基于THM耦合機理的地下水源熱泵抽灌水井布置研究
本文選題:地下水源熱泵 + THM耦合; 參考:《遼寧工程技術(shù)大學(xué)》2013年碩士論文
【摘要】:地下水源熱泵空調(diào)系統(tǒng)由于采用新型清潔地下水資源近些年已在許多城市建筑中得到廣泛的應(yīng)用,但由于抽灌水井布置不合理,導(dǎo)致地下水源熱泵在使用中出現(xiàn)了許多問題。 論文運用滲流理論、熱傳遞理論、有效應(yīng)力原理,分析了地下水源熱泵系統(tǒng)滲流場—熱力場—應(yīng)力場的耦合機理,建立了三場完全耦合數(shù)學(xué)模型。運用COMSOL Multi-physics耦合模擬軟件對地下水源熱泵系統(tǒng)中單井運行時滲流速度、抽水量、灌水量對三場耦合變化規(guī)律進行模擬分析。模擬結(jié)果表明滲流速度對溫度場影響很大,對應(yīng)力場影響不是很明顯;抽灌水量的變化對溫度場和應(yīng)力場的影響都很明顯。 通過模擬了一抽一灌、兩抽、兩灌等三種模式不同水井間距三場耦合特征,獲得了不同布置模式下合理的抽灌水間距范圍。結(jié)果表明抽水灌水布置間距在70-80m是為較為理想的狀態(tài)。論文通過對沈陽興水大廈地下水源熱泵抽灌水井布置實例進行模擬和理論結(jié)果進行對比,結(jié)果表明模擬數(shù)據(jù)和實際監(jiān)測數(shù)據(jù)十分接近。該研究成果對于抽灌水井間距布置了提供科學(xué)支持。
[Abstract]:The air conditioning system of groundwater source heat pump (GSHP) has been widely used in many urban buildings in recent years due to the adoption of new clean groundwater resources. However, due to unreasonable arrangement of pumping irrigation wells, there are many problems in the application of GSHP. Based on seepage theory, heat transfer theory and effective stress principle, the coupling mechanism of seepage field, thermal field and stress field in groundwater source heat pump system is analyzed in this paper, and a fully coupled mathematical model of three fields is established. COMSOL Multi-physics coupled simulation software is used to simulate and analyze the seepage velocity, pumping rate and irrigation rate of single well in groundwater source heat pump system. The simulation results show that the influence of seepage velocity on the temperature field is very great, but the effect of the corresponding force field is not obvious, and the effect of the quantity of pumping and irrigation on the temperature field and the stress field is very obvious. By simulating the coupling characteristics of three different water well spacing, such as one pumping and one irrigation, two pumping and two irrigation, the reasonable range of pumping and irrigation spacing is obtained under different arrangement modes. The results show that the spacing of pumping irrigation arrangement is ideal at 70-80 m. In this paper, the simulation and theoretical results of pumping and irrigation well arrangement of groundwater source heat pump in Xinshui Tower of Shenyang are compared. The results show that the simulation data are very close to the actual monitoring data. The research results provide scientific support for spacing arrangement of pumping irrigation wells.
【學(xué)位授予單位】:遼寧工程技術(shù)大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2013
【分類號】:TU83;P641.8
【參考文獻】
相關(guān)期刊論文 前10條
1 薛禹群,謝春紅,張志輝,吳吉春;三維非穩(wěn)定流含水層儲能的數(shù)值模擬研究[J];地質(zhì)論評;1994年01期
2 梁冰,劉建軍,王錦山;非等溫情況下煤和瓦斯固流耦合作用的研究[J];遼寧工程技術(shù)大學(xué)學(xué)報(自然科學(xué)版);1999年05期
3 梁冰,孫可明,薛強;地下工程中的流─固耦合問題的探討[J];遼寧工程技術(shù)大學(xué)學(xué)報(自然科學(xué)版);2001年02期
4 倪龍;馬最良;孫麗穎;;同井回灌地下水源熱泵熱力特性分析[J];哈爾濱工程大學(xué)學(xué)報;2006年02期
5 李元普;柳春鳳;;中國地源熱泵產(chǎn)業(yè)迎來第二次發(fā)展高潮[J];中國建設(shè)信息供熱制冷;2008年11期
6 倪龍,封家平,馬最良;地下水源熱泵的研究現(xiàn)狀與進展[J];建筑熱能通風(fēng)空調(diào);2004年02期
7 李洪斌;彭建國;陳曉;李珍貴;張國強;;水-水源熱泵系統(tǒng)優(yōu)化控制模型的建立與分析[J];建筑熱能通風(fēng)空調(diào);2006年03期
8 張遠東;魏加華;王光謙;;區(qū)域流場對含水層采能區(qū)地溫場的影響[J];清華大學(xué)學(xué)報(自然科學(xué)版);2006年09期
9 王自明,杜志敏;變溫條件下彈塑性油藏中多相滲流的流固耦合數(shù)學(xué)模型與數(shù)值模擬[J];石油勘探與開發(fā);2001年06期
10 李元旦,張旭;土壤源熱泵的國內(nèi)外研究和應(yīng)用現(xiàn)狀及展望[J];制冷空調(diào)與電力機械;2002年01期
,本文編號:1783136
本文鏈接:http://sikaile.net/kejilunwen/sgjslw/1783136.html