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Renewable Energy assignment可再生能源轉讓

時間:2019-08-28 11:44來源:未知 作者:anne 點擊:
建議在英國偏遠山區為一個兩個成年人和兩個孩子的家庭建造一所房子。這個家的網站沒有連接到電網,提供這樣的連接將是昂貴的。居住者需要熱水、空間供暖和電力。業主對可再生能源充滿
建議在英國偏遠山區為一個兩個成年人和兩個孩子的家庭建造一所房子。這個家的網站沒有連接到電網,提供這樣的連接將是昂貴的。居住者需要熱水、空間供暖和電力。業主對可再生能源充滿熱情,但缺乏技術知識。我們要求您對使用太陽能和/或風能的系統提出一些建議。
 
描述基本要求和組件,包括輔助設備:
a)太陽能熱系統。
b)太陽能光伏系統。
c)風能系統。
 
上面列出的三種技術中,哪一種是最低優先級的?證明你的回答是正確的。
如果您被要求提出更詳細的建議,您還需要提供關于房子、居住者和位置的哪些附加信息來指定和確定系統的大???
確定應考慮的任何其他能源技術,并描述其要求。
 
It is proposed that a house for a family of two adults and two children be built in a remote mountainous area of the UK. The site for this home is not connected to the electricity grid and provision of such a connection would be expensive. The occupants will require hot water, space heating and electricity. The owner is enthusiastic about renewable energy, but has no technical knowledge.  You have been asked to make some recommendations for a system using solar and/ or wind energy. 
 
Describe the basic requirements and components including ancillaries for:
a) A solar thermal system.
b) A solar photovoltaic system.
c) A wind energy system.
 
Which of the three technologies listed above should be the lowest priority? Justify your answer.
What additional information about the house, its occupants and the location would you need to specify and size the systems if you were asked to produce a more detailed proposal?
Identify any other energy technologies that should be considered and describe their requirements.
 
a) A solar thermal system.a)太陽能熱系統。
太陽能技術一般包括光熱和光電應用。太陽能光伏技術利用太陽能電池的光電效應將太陽輻射直接轉化為電能并以電的形式加以利用,而光熱技術則利用各種形式的集熱技術將太陽輻射收集和儲存為熱能。太陽能熱技術直接利用的太陽輻射的能量形式是熱能,可用于太陽能熱技術、蓄熱技術的技術實施和工程應用中的供熱、制冷、空調、熱電等。技術學不僅是太陽能熱利用的必要組成部分,而且是一種獨立存在和發展的特殊技術,在工程技術領域占有重要地位,應用廣泛。太陽能蓄熱器的節能應用得到了廣泛的采用和發展,是一種高效、環保的節能技術措施。太陽能蓄熱技術潛力巨大,許多工程技術作為節能環保措施逐步開發利用。
Solar energy technology generally includes photothermal and photoelectric applications. Solar photovoltaic technology uses the photoelectric effect of solar cells to directly convert solar radiation into electricity and apply it in the form of electricity, while photothermal technology uses various forms of collector technology to collect and store solar radiation as heat energy. The energy form of solar radiation directly applied by solar thermal technology is thermal energy, which can be used for heating, cooling, air conditioning and thermal power generation, etc. In the technical implementation and engineering application of solar thermal technology, thermal storage technology is not only a necessary part of the utilization of solar thermal, but also a kind of independent existence and development of special technology, which occupies an important position and is applied in a wide range of engineering technology fields. The energy saving application of solar thermal storage is widely adopted and developed, which is a kind of efficient and environment-friendly energy-saving technology measure. Solar thermal storage technology has great potential, and many engineering technologies are gradually developed and utilized as energy saving and environmental protection measures.
 
The so-called solar thermal storage technology refers to the energy storage technology that stores the solar heat that has been converted and collected by certain technical devices, and can be used in the form of non-ready-to-use, at the time of weak solar radiation or at night without solar radiation, or after a long period of time, such as through seasonal conversion, and can be re-used. The heat storage of thermal storage technology, its use time relative to conversion collection time, can delay preservation, long-term standby. Solar thermal storage technology can overcome the application limitations such as solar radiation intermittency and regional differences in solar energy utilization, improve the possibility and application efficiency of solar energy technology utilization, and the implementation of many engineering technologies can be more energy saving and environmental protection. Solar thermal storage technology can be applied in a wide range of fields such as building energy saving and green building, heat pump, refrigeration and air conditioning, which greatly improves the energy-saving and environmental protection effect of engineering equipment system in these fields.
 
Solar thermal systems are usually hot water and hot air systems. The difference of two systems: the collector heating medium is different, hot water system set up hot water collector, use of solar heat to heat water for users to use hot water, air air collector system setting, collect solar thermal heating air, two types of systems can get hot water and hot air, can be directly or indirectly to hot water heating, heating, drying, life form and so on a wide range of applications. Solar thermal storage technology can be applied in a wide range of user areas of solar thermal hot water and air systems to save energy and protect the environment, improve system efficiency and enhance system functions. For example, in the solar hot water system, the simplest solar hot water latent heat storage is to set the PCM material at the bottom of the hot water tank. When there is solar heat irradiation, the water heats up and the PCM material absorbs heat and stores heat. When there is no solar radiation, the PCM material flows into the water tank and heats up with cold water, thus achieving energy saving of heat storage and release. Various measures are adopted to improve the heat transfer efficiency of the heat storage tank. Various forms of open and closed loop complex systems are continuously developed and applied. The independent thermal memory of PCM material is used to store heat and release heat. For solar thermal air systems, both sensible heat and latent heat storage can be used in solar thermal systems. The heat storage capacity of PCM material can be reduced by using the sensible heat storage mode of rock, water and other heat storage materials. The corresponding drying device is set and the solar air heat collecting system with phase-change latent heat storage is adopted. The solar heat can be used to dry tobacco, vanilla and crops without sun exposure. The solar air heat collecting principle of phase-change latent heat storage can be used in the design of solar house technology measures for building energy saving. For example, the application of finalized phase-change thermal storage materials in the ceilings and walls can directly benefit air heat collection and regulate indoor temperature environment with solar heat storage and release, which can reduce building energy consumption.
 
Solar thermal storage for building energy conservation is an important technical measure for building energy conservation at present. For example, the application of phase-change thermal storage technology will generate huge energy saving effect and great potential for application. Phase-change thermal storage materials can be widely used in building energy conservation. The principle is to improve the heat storage and release of building envelope to solar heat, geothermal and other renewable energy sources, increase the solar heat available for utilization, so as to reduce the load of building heating and air conditioning and achieve building energy conservation. For example, tromb wall is an effective solar energy building technology that absorbs and stores solar heat for building energy conservation. By setting up thermal interlayer of building envelope to collect and circulate solar heat for heating heat collection and distribution. The use of phase-change thermal storage materials in the wall materials of trombe wall can enhance the heat storage and release capacity of the wall, so as to absorb and utilize more solar heat, realize the reduction of heating heating and cooling and heating load of air conditioning, and improve the building energy efficiency. Phase-change thermal storage materials can be applied to wall and window structures. For example, a shutter that is opened at night during the day, a phase-change thermal storage material absorbs solar heat, and the shutter is closed at night, which is insulated from external heat, and the heat is one-way to indoor heating. The shaped phase-change thermal storage materials can be applied to the heating function floor for the use of electric load regulation or solar heat storage to reduce building energy consumption and operation cost. The ceiling structure on the top of the building USES phase-change thermal storage materials to store and release solar heat, which can reduce the heating load of the building.
 
Style
 
You should regard your report as an informal response and so need not worry about title pages, contents, appendix etc. Your report should give enough guidance that will enable the homeowner to make an informed decision and make plans accordingly. This assignment is open ended and should allow you  to demonstrate your understanding of the course material and the subject in general. Remember that there are penalties for copying material from other students and from the internet etc. You may use information from published sources if you make it clear that it is not your own material. You need not do this for material from the course notes.


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