国内可再生能源文献信息

GN060401太阳能地源热泵蓄能空调系统的研究，邓新华，节能技术，2006，24（3）：209—211．奥运科技专项课题“新能源综合利用建筑研究与示范”，将新能源与建筑有效结合。综合采用了建筑节能技术、太阳能空调制冷采暖、太阳能蓄热（冷）技术、蓄能地板采暖技术、地源热泵技术。新能源在建筑供暖中的比例为81．64％。     

长春地区太阳能辅助地源热泵供热的可行性研究

长春地区地下土壤导热系数低,长时间采用地源热泵来供暖,热泵的效率较低。通过对长春地区太阳能资源分布规律的分析,从技术性、经济性方面对太阳能辅助地源热泵供热与单独采用地源热泵供热进行比较。结果表明：太阳能辅助地源热泵供热方案效果良好、经济可行。因此,在长春地区,利用太阳能辅助地源热泵供热是完全可行的。     

复合地源热泵系统冬季供暖运行实验研究

介绍了地源热泵在冬季运行供暖的实验研究,具体分析了长期连续运行时土壤温度的变化规律,热泵机组系统的COP变化情况,以及太阳能辅助系统与地源热泵系统联合运行时土壤温度的变化规律,热泵机组系统的COP变化情况.试验数据表明了增加太阳能辅助地源热泵系统后,显著地提高了冷凝器出口温度和室内温度,有效地提高了热负荷,增加了供热面积.总结出了本地区地源热泵系统的一般运行规律.     

太阳能地源热泵蓄能空调系统的研究

奥运科技专项课题“新能源综合利用建筑研究与示范”,将新能源与建筑有效结合。综合采用了建筑节能技术、太阳能空调制冷采暖、太阳能蓄热(冷)技术、蓄能地板采暖技术、地源热泵技术。新能源在建筑供暖中的比例为81.46%。     

北方农村中小学供暖方案选择

分析农村中小学供暖现状,提出几种适用于北方农村中小学的太阳能与辅助热源一体化供暖系统形式.以济南农村某小学为例,对太阳能与碳晶电热板复合供暖系统、太阳能与空气源热泵复合供暖系统、太阳能与地源热泵复合供暖系统及太阳能与沼气燃气锅炉复合供暖系统4种供暖方案的能耗、系统造价和系统运行费用进行研究.研究结果表明:对于该小学来说,太阳能与空气源热泵复合供暖系统长期运行较经济.     

高原地区空气源热泵及辅助热源复合系统能耗研究

高原地区空气源热泵系统供暖时应考虑设置辅助热源进行补充,常用的辅助热源包括太阳能集热器、电加热器、燃气锅炉供暖等。文章采用负荷频率法,对高原地区空气源热泵供暖系统,及采用不同辅助热源供暖的复合式系统等4种供暖方案的能耗和热源利用效率进行了对比研究,结果表明:采用空气源热泵+太阳能集热器供暖能耗明显小于其他方案,又充分利用可再生能源,为最优化运行方案;采用单纯空气源热泵机组供暖受到室外低温的影响,设备性能显著下降;采用空气源热泵+燃气锅炉供暖,节电但不节能,一次能源利用率较低,节能效益亦低;采用空气源热泵+电加热器供暖,二次能源利用率低,节能效益亦低。     

复合式土壤源热泵系统设计

设计了一套复合式土壤源热泵性能实验台,采用冷却塔作辅助冷源、太阳能热水器作辅助热源,能够实现冬季供暖、夏季供冷、一年四季提供60~80℃生活热水的功能。给出了系统中热泵机组、空调末端设备、冷却塔、水泵、太阳能热水器等主要部件的选型计算方法,经搭建好的土壤源热泵性能实验台运行测试,制冷和制热效果良好,同时也解决了土壤热平衡问题。     

农村住宅清洁能源供暖方式经济性分析

以莒县农村地区冬季供暖方式为依据,研究分析太阳能辅助空气源热泵、燃气壁挂炉、地埋管地源热泵3种清洁能源供暖方式。通过对3种供暖方式的设备造价、运行费用的经济性分析,得出最优的清洁供暖方案,对实际农村住户冬季采暖提供建议。     

太阳能与土壤源耦合供暖系统的实验研究

在分析太阳能、土壤源热泵及联合供热特点的基础上,研究了太阳能热泵独立系统、土壤源耦合热泵系统运行模式的制热性能和节能效果,建立了太阳能蓄能-热泵耦合热泵系统的供暖模式及优化模型.通过采暖季初期的太阳能蓄能、供暖,土壤源热泵独立供暖及太阳能-土壤源耦合热泵供热的实验研究,验证了太阳能-土壤源耦合热泵供暖模式的可行性和经济...     

太阳能-空气源双能源复合供暖在严寒地区农村住宅中的应用研究

针对空气源热泵热风机在室外低温环境下供暖性能衰减，导致室内冬季供暖效果变差等问题，为充分发挥资源优势，提出了一种太阳能-空气源双能源复合高效集成装置，实现了太阳能集热器与低温空气源热泵热风机联合供暖。介绍了该集成装置的技术原理和控制策略，通过TRNSYS软件对该集成装置在哈尔滨地区农村住宅的供暖效果进行了研究，并对该集成装置供暖和低温空气源热泵热风机单独供暖的效果进行了对比分析。研究结果表明：太阳能-空气源双能源复合高效集成装置实现了太阳能与空气源两种能源更为合理的供暖时段匹配。在整个供暖季，与低温空气源热泵热风机单独供暖相比，该集成装置的供暖效果更好且能耗更低，其系统总能耗降低了2034.8 kWh，制热能效比提升了35.06%。     

Exergetic performance evaluation of heat pump systems having various heat sources

In this study heat pump systems having different heat sources were investigated experimentally. Solar‐assisted heat pump (SAHP), ground source heat pump (GSHP) and air source heat pump (ASHP) systems for domestic heating were tested. Additionally, their combination systems, such as solar‐assisted‐ground source heat pump (SAGSHP), solar‐assisted‐air source heat pump (SAASHP) and ground–air source heat pump (GSASHP) were tested. All the heat pump systems were designed and constructed in a test room with 60 m² floor area in Firat University, Elazig (38.41°N, 39.14°E), Turkey. In evaluating the efficiency of heat pump systems, the most commonly used measure is the energy or the first law efficiency, which is modified to a coefficient of performance for heat pump systems. However, for indicating the possibilities for thermodynamic improvement, inadequate energy analysis and exergy analysis are needed. This study presents an exergetic evaluation of SAHP, GSHP and ASHP and their combination systems. The exergy losses in each of the components of the heat pump systems are determined for average values of experimentally measured parameters. Exergy efficiency in each of the components of the heat pump systems is also determined to assess their performances. The coefficient of performance (COP) of the SAHP, GSHP and ASHP were obtained as 2.95, 2.44 and 2.33, whereas the exergy losses of the refrigerant subsystems were found to be 1.342, 1.705 and 1.942 kW, respectively. The COP of SAGSHP, SAASHP and GSASHP as multiple source heat pump systems were also determined to be 3.36, 2.90 and 2.14, whereas the exergy losses of the refrigerant subsystems were approximately 2.13, 2.996 and 3.113 kW, respectively. In addition, multiple source heat pump systems were compared with single source heat pump systems on the basis of the COP. Exergetic performance coefficient (EPC) is introduced and is applied to the heat pump systems having various heat sources. The results imply that the functional forms of the EPC and first law efficiency are different. Results show that Ex_loss,total becomes a minimum value when EPC has a maximum value. Copyright © 2008 John Wiley & Sons, Ltd.     

Ground source heat pump system: A review of simulation in China

With attractive advantages of high efficiency, energy saving and environmental friendliness, the ground source heat pump (GSHP) system has been used widely in China in recent years. This paper summarizes the analytical solution, numerical solution and experimental investigation of the heat transfer of the ground heat exchanger (GHE), analyzes the simulation model and long-term operation performance of the GSHP system, and introduces the lastest hybrid ground source heat pump (HGSHP) system. In addition, this paper discusses and summarizes the shortages and imperfects of the current research on the simulation of the GSHP system and gives some recommendations for future work.     

如何保证地源热泵式沼气池加温系统长期稳定运行

针对地源热泵式沼气池加温系统中出现的冬夏季取排热不平衡从而影响其长期稳定运行的问题,本文在采取控制运行方式、增加辅助热源和蓄热系统解决方法的分析基础上,从充分利用可再生能源和地源热泵设备的角度出发,提出热泵供热和制冷互补模式与太阳能-地源热泵多功能互补模式,并对其可行性进行分析。     

建筑节能新方向:太阳能光伏-地源热泵系统

减少我国冬季采暖所造成的大气污染,降低供暖系统的能耗,节约能源一直是建筑节能追求的目标.目前太阳能光伏发电已经成为人类利用太阳能的最主要方式之一,地源热泵已被作为一项旨在解决建筑冷热源问题的新技术,日渐受到人们的重视.将光伏转换与热泵循环有机结合在一起,从而形成了太阳能光伏-地源热泵系统.该系统提高了光电转换和光热吸收效率,光电/光热综合利用,极大地提高了单位面积太阳辐照的利用效率,同时可提高热泵系统在寒冷地区运行的适用性;利用光电效应把太阳能中高能带区域的光能直接转化成电能,可大大提高太阳能的可用能效率;在增加能量储存装置和逆变器的条件下,可以使系统脱离公用电网运行,从而增加了系统的适用性和灵活性;与普通的空气源热泵相比,太阳能地源热泵具有较高的热性能,具有一机多用的功效;与建筑物相结合的太阳能热泵系统,可以增加建筑物的隔热效果,起到减少建筑物冷暖负荷的作用,同时可极大地减少环境污染.     

Review of solar assisted heat pump drying systems for agricultural and marine products

Combining solar energy and heat pump technology is a very attractive concept. It is able to eliminate some difficulties and disadvantages of using solar dryer systems or solely using heat pump drying separately. Solar assisted heat pump drying systems have been studied and applied since the last decades in order to increase the quality of products where low temperature and well-controlled drying conditions are needed. This paper reviewed studies on the advances in solar heat pump drying systems. Results and observation from the studies of solar assisted heat pump dryer systems indicated that for heat sensitive materials; improved quality control, reduced energy consumption, high coefficient of performance and high thermal efficiency of the dryer were achieved. The way forward and future directions in R&D in this field are further research regarding theoretical and experimental analysis as well as for the replacement of conventional solar dryer or heat pump dryer with solar assisted heat pump drying systems and solar assisted chemical and ground source heat pump dryers which should present energy efficient applications of the technologies.     

我国地源热泵相关技术专利综合分析

地源热泵是一种利用浅层土壤或含水层实现供热和空调制冷的高效节能设备。随着我国政府和社会对节能环保越发重视,地源热泵技术的优势将更加突出。最近几年我国地源热泵发展较迅速,在设计、制造、运行、管理等方面都取得了一些研究成果。对国内最近地源热泵的相关专利进行了检索,并进行了定性与定量分析,为该领域的研究者和企业提供专利信息参考,并归纳总结了一些研究热点,以期为我国地源热泵行业的研究开发与市场发展提供决策参考和技术依据。     

地源热泵供暖空调的经济性

地源热泵是利用地表浅层土壤能量（地下水、土壤或地表水）作为冬季热泵热源供暖和夏季冷源进行空调的系统,地源温度全年相对稳定的特性使得地源热泵比传统空调系统运行效率要高,地源热泵是否具有经济竞争性仍是一个非常关键的问题,该文对地源热泵与传统的供暖空调系统进行经济性比较。首先将地源热泵与传统供暖方式,如燃煤、燃油和天然气锅炉进行供暖经济性的比较,再将地源热泵与常规电制冷空调方式进行空调经济性的比较,然后将地源热泵与锅炉加空调两种方式共四种方式共四种方案进行综合经济性的比较分析。     

Numerical simulation of geothermal-PVT hybrid system with PCM storage tank

As the increase in greenhouse emissions, climate changes, and other irreversible repercussions stems from environmentally destructive energies such as fossil fuels, exploiting solar and geothermal energy as unlimited clean sources of energy in the renewable energy technologies can survive the planet earth, which is facing a catastrophe on a global scale. The main purpose of this research is to study Techno analysis of the combined ground source heat pump (GSHP) and photovoltaic thermal collectors (PVTs) with a “phase-change material” (PCM) storage tank to fulfill the energy demands of a residential building. In the first step of this study, in order to model the heat pump behavior in multi-usage operation modes (heating and cooling), a numerical transient simulation of a water-to-water GSHP, which includes a vertical U-type ground source heat exchanger (GSHX) and a variable speed drive (VSD) compressor, was conducted by developing a numerical code in Engineering Equation Solver software. To study the thermodynamic aspect of the hybrid system in terms of exergy and energy, a transient numerical simulation was accomplished using the TRNSYS program. Also, the impact of effective characteristics of ingredients such as areas of PVT panels and the volume of the storage tank of PCMs on the performance of the hybrid system are investigated. On top of that, the two types of the GSHP-PVT-PCMs and GSHP-PV from the energy and exergy points of view are compared. The obtained results demonstrate that the irreversibility of the solar modules of the GSHP-PVT-PCMs is 6.6% lower than that of the GSHP-PV. Furthermore, the calculation of the annual required load of the building for these two kinds of hybrid systems shows that the use of collectors in this combined system has reduced the total load of the building by 6.5%. The use of collectors in the GSHP-PVT-PCM gives rise to a difference in the value of solar factor (SF) of this system by 1.4% more than the one for the hybrid system without thermal collectors.