连之伟
空调系统节能与设备开发;热舒适及室内空气品质改善。
个性化签名
- 姓名:连之伟
- 目前身份:
- 担任导师情况:
- 学位:
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学术头衔:
博士生导师
- 职称:-
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学科领域:
制冷与低温工程
- 研究兴趣:空调系统节能与设备开发;热舒适及室内空气品质改善。
连之伟,男,1963年10月生,教授,博士生导师。1995年于西安交通大学获工学博士学位,2003年以客座教授身份在韩国KIER工作,2004年在美国马里兰大学(UMD-CEEE)作高级访问学者。现任上海交通大学空调研究室主任。兼全国高校建筑环境与设备工程学科专业指导委员会委员,上海市制冷学会理事,国际交流委员会副主任。“制冷空调与电力机械”、“供热空调”等期刊编委。曾任国际制冷学会空调专业委员会(IIR-E1)委员;中国制冷学会理事等职。
连之伟教授一直从事制冷工程和建筑环境与设备工程专业(原暖通空调专业)的教学、科研及工程设计工作。先后在空调房间下部送风机理、负荷、气流组织,热舒适,室内空气品质改善,建筑节能及热泵的应用等方面都做了较为深入的工作。主持了4项国家自然科学基金项目(2项在研),还主持有博士点基金及其它一些纵向、横向课题的研究。获有陕西省科技进步二等奖、陕西省建设厅科技进步二等奖、陕西省教学优秀成果一等奖及其它奖励。在国内外学术刊物及国际、国内会议上公开发表论文八十余篇,其中21篇被SCI或EI收录,多篇获得各类“优秀论文”奖。已获国家发明专利6项, 待批国家发明专利8项。出版专著和教材5部(含合著)。
所属学科:
制冷及低温工程Refrigeration & Cryogenics Engineering;
供热通风与空调工程Heating, ventilating & Air Conditioning Engineering
研究方向:
空调系统节能与设备开发Energy Efficiency of Air Conditioning System;
热舒适及室内空气品质改善Thermal Comfort & Indoor Air Quality
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主页访问
1306
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关注数
0
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成果阅读
164
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成果数
5
【期刊论文】A neural network evaluation model for individual thermal comfort
连之伟, Weiwei Liu, Zhiwei Lian*, Bo Zhao
Energy and Buildings 39(2007)1115-1122,-0001,():
-1年11月30日
An evaluation model for individual thermal comfort is presented based on the BP neural network. The train data came from a thermal comfort survey. The evaluation results of the model showed a good match with the subject’s real thermal sensation, which indicated that the model can be used to evaluate individual thermal comfort rightly. Taken a room air conditioner as an example, the application of the NNEM in creating a microenvironment for individual was discussed. The result showed that the NNEM can play an important role of connecting individual thermal comfort with the control on the air conditioner.
Thermal comfort, Neural network, Individual, Room air conditioner
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29浏览
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195下载
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【期刊论文】Data mining based sensor fault diagnosis and validation for building air conditioning system
连之伟, Zhijian Hou a, Zhiwei Lian a, *, Ye Yao a, Xinjian Yuan b
Energy Conversion and Management 47(2006)2479-2490,-0001,():
-1年11月30日
A strategy based on the data mining (DM) method is developed to detect and diagnose sensor faults based on the past running performance data in heating, ventilating and air conditioning (HVAC) systems, combining a rough set approach and an artificial neural network (ANN). The reduced information is used to develop classification rules and train the neural network to infer appropriate parameters. The differences between measured thermodynamic states and predicted states obtained from models for normal performance (residuals) are used as performance indices for sensor fault detection and diagnosis. Real test results from a real HVAC system show that only the temperature and humidity measurements of many air handling units (AHU) can work very well as the measurements to distinguish simultaneous temperature sensor faults of the supply chilled water (SCW) and return chilled water (RCW).
Heating, Ventilating and air conditioning, Sensor fault, Data mining, Rough set, Artificial neural network, Fault detection and diagnosis
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29浏览
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【期刊论文】Conception of combination of gas-engine-driven heat pump and water-loop heat pump system
连之伟, Zhiwei Lian a, *, Seong-ryong Park b, Wei Huang c, Young-jin Baik b, Ye Yao a
International Journal of Refrigeration 28(2005)810-819,-0001,():
-1年11月30日
Conception of combination of gas-engine-driven heat pump (GHP) and water-loop heat pump system (WLHPS) is firstly presented in the paper in order to reduce the energy consumption of air conditioning system further. Design of the new system is introduced through an actual project in China and compared with a conventional air-conditioning system (CACS) and conventional WLHPS (EHP-LHPS) in terms of technical characteristics and payback period. It is found that the payback period of GHP-WLHPS is about 2 years when compared with CACS and 2.6 years with EHP-WLHPS on the average. So it is worth being more widely applied. And several barrier to application are also discussed.
Air conditioning, China, Heat pump, Gas engine, Modelling, Hydraulic circuit, Comparison, Payback
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38浏览
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【期刊论文】Kinetic analysis of photocatalytic oxidation of gas-phase formaldehyde over titanium dioxide
连之伟, Liu Hongmin a, *, Lian Zhiwei a, Ye Xiaojiang a, Shangguan Wenfeng b
Chemosphere 60(2005)630-635,-0001,():
-1年11月30日
Degradation of formaldehyde with different initial concentration over titanium dioxide was carried out in a photocatalytic reactor. Photocatalytic rates were well described by the simplified Langmuir-Hinshelwood model. The kinetic analysis shows that the apparent first-order reaction coefficient is lower and half-life of photocatalysis is longer for low concentration than for high concentration formaldehyde. A network formation model of the photocatalytic products was established. Experimental results and analysis demonstrate that carbon dioxide concentration and carbon monoxide concentration in gas phase vary exponentially with the illumination time and may be even higher than gas-phase formaldehyde concentration if there is much pre-adsorbed formaldehyde in adsorption equilibrium on catalysts before illumination. Carbon monoxide is found to be one of the by-products during formaldehyde photooxidation.
Langmuir-Hinshelwood model, Photocatalysis, Carbon dioxide, Carbon monoxide
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35浏览
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359下载
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连之伟, Zhiwei Lian a, *, Guirong Zhang b, Hongmin Liu a, Xiaojiang Ye a
Applied Thermal Engineering 24(2004)703-715,-0001,():
-1年11月30日
A new type of air supply system, chair-back air supply system (CASS), in an air conditioned railway carriage in China is firstly presented in the paper by simulating the types of air distribution commonly used in the carriage and by comparing the results with prototype experiment. And evaluations on therma comfort and economy are also carried out. It is found that the CASS has its special advantages of better air distribution and better energy saving by comparing it with the other conventional air supply systems. Furthermore, it is much easier for the system to work in with the setting of air-conditioning units in the lower part of the carriage, which will meet the trend of high-speed of the carriages.
Air conditioning, Passenger carriage, Thermal comfort, Air distribution, Numerical simulation
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33浏览
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