environment problems around the buildings become more and more serious. Wind environment not only affects human living comfort, but also closely relates to their security and health. So, it is important to study the wind environment to improve it in the building planning and design and it is also an important part of making a reasonable evaluation of wind environment in green building design. In the current study, wind tunnel test and numerical simulation of computer technology are considered as an effective means of simulation and validation of environment.Keywords
Wind Environment, Wind Tunnel Test, Numerical Simulation, Energy Saving.References
- Emil, S. and Robert, H.S. 1995. The Wind Effects on Structures: An Introduction to Wind Engineering. John Wiley.
- Gao, Y.F. and Meng, Q.L. 2003. A kind of ecological architectural technology-natural draft. Ecological Science, 22(1).
- Gong, B., Yu, N. Y. and Wang, L. 2004. Strategy format and simulation analysis of natural draft. Refrigeration & Air-Conditioning, 3.
- Gong, G. C., Li, H. X. and Li, Y. G. 2003. Application and researches of natural ventilation. Building Energy and Environment, 4.
- Guan, R. B. and Ma, G. X. 1995. Building design and wind environment. Journal of Architecture, 110.
- Huang, C. H. and Wang, H. Q. 2001. The computer simulation researches of building inner and outdoor wind environment. Chinese and Overseas Architecture, 3: 79-80.
- Huang, P., Shi, Z.C. and Chen, W. 2001. Simulation method and measuring technology of atmospheric boundary layer. Journal of Tongji University: Natural Science Edition, 1: 44-48.
- Li, Hui-zhi 1999. Wind tunnel modeling of building wind environment. Journal of North China Institute of Water Convercanvy and Hydroelectric Power, 3: 32-34.
- Liu, H. Z. and Jiang, Y. J. 2005. Researches on urban high-rise building groups wind environment. Science in China Series D Earth Sciences, 35: 84-91.
- Liu, X. H. 2004. From natural ventilation to a diverse ecological construction system. Journal of Wuhan University of Hydraulic and Electric Engineering, 37(2): 129-133.
- Tang, S.Y., Chen, S.F. and Tang, J.C. 2004. Numerical simulation of wind pressures on adjacent tall buildings. Chinese Journal of Computational Mechanics, 2: 32-36.
- Wang, C., Wang, L.M., Shi, L. B. and Ni, Y. X. 2007. A survey on wind power technologies in power system. Power Engineering Society General Meeting, IEEE, June: 1-6.
- Wang, H., Chen, S. F. and Tang, J. C. 2006. Numerical simulation and analysis of wind environment around building complex. Mechanics and Practice, 28(1): 14-18.
- Wang, Y. C. and Wu, W. Q. 2004. Numerical modeling of flow about several shapes of buildings. Journal of University of Shanghai for Science and Technology, 26(1): 19-23.
- Yang, L. 2010. Computational fluid dynamics technology and its application in wind environment analysis. Journal of Urban Technology, 17(3): 53-67.
- Yang, L. 2013. Research of urban thermal environment based on digital technologies. Nature Environment and Pollution Technology, 12(4): 645-650.
- Yang, L. 2013. Research on building wind environment based on the compare of wind tunnel experiments and numerical simulations. Nature Environment and Pollution Technology, 12(3): 375-382.
- Yang, L., He, B.J. and Ye, M. 2014. Application research of ECOTECT in residential estate planning. Energy and Buildings, 72: 195-202.
- Yang, L., He, B.J. and Ye, M. 2014. The application of solar technologies in building energy efficiency: BISE design in solar-powered residential buildings. Technology in Society, 1-8.
- Yang, L., Ye, M. and He, B.J. 2014. CFD simulation research on residential indoor air quality. Science of the Total Environment, 472: 1137-1144.
- Zhang, B. Y., Sang, J. G. and Wu, G. C. 2004. Application of areodynamic in the architectural wind environment simulation studies of wind environment. Mechanics and Practice, 26(3): 1-9.
- Zhao, B., Lin, B. R., Li, X. T. and Jiang, Y. 2002. The numerical simulation optimization design of building groups’ wind environment. Urban Planning Forum, 2: 57-61.
- Zhou, L. and Xi, G. 2001. Numerical analysis of the wind field on high buildings. Journal of Xi’an Jiao Tong University, 5: 33-36.
- Natural Ventilation Environment Strategy in Green Building Design
Abstract Views :110 |
PDF Views:1
Authors
Affiliations
1 Key Laboratory of Ecology and Energy Saving Study of Dense Habitat (Tongji University), Ministry of Education, Shanghai, CN
2 College of Architecture & Urban Planning, Tongji University, Shanghai, CN
1 Key Laboratory of Ecology and Energy Saving Study of Dense Habitat (Tongji University), Ministry of Education, Shanghai, CN
2 College of Architecture & Urban Planning, Tongji University, Shanghai, CN
Source
Nature Environment and Pollution Technology, Vol 15, No 1 (2016), Pagination: 129-134Abstract
As energy consumption increases and the energy crisis gets worse, environmental pressure for efficient alternatives is growing. The advantages that the natural ventilation strategy has in reducing building energy consumption and improving the indoor environment conditions have become more obvious. Compared to mechanical ventilation or air-conditioning system, there is more potential in the natural ventilation method providing better indoor air quality, while maintaining a healthy and comfortable indoor thermal environment. Based on the principles of stack ventilation, natural ventilation is divided into wind pressure ventilation, thermal pressure ventilation, ventilation under the action of thermal pressure and wind pressure simultaneously and mechanical-assisted natural ventilation. The ventilation principles are respectively described with examples in this article.Keywords
Green Building Design, Natural Ventilation, Energy Consumption.- Research on Building Wind Environment Based on the Comparison of Wind Tunnel Experiments and Numerical Simulations
Abstract Views :160 |
PDF Views:0
Authors
Li Yang
1
Affiliations
1 College of Architecture & Urban Planning, Tongji University, Institute for Advanced Study in Architecture and Urban Planning, Key Laboratory of Ecology and Energy Saving Study of Dense Habitat (Tongji University), Ministry of Education, Shanghai, CN
1 College of Architecture & Urban Planning, Tongji University, Institute for Advanced Study in Architecture and Urban Planning, Key Laboratory of Ecology and Energy Saving Study of Dense Habitat (Tongji University), Ministry of Education, Shanghai, CN
Source
Nature Environment and Pollution Technology, Vol 12, No 3 (2013), Pagination: 375-382Abstract
With the continuous development of computer, computer numerical simulation is widely applied. In this paper, a combination of experimental and theoretical analysis, wind tunnel experiments and numerical simulation results are compared. It is anchored to the architectural wind environmental studies, explored the relationship between the environment and the building and the role of the environment on the building development, and the impact of the wind environment on the architectural design and the structural design, in order to restore the positive interactions between the environment and the building, and lay the foundation for the road to the sustainable development of the building.Keywords
Wind Tunnel Experiment, Numerical Simulation, Atmospheric Boundary Layer, Wind Load, Wind Environment.- Research of Urban Thermal Environment Based on Digital Technologies
Abstract Views :152 |
PDF Views:0
Authors
Li Yang
1
Affiliations
1 College of Architecture & Urban Planning, Tongji University, Institute for Advanced Study in Architecture and Urban Planning, Key Laboratory of Ecology and Energy Saving Study of Dense Habitat (Tongji University), Ministry of Education, Shanghai, 200092, CN
1 College of Architecture & Urban Planning, Tongji University, Institute for Advanced Study in Architecture and Urban Planning, Key Laboratory of Ecology and Energy Saving Study of Dense Habitat (Tongji University), Ministry of Education, Shanghai, 200092, CN
Source
Nature Environment and Pollution Technology, Vol 12, No 4 (2013), Pagination: 645-650Abstract
Digital simulation is a fast, effective and economical research method. Compared to traditional research method, it can not only save a lot of manpower and material resources but also can fill the blank of traditional research. In this research, we simulate Shanghai's thermal environment in July under typical afternoon working conditions by the comprehensive application of Ecotect software and CFD software. The research enhances our understanding of the distribution and cause of "urban heat island effect", and the climatic factors (wind velocity, temperature, solar radiation, atmospheric pressure, etc.) that are closely related to urban thermal environment.Keywords
Urban Thermal Environment, Heat Island, Digital Technologies, Digital Simulation.- The Research on the Ecological Environment of Green Building
Abstract Views :119 |
PDF Views:0
Authors
Affiliations
1 College of Architecture & Urban Planning, Tongji University, Shanghai, CN
1 College of Architecture & Urban Planning, Tongji University, Shanghai, CN
Source
Nature Environment and Pollution Technology, Vol 16, No 4 (2017), Pagination: 1149-1156Abstract
Increasing emphasis has been placed on the concern of buildings’ effects on the wind, making it an essential aspect in considering the surrounding environment. It has a profound influence on aspects such as pedestrian’s comfort, safety, natural ventilation, and reducing building energy consumption. Outdoor wind environment is related to natural and artificial geographical features, and the wind direction, which all play an important role in the user comfort in and around a building. The prediction from the simulation of the wind environment can guide the layout of the buildings to enhance the wind environment effectively. The research looks at a block of land in the new district of Yuexi County. By using the wind environment simulation software Fluent, the research explores the prediction of wind environment for the building, as well as possible methods of analysis, designing process and the influence brought by the large-scale project. It supplies reference to enhance the wind environment of buildings in the designing process for both planners and architects to create a more enjoyable and safe building environment.Keywords
Ecological Wind Environment, CFD Technology, Green Building.- Ecological Environment Governance in Mining Areas in the Process of Urbanization based on Fuzzy Comprehensive Evaluation
Abstract Views :153 |
PDF Views:0
Authors
Affiliations
1 School of Business, Hohai University, Nanjing 211 100, CN
2 School of Public Administration, Hohai University, Nanjing 211 100, CN
3 Poyang Lake Eco-economic Research Center, Jiujiang University, Jiujiang 332 005, CN
1 School of Business, Hohai University, Nanjing 211 100, CN
2 School of Public Administration, Hohai University, Nanjing 211 100, CN
3 Poyang Lake Eco-economic Research Center, Jiujiang University, Jiujiang 332 005, CN
Source
Journal of Mines, Metals and Fuels, Vol 65, No 12 (2017), Pagination: 749-756Abstract
This paper studies the situation of the ecological environmental governance in mining areas. By selecting indices from the perspectives of economic, ecological and social efficiencies, this paper establishes a comprehensive efficiency evaluation index system for the ecological environment governance in mining areas in the process of urbanization. Based on the index weights determined, this paper applies the fuzzy comprehensive evaluation model to perform empirical analysis on Xuzhou mining area as a whole. According to the analysis results, the comprehensive efficiency of ecological environment governance in the mining area has a total score of 77.8545, which is rated as "medium" and is developing towards "good", indicating that the environmental governance has gained some comprehensive efficiencies but still needs to be improved.Keywords
Ecological Environment of Mining Areas, Fuzzy Comprehensive Evaluation, Governance Efficiencies, Urbanization.- Study on generation capacity of small hydropower stations in distribution network
Abstract Views :69 |
PDF Views:0
Authors
Source
Indian Journal of Power and River Valley Development, Vol 71, No 1 & 2 (2021), Pagination: 5 - 10Abstract
no abstractKeywords
Small hydropower station, current protection, generation capacity, PSCAD/EMTDCReferences
- Yun Lu; Bo Gao (2014): Analysis of Distribution Network Fault and Protection Range with Distributed Power Supply, Journal of Shanghai University of Electric Power, Vol. 30. pp511-514.
- Fuhua Jiang; Xiaozhong Du (2004): China’s small hydropower development status and problems, China Rural Water and Hydropower, Vol. 1. pp82-86..
- Peng Xue (2014): The main problems and solutions of the improvement and expansion of small and medium hydropower stations, China rural water power and hydropower, Vol.1.pp133-136.
- Ming Zhao; Haiqing Yan; Xiaohong Liu (2014): Study on Rural Distribution Network Protection Algorithm with Distributed Power Supply, China Rural Water and Hydropower, Vol. 1. pp172-179.
- Chao Zhang; Jianren Ji (2006): Influence of distributed generation on feeder protection of distribution network, Relays, Vol. 34. pp9-12, [6] Limin Huo (2008): Power System Relay Protection.
- Beijing: China Electric Power Press..
- Wang Jianghai (2010): Study on the Access Capacity of Distributed Power Supply Considering Relay Protection in Distribution Network, Proceeding of the CSEE, Vol.30. pp37-43..
- Lulu Chen (2014): Distribution network protection scheme with distributed power suppl, Nanjing: Nanjing
- University of Science and Technology.
- Fanghong Wang (2011): Study on relay protection of small hydropower grid-connected distribution network, Hangzhou: Zhejiang University .