巴渝地区夯土民居室内热环境

传统民居的传统生态建造经验与价值已得到广泛认可,巴渝地区因特殊的地形与气候,传统民居在热环境的营造上有自身的特点。以重庆江津区龙塘村夯土民居为研究对象,以实地测量的冬季室内热工参数为基础,运用软件模拟分析,对民居全年室内热环境进行评价,发现夯土墙对改善夏季热环境更为有利,夯土民居冬季室内热环境远比夏季差;民居建筑中阁楼空间在调节室内热环境方面作用显著,具有冬季保温,夏季隔热的作用。     

高大平房仓围护结构隔热试验

夏季高温时期,太阳对墙体的热辐射以及外界热量通过仓房围护结构的传导向粮堆传递,使墙体周边的粮温上升较快,向阳面最高部位可达30℃以上,超过了控温储粮的最高限量目标。介绍采用隔热保温材料对仓房围护结构的隔热试验,为提高高大平房仓的隔热保温性能提供科学的参考依据。     

双层节能隔热外墙技术在平房仓改造中的应用

“双层表皮”节能外墙构造技术是一种新型建筑节能措施。通过在原有砌体外墙的外侧架空设置ALC隔热板墙,形成内外两层结构围护墙而中间构造出流动空气间层,大大改善了粮仓围护墙的热工性能,起到较好的隔热作用,降低了外界高温对墙体的影响,取得了良好的技术和经济效果。     

南方建筑非透明围护结构热工与节能设计

如何兼顾冬夏两季建筑供暖空调负荷和能耗,保证室内热环境质量,确定最适宜的热工特性,是长期困扰中国南方建筑围护结构热工与节能设计的难点。通过对夏热冬冷和夏热冬暖地区建筑在采暖、空调与自然通风条件下动态热过程的分析,研究了这一地区围护结构热特性与能耗的制约关系,以及对室内热环境与建筑热稳定性的作用机理。在兼顾冬季保温与夏季隔热的情况下,将建筑全年能耗作为控制目标,从室内热环境质量、节能效果、围护结构的安全性、可靠性、经济性和实用性等角度评价目前所采用的围护结构节能技术存在的问题,提出一种适宜南方气候的建筑围护结构热特性指标及构造形式。     

苏北地区日光温室能量分配动态研究

为了进一步提高日光温室保温性能,减轻温室内低温寡照灾害发生,以苏北（徐州）番茄日光温室为研究对象,利用采集的2010年12月-2011年4月温室小气候数据及番茄发育数据,根据日光温室小气候形成的物理过程与机理,系统研究了冬春季节不同天气类型及不同叶面积指数对温室能量分配的影响。结果表明：日光温室内潜热、显热随着室内总辐射量的改变而发生变化,阴天以显热消耗为主,潜热消耗量全天低于显热;晴天日光温室内用于作物蒸腾的能量显著多于阴天,阴天室内外贯流传热消耗的能量远远多于晴天;随着叶面积指数增大,到达地面的太阳辐射减少,地面升温慢,室内空气与地表的显热交换量减少,同时室内空气与墙体的显热交换增加。本研究结果可为温室的结构优化及冬春季节日光温室管理提供科学依据。     

烟叶烘烤密集型烤房节能技术途径分析

简要分析了我国密集型烤房烟叶烘烤能耗现状及目前密集型烤房加热设备存在的主要问题。在此基础上,结合太阳能及低温余热利用、换热器强化换热、烤房内气流组织优化设计、围护结构隔热、空气源热泵等节能技术,初步探讨了密集型烤房的节能技术途径。     

Energy Saving Principle and Design Experience of a New Type Curtain Wall

The energy consumption and sight pollution of glazing curtain wall are two problems to be urgently managed. Intelligent curtain wall is a new type one of energy conservation and environment protection, in which the thermal channel to save building energy consumption and automatic sunshade to adjust sunlight are adopted. Four engineering examples of oversea intelligent curtain wall are briefed. The construction and energy saving principle of ventilative curtain wall as the core technique of intelligent curtain wall are presented. The earliest ventilative curtain wall in China Mainland, and its test results of heat preservation in winter are stressed. The design experience of how to choose three key parameters: the width of thermal channel, the layout of inlet and outlet and the type of glass is discussed.     

Optimum Planting System for Energy Saving and Healthy Demanded

It is proved that planting is effective to improve environment both indoor and outdoor resulted from the functions of plants to clean air and save energy. So the contradiction between saving energy and comfort,healthy demanded by people can be solved by planting. The planting have being emphasized and expanded during recent years,but in the planting plan,just the function of beautifying the environment is concerned and the function of ecological and saving energy are neglected. The analysis on the ooptimum system of planting is to make the planting system as an organic composition in the effectiveness structure and space layout of the city. Based on the study on equivalent relation of different effects on environment, the optimum system of planting structure will be determined in order to achieve the integrated effects of planting on environment.     

果蔬冷库节能技术

针对果蔬冷库现状,分析了果蔬冷库在制冷系统确定、隔热材料选择、热负荷计算和运行管理方面的节能潜力,探讨了果蔬冷库节能技术。     

彩钢板屋顶高大平房仓仓顶喷涂反射隔热涂料的应用效果

分析了彩钢板屋顶高大平房仓喷涂太阳热反射隔热涂料对仓顶温度、仓温、粮温的影响,为彩钢板屋顶高大平房仓控温储粮寻找一种有效方法。试验结果表明,喷涂太阳热反射隔热涂料对控制彩钢板屋顶高大平房仓仓温效果明显,同时可以达到延缓仓顶彩钢板老化、改善仓内工作环境和节能减排的目的。     

泡沫板隔热控温与储粮品质变化关系试验

为了解决仓房隔热性能不好的问题,进行了泡沫板隔热控温试验,结果表明,该技术可改变储粮生态,抑制虫霉生长,延缓粮食品质陈化.     

Green Thought on the Energy Saving of Air Conditioning

This paper points out the problems in air conditioning and the urgent need in energy saving. By observations and analyses, it shows that the idea of making use of natural resources to improve the indoor air may date back to ancient times. This paper also examines the feasibility of taking advantage of dry or wet bulb temperature, solar energy, underground rock etc. to regulate the room temperature. Finally, it concludes that the above mentioned old idea has such characteristics as energy saving, low cost and less pollution. Therefore, it is a good green plan in energy saving air conditioning.     

高大平房仓粮面PEF压盖隔热试验

用PEF在高大平房仓粮堆表面进行压盖，经2001年过夏使用结果表明PEF材料有良好的隔热效果，能有效地控制粮堆温度上升幅度，克服了高大平房仓屋面隔热性能差，上层粮温易升高的弊端，可有效控制虫霉危害，符合推广绿色储粮的技术要求，达到控温储存，延缓粮食陈化的目的。     

高大房式仓粮面压盖隔热试验

利用聚苯乙烯泡沫板、腈纶棉被、稻壳、麻袋等压盖物 ,分别对高大平房仓粮堆表面进行压盖 ,经过度夏试验的结果表明 ,用隔热性能较好的材料压盖 ,能有效地控制粮温上升幅度 ,克服了高大房式仓屋面隔热性能差、上层粮温易升高的缺点 ,有效地控制了虫霉危害发生 ,达到控温储藏、延缓粮食品质陈化的目的     

隔温式房式仓储粮技术的应用探讨

对隔温式密闭房式仓储粮性能进行研究。结果表明，隔温式密闭房式仓具有良好的降氧、而高温性能，可以延缓储粮品质陈化，防虫、防霉、防鼠，适合于各种粮食储藏。     

Study on Heat Insulation and Use of Passive Evaporated Roof

According to different construction ways and materials, three kinds of roof, that is ,passive evaporated roof with freedom water surface , water stored roof by means of pore material and hygroscopic roof,are introduced in this paper . Meanwhile the theory of heat insulation and energy efficiency on passive evaporation roofs and suitable weather and places to be used are also discussed .The results show that all kinds of passive evaporated roofs have high efficiency in heat insulation because of water's high specific heat and large quantity of absorbed latent heat,and that they can be adopted according to the practical local weather ,natural resource and economical development.     

Influence of Indoor Thermal Environment on Thermal Comfort of Human Body

Analyses the thermal environment parameters from physiological aspect and from psychological aspect respectively. Introduces the conception of thermal comfort of human body from heat balance aspect. Presents some measures to improve indoor thermal environment and advance thermal comfort of human body. Analyses the influence of indoor thermal environment on thermal comfort of human body and some questions on the aspect of this research, also puts forward some advices.     

太阳热反射涂料在高大平房仓中的应用试验

采用太阳热反射涂料对粮仓仓顶外表面和外墙进行涂刷处理,通过试验对比,该涂料具有抗腐蚀性、防渗透性和耐候性,对仓温能起到一定的隔热保温效果,在储粮度夏期间能有效降低仓温和表面粮温上升幅度,与对照仓相比分别能降低5℃以上,从而增加储粮稳定性、延缓粮食品质变化。     

Influence of heat storage mode of domestic hot water on the performance of ground heat exchanger in ground-source heat pump system

The vertical U-tube ground-coupled heat pump system provides cold and heat for the controlling of indoor environment. Under the air-conditioning condition, the vertical U-tube ground-coupled heat pump system with heat recovery can provide domestic hot water. The influence of supplying domestic hot water on the heat transfer performance of ground heat exchangers is different under different operating modes in summer and winter. Through a project design of ground-source heat pump system, the influence of supplying domestic hot water under heat storage mode on the heat transfer performance of ground heat exchangers in summer and winter is respectively analyzed. The dynamic performance of heat exchangers under different working conditions is analyzed, and through numerical calculation, the heat transfer performance parameters of ground heat exchangers under different operating modes are obtained. From the calculation results, the adjusting methods based on the load characteristics of this project represent.     

利用绿色储粮技术控温保粮的探讨与实践

现浇拱板平房仓最大的问题是仓房隔热性能较差、上下弦板间积热严重,导致夏季仓内温度高、储粮出现＂热皮冷芯＂。持续高温会加速储粮品质劣变,不利于粮食品质保鲜及安全储藏。为此,采用改造平房仓的仓顶隔热层,加盖新型隔热材料、仓库周围种植绿色爬藤植物、利用自然冷源通风散热、少用或不用化学药剂保粮等绿色储粮综合技术,最大限度地减少盛夏仓顶曝晒后的积热,隔热控温,解决粮仓降温问题,延缓了粮温的上升速度,抑制了害虫的生长繁殖和储粮品质的劣变,保证了储粮安全。