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A Review on Solar Powered Air Conditioning System 太陽能空調系統(tǒng)綜述 Ravi Gugulothu,Naga Sarada Somanchi,Hima Bindu Banoth和Kishan Banothu 摘要:二十一世紀正迅速成為完美的能源風暴,現(xiàn)代社會面臨著能源價格波動和日益嚴重的環(huán)境問題以及能源供應和安全問題。21世紀人類面臨的最大挑戰(zhàn)之一是能源。煤、石油、天然氣等化石燃料是人類社會一切重要的主要能源?;剂系娜紵呀洸⒄趯Φ厍颦h(huán)境造成破壞。到2050年,隨著全球人口增長和發(fā)展中國家經濟擴張,能源需求可能會增加一倍甚至三倍。這已經引起了人們對潛在供應困難、能源資源枯竭和加速臭氧層損耗、全球變暖和氣候變化等環(huán)境影響的關注。人類社會可利用的最豐富的能源是太陽能。太陽能的利用和人類歷史一樣古老。在各類可再生能源中,太陽能利用最少。空調對于保持室內環(huán)境的熱舒適性是必不可少的,特別是對于濕熱氣候。如今,包括冷卻和除濕的空調已經成為商業(yè)和住宅建筑以及工業(yè)過程中的必要條件。夏季,由于空調系統(tǒng)的廣泛使用,電力需求大幅增加。這是該國電力供應出現(xiàn)重大問題的根源,并導致二氧化碳排放量增加,造成環(huán)境污染和全球變暖。另一方面,由于含氯氟烴( CFC )和氫氟碳化合物( HCFC )制冷劑的存在,蒸汽壓縮空調系統(tǒng)對平流層臭氧消耗有影響。使用太陽能來驅動冷卻循環(huán)是有吸引力的,因為冷卻負荷大致與太陽能的可用性同相。為了利用太陽能冷卻,一種解決方案是使用吸收式冷卻器,使用水和溴化鋰溶液。太陽能空調系統(tǒng)有助于減少化石燃料的使用。在不斷發(fā)展的節(jié)能空調技術中,液體除濕空調( LDAC )系統(tǒng)在過去幾十年中表現(xiàn)出了良好的性能,被認為是與廣泛使用的傳統(tǒng)空調系統(tǒng)(CAC)的強大競爭對手。干燥劑蒸發(fā)冷卻技術環(huán)保,可用于調節(jié)建筑物室內環(huán)境。與傳統(tǒng)空調系統(tǒng)不同,除濕空調系統(tǒng)可以由太陽能和工業(yè)廢熱等低級熱源驅動。在這項研究中,重點是通過使用太陽能來降低空調能力、節(jié)省燃料和減少排放。 關鍵詞:太陽能,除濕空調系統(tǒng),加濕,除濕,常規(guī)空調 太陽能作為一種可再生能源,越來越受到世界各國的重視。太陽系可分為兩類:這些是將太陽能轉換成熱能的熱系統(tǒng)和將太陽能轉換成電能的光伏系統(tǒng)。然而,更多落在光伏電池上的太陽輻射不是轉換成電能,而是反射或轉換成熱能。由于光伏電池工作溫度的升高,這種方法導致電轉換效率下降。 在過去的一個世紀里,科學界在兩個主要方面付出了很大努力來實現(xiàn)住房的能源可持續(xù)性;這些國家正在減少外部能源供應,其余國家則使用可再生能源。在這兩方面,太陽能都越來越受歡迎,因為它們增加了能源的獨立性和可持續(xù)性,同時對環(huán)境幾乎沒有影響。 現(xiàn)代舒適的生活條件是以巨大的能源為代價的。全球變暖和臭氧消耗,以及過去幾年化石燃料對建筑能源系統(tǒng)設計和控制的成本上升。太陽能資源豐富、清潔,用太陽能替代傳統(tǒng)能源具有重要意義。因此太陽能在建筑能源系統(tǒng)中起著重要作用。 化石燃料越來越稀缺,成本越來越高,減少溫室氣體排放的激勵措施也使得人們對太陽能越來越感興趣。太陽能價格低廉,能夠滿足家庭全年的需求。不幸的是,它的間歇性和隨天氣條件、時間和季節(jié)的變化導致供暖需求和太陽能供應之間的不匹配。 空調系統(tǒng)安裝在建筑物中,為居住者提供健康和生產環(huán)境。在廣泛使用的能源效率低的傳統(tǒng)空調系統(tǒng)的運行中消耗了大量的能量,這導致了一些與能源生產相關的環(huán)境問題,例如空氣污染、全球變暖和酸雨。 從最近的研究來看,這些建筑消耗了全球約