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1. Optimization of the architectural design for natural ventilation in residences using CFD | |||
Jin Ming ,Li Baizhan | |||
Civil and Architectural Engineering 24 June 2010 | |||
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Abstract:In order to achieve more efficient natural ventilation and better indoor environment in residences, this paper utilizes numerical simulation to explore the optimization of residential architecture design. In case study, the natural ventilation efficiency of a residence in Chongqing is evaluated by quantitatively analyzing the fields of air velocity and PMV from CFD simulations results, which are validated by field measurements. The analysis shows that the natural ventilation is efficient in the living room, but inefficient in some other rooms. In view of this, some feasible alternative configurations without major changes in the building structures have been studied, including different styles of windows and door positions. It is found that the optimized design could improve the indoor environment by reducing the dead zone and increasing thermal comfort zone. Finally, some architectural design suggestions on the doors and windows in natural ventilated residences are put forward. | |||
TO cite this article:Jin Ming ,Li Baizhan . Optimization of the architectural design for natural ventilation in residences using CFD[OL].[24 June 2010] http://en.paper.edu.cn/en_releasepaper/content/4377002 |
2. Adsorption of Nickel on Chinese Loess in Aqueous Solution | |||
WANG Yan,TANG Xiaowu,HE Xi | |||
Civil and Architectural Engineering 13 May 2010 | |||
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Abstract:Nickel is a trace element that has severe toxic effect to living organisms. The loess soil from Chinese Loess Plateau was investigated to remove Ni(II) from aqueous solution. Batch tests were carried out and the appropriate loess dosage was determined to be 10 g L-1. The Freundlich model was found better to describe Ni(II) adsorption on loess soil than the Langmuir model. The adsorption capacity of loess soil towards Ni(II) was 16.71 mg g-1, and loess is a potential appealing adsorbent for removing heavy metals. Clay minerals and organic matter both play important roles in removing Ni(II) from aqueous solution. | |||
TO cite this article:WANG Yan,TANG Xiaowu,HE Xi. Adsorption of Nickel on Chinese Loess in Aqueous Solution[OL].[13 May 2010] http://en.paper.edu.cn/en_releasepaper/content/4372234 |
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