天堂国产午夜亚洲专区-少妇人妻综合久久蜜臀-国产成人户外露出视频在线-国产91传媒一区二区三区

燃氣機熱泵熱水器系統(tǒng)的理論與實驗研究

發(fā)布時間:2019-03-19 15:22
【摘要】:燃氣機熱泵熱水器系統(tǒng)是以天然氣為一次能源輸入,為建筑物制冷季節(jié)提供冷量、供暖季節(jié)提供熱量和常年提供生活熱水的新型裝置,本文對燃氣機熱泵熱水器系統(tǒng)進行了理論模擬和實驗研究。 以燃氣機熱泵熱水器系統(tǒng)為基礎(chǔ),建立了燃氣發(fā)動機和熱泵系統(tǒng)的數(shù)學模型,以實驗和仿真相結(jié)合的方法研究燃氣機熱泵熱水器在冬季供暖季節(jié)的運行性能,結(jié)果表明所建立的模型能夠有效預(yù)測燃氣機熱泵熱水器的運行特性。 對燃氣機熱泵熱水器以循環(huán)加熱模式和一次加熱模式工作時的運行特性進行了對比研究,研究過程中主要考慮了環(huán)境溫度、冷凝器冷卻水流量、制冷劑過熱度及發(fā)動機轉(zhuǎn)速對系統(tǒng)性能的影響,結(jié)果表明系統(tǒng)以一次加熱模式運行時具有更高的一次能源利用率。 燃氣機熱泵熱水器在供冷季節(jié)以板式換熱器取代翅片管換熱器做為冷凝器,在供冷的同時,冷凝器的冷凝熱及回收的燃氣發(fā)動機余熱來制取生活用熱水。研究結(jié)果表明:回收冷凝器冷凝熱后系統(tǒng)的一次能源利用率PER得到了顯著提升,當發(fā)動機轉(zhuǎn)速為1900rpm時,系統(tǒng)的PER最小值也高達1.79,系統(tǒng)的節(jié)能效果顯著。 基于國內(nèi)四個城市氣象統(tǒng)計數(shù)據(jù),對燃氣機熱泵熱水器系統(tǒng)的制冷季節(jié)能效比(SEER)、制冷季節(jié)一次能源利用率(SPERr)、制熱季節(jié)能效比(HSPF)和制熱季節(jié)一次能源利用率(SPERh)進行了計算。 在只考慮發(fā)動機轉(zhuǎn)速和環(huán)境溫度的基礎(chǔ)上,提出了系統(tǒng)綜合一次能源利用率PERzh的定義,并對燃氣機熱泵熱水器在非供冷和供熱季節(jié)的運行進行了評價,,在實驗基礎(chǔ)上計算出系統(tǒng)的PERzh值為1.453,系統(tǒng)具有較高的一次能源利用率,節(jié)能效果明顯。
[Abstract]:Gas engine heat pump water heater system is a new type of device which takes natural gas as the primary energy input, provides cooling capacity for building refrigeration season, heat supply during heating season and daily hot water supply all the year round. In this paper, the theoretical simulation and experimental study of gas engine heat pump water heater system are carried out. Based on gas engine heat pump water heater system, the mathematical model of gas engine and heat pump system is established. The performance of gas engine heat pump water heater in winter heating season is studied by means of experiment and simulation. The results show that the model can effectively predict the performance of gas engine heat pump water heater. The operating characteristics of gas engine heat pump water heater in cycle heating mode and primary heating mode are compared and studied. The environmental temperature and cooling water flow rate of condenser are mainly considered in the research process. The effect of refrigerant superheat and engine speed on the performance of the system shows that the system has higher primary energy efficiency when running in primary heating mode. In the cooling season of gas engine heat pump water heater, plate heat exchanger is used as condenser instead of finned tube heat exchanger as condenser. At the same time, condensing heat of condenser and waste heat of gas engine are recovered to produce hot water for domestic use. The results show that the primary energy utilization rate (PER) of the system is significantly increased after the condensing heat is recovered. When the engine speed is 1900rpm, the minimum PER value of the system is also as high as 1.79, and the energy saving effect of the system is remarkable. Based on the meteorological statistics of four cities in China, the energy efficiency of gas engine heat pump water heater system in refrigeration season is higher than that of (SEER), refrigeration season. The energy efficiency of primary energy in the refrigeration season is (SPERr),. The seasonal energy efficiency ratio (HSPF) and primary energy efficiency (SPERh) of heating season were calculated. Based on the consideration of engine speed and ambient temperature, the definition of integrated primary energy efficiency (PERzh) is proposed, and the operation of gas engine heat pump water heater in non-cooling and heating season is evaluated. On the basis of experiments, the PERZ value of the system is calculated to be 1.453. The system has a high primary energy utilization rate, and the energy saving effect is obvious.
【學位授予單位】:天津大學
【學位級別】:博士
【學位授予年份】:2013
【分類號】:TU822

【參考文獻】

相關(guān)期刊論文 前10條

1 李應(yīng)林;張小松;吳薇;;基于混合動力燃氣熱泵的獨立供能系統(tǒng)[J];東南大學學報(自然科學版);2008年06期

2 黃興華;李峗;孔祥強;王如竹;;燃氣內(nèi)燃機和吸附制冷機組成的冷熱電三聯(lián)供系統(tǒng)[J];動力工程;2006年04期

3 謝英柏,馬一太,楊昭,蘇維誠;燃氣機熱泵的熱電冷三聯(lián)供系統(tǒng)分析[J];工程熱物理學報;2002年03期

4 馬一太,楊昭,李麗新,謝英柏;空氣源燃氣機熱泵空調(diào)系統(tǒng)的應(yīng)用研究[J];工程熱物理學報;2002年S1期

5 楊昭,程珩,張世鋼,謝英柏;燃氣壓縮式熱泵空調(diào)系統(tǒng)的實驗研究[J];工程熱物理學報;2003年06期

6 楊昭;趙海波;徐振軍;方箏;;燃氣機熱泵全年性能優(yōu)化研究[J];工程熱物理學報;2008年02期

7 馬一太,楊昭,呂燦仁,陳東;季節(jié)性能系數(shù)與壓縮機容量調(diào)節(jié)的研究[J];工程熱物理學報;1994年02期

8 張榮榮;魯雪生;李書澤;顧安忠;;燃氣機熱泵的能耗與運行費用分析[J];哈爾濱工業(yè)大學學報;2006年08期

9 徐振軍;楊昭;;具有濕處理功能的燃氣機熱泵節(jié)能分析[J];吉林大學學報(工學版);2008年S2期

10 袁昌立;;有關(guān)IPLV參數(shù)的幾個問題探討[J];節(jié)能;2007年01期

相關(guān)博士學位論文 前3條

1 陳軼光;內(nèi)燃機熱泵獨立供能系統(tǒng)的理論模擬與實驗研究[D];天津大學;2010年

2 王明濤;燃氣機熱泵自動控制系統(tǒng)的研究[D];天津大學;2011年

3 趙海波;空氣源燃氣機熱泵的仿真優(yōu)化及實驗驗證[D];天津大學;2007年



本文編號:2443648

資料下載
論文發(fā)表

本文鏈接:http://sikaile.net/kejilunwen/sgjslw/2443648.html


Copyright(c)文論論文網(wǎng)All Rights Reserved | 網(wǎng)站地圖 |

版權(quán)申明:資料由用戶edb31***提供,本站僅收錄摘要或目錄,作者需要刪除請E-mail郵箱bigeng88@qq.com