空調(diào)制冷相關(guān)外文翻譯

1、<p><b>　　附錄A</b></p><p>　　Abstract: Cooling panels are increasingly used in domestic residential buildings. To provide medium temperature cold water for the cool噸panel, and dehumidify the in

2、door air simultaneously, a new kind of temperature-humidity independent control air-conditioning unit was developed for single residential house by utilizing multi-variable technology. First, the supply sir temperature w

3、as studied to determine the proper supply air flow rate for the humidity control. Then, the energy consumption of di</p><p>　　In the ventilation standards, the indoor relative humidity was always ignored in

4、the past, because if the relative humidity is maintained between 30 % and 70 %，it affects little on people’s thermal oom-fort. In Yangtze River area, the outdoor air humidity is very high in the whole year, so the buildi

5、ngmoisture load needs to be taken into consideration when designing the air-conditioning system. Jiang Yi etc. started to study the temperature and humidity control air-rnnditioning system in 199</p><p>

6、　　However, the liquid desiccant dehumidificationsystems are often too large and expensive for a residential house. Thus, to develop a new kind of air-conditioner for the residential building to control the temperature an

7、d humidity independently is the very problem that we are facing with and to solve.</p><p>　　Radiation panel is a new kind of air conditioning device removing heat through radiation. The watersupply temperatu

8、re cannot exceed the indoor dewpoint temperature in~of condensation on its surface. However, the water supply temperature is always around 7 Celsius degree, which is much lower than the indoor dew point temperature. Cons

9、equentheat exchangers or mixture valves are needed toget medium temperature cold water ( around 18 Celsins degrees)，which is obviously a waste of energyaccording to </p><p>　　At the same time, dry air is nee

10、ded to compensate the indoor latent load; otherwise, condensation may happen on the surface of the radiation panel. In this paper, we developed a high efficiency residential air-conditioning unit, which can produce mediu

11、m temperature cold water and dry air simulta neously to deal with the sensible load and latent load separately.</p><p>　　In the cold dehumidification, the supply air is handled by surface air cooler to remov

12、e the water vapor in it. The temperature and humidity ratio of thesupply air are both lowered, so that it can handle the entire indoor moisture Toad, while undertake a part of the sensible heat load. From the point of vi

13、ew of en- ergy conservation, it is assumed that the air is supplied at dew-point temperature.</p><p>　　Under certain indoor moisture load, the supply air flow rate changes with its temperature. If the temper

14、ature of the supply air is relatively high, e. g.，16℃，its humidity ratio is relatively high, thus, it canless moisture of unit~air flow rate, so the supply air flowrate has to be enlarged to meet the dehumidification req

15、uiretnent. On the contrary,遷the supply air temperature is low, less air flow rate is needed tothetore. The supply air flow rate at different supply tempetalure is s)bvm in fig.</p><p>　　For the residential b

16、uildings, the outdoor air flow rate is determined by the rate of ventilationiel.Thus, in a residential house, of which the area isfixed, the outdoor air flow rate is constant, while thesupply air flow rate changes accor

17、ding to its temperalure. Consequently, the minimum supply air temper-store can be obtained, because the minimum supplair flow rate is the outdoor air flow rate.</p><p>　　From fig.2 and fig. 3, we can find th

18、at the minimam supply air temperature decreases with the in'crease of indoor moisture load. At the same supply aiitemperature, the supply sir flow rate increases with</p><p>　　In the application, dedica

19、ted outdoor air andoutdoor air plus return air are both frequently used.</p><p>　　In the dedicated outdoor air system, the supply airtemperature is relatively low, so its cold source ener-gy efficiency is re

20、latively low, which will decrease thesystem efficiency. But it handles less indoor sensibleheat load,，the high temperature cold source will undertake more load, which can enhance the system efficiency. In order to study

21、whether the dedicated outdoor air system or the outdoor a us return air system is~efficient, numerical models are established to estimate their performance</p><p>　　The study results show that if ieturn sir

22、is used in the supply air to remove the moisture, the energy consumption is less than the case that only outdoor air is used to remove the moisture. As a result, air banfiling unit should be designed according to the out

23、door air plus return air flow rate.</p><p>　　Different low temperature cold source and high temperature cold source can be used to handle the indoor moisture load and sensible heat load. In the table below,

24、the equipments and their required temperature are listed.</p><p>　　In fig. 6, the study results show that when di-rest expansion dry coils are used to handle the indoor sensible heat load, the energy consump

25、tion will beless than using radiation panels. It is because that the refrigerant exchange heat with the air directly, without producing medium temperature cold water, so the evaporating temperature will be higher for the

26、 sensible heat handling unit. However, these kinds of sen Bible heat handling units are seldom used in application. On the contrary, radiati</p><p>　　Temperatnre-Hamidity Independent Con trol Unit Experiment

27、</p><p>　　Based on the above study, unity evaporating temperature can be used in two evaporators to control the indoor temperature and humidity independently.Its scheme is shown in fig.</p><p>　

28、　When running at part Ioad, if "on-off" control isused in the system, the indoor humidity cannot be properly controlled, so the water vapor may condense on the surface of the radiation panel. Consequently,varia

29、ble refrigerant technology should be exerted to control the indoor humidity continuously.</p><p>　　If capillary tube is used as the throttling governor, the throttling capability is fixed anct the refrigeran

30、t mass flow rate ratio in two evaporators is also fixed. As a result, when the moisture load increases,the total refrigerant mass flow rate has to be enhanced to meet the dehumidification requirement also enhance the coo

31、ling capacity. But which will the cooling load may not increase with the moisture load, so the indoor temperature will be lowered. Similarly, when the indoor moisture load </p><p>　　These cases will cause pe

32、ople uncomfortable and energy waste. Electric expansion valves can adjust the refrigerant mass flow rate in the two evaporators to control the dehumidification and cooling capacity. Consequently, electric expansion valve

33、s should be ex-erted to control the refrigerant mass flow rate to meet the dehumidification and cooling load at the same Based on the above analysis, the unity evaporating temperature tem-hum independent control AC s

34、ystem is designed and produced.</p><p>　　From the point of view of thermal dynamics, the thermal cycle of this kind of unit is as simple as an ordinary AC unit. But the two evaporators work together to meet

35、the requirement of dehumidification and cooling, so the working status of the two evaporators have to be studied to obtain the running point of the unit under different moisture load and cooling load. Experimental wor

36、k is carried out to investigate its performance under different circumstances.</p><p>　　In order to obtain the impact of outdoor air temperature, indoor air temperature, indoor air relative humidity, compres

37、sor frequency, and refrigerant rado in two evaporators on the performance of the unit, orthogonal experiments are designed.</p><p>　　The unit conducted orthogonal experiments and the results reveal that, the

38、 frequency of compressor and the distribution of refrigerant in air side and water side have great impact on dehumidification capacity, cooling capacity and the efficiency. From the unit performance study, we can obta

39、in the running point and EER of the unit under different circumstances, thus, the energy consumption of the unit in the cooling can 6e estimated. The result showed that the unity evaporating temperature e t</p>&l

40、t;p>　　Two evaporators were used to produce medium temperature water and dry air separately, and electric expansion valve was used to control the refrigerant distribution between the two evaporators. Then, experimental

41、 work was carried out to investigate the influence of compressor frequency, refrigerant distribution on the dehumidification capacity, energy efficiency and refrigeration capacity, which led to the conclusion that both c

42、ompressor frequency and refrigerant distribution can control the dehu</p><p><b>　　附錄B</b></p><p>　　冷卻板正越來(lái)越多地應(yīng)用于國(guó)內(nèi)住宅。提供中期溫度為冷水，除濕室內(nèi)空氣的同時(shí)，一種新的引入溫濕度獨(dú)立控制空調(diào)系統(tǒng)提出了利用單住宅多元技術(shù)。首先，供應(yīng)先生溫度的研究，來(lái)判定

43、正確的供應(yīng)空氣流量的濕度控制。然后，能耗控制系統(tǒng)引入溫濕度獨(dú)立的不同進(jìn)行了研究。分析結(jié)果表明:統(tǒng)一蒸發(fā)溫度可以用來(lái)處理水分負(fù)荷和熱負(fù)荷兩蒸發(fā)器明智。所以單位方案提出了建議。兩個(gè)蒸發(fā)器是用來(lái)生產(chǎn)中溫度水和干燥的空氣分開(kāi)，并電子的膨脹閥是用來(lái)控制兩蒸發(fā)器制冷劑間分布。然后，實(shí)驗(yàn)工作進(jìn)行了壓縮機(jī)頻率的影響、冷凍除濕能力上的分布、能源效率和制冷能力。最后，本文認(rèn)為，壓縮機(jī)頻率和制冷劑分布都能控制的，但前者除濕能力的影響比后者曾更多，而后者影響制

44、冷能力超過(guò)前者。我們可以找到一個(gè)合適的運(yùn)行點(diǎn)在某些明智和潛在的冷負(fù)荷調(diào)節(jié)壓縮機(jī)頻率和電調(diào)節(jié)閥兩者。的能源消費(fèi)這種單位進(jìn)行了估算，并與目前相比空調(diào)，~表明它可以節(jié)省約41%空調(diào)能耗。</p><p>　　在通風(fēng)標(biāo)準(zhǔn)，總是忽略室內(nèi)相對(duì)濕度在過(guò)去，因?yàn)槿绻鄬?duì)濕度保持在30%和70%之間。在長(zhǎng)江地區(qū)，室外空氣濕度很高，所以全年負(fù)荷需要考慮的空調(diào)系統(tǒng)設(shè)計(jì)。江伊等開(kāi)始研究溫度和濕度的控制系統(tǒng)1990 x。他們指出低溫冷源提

45、供必須第六版拆卸兩個(gè)明智的潛在的負(fù)載，這是一個(gè)能量的浪費(fèi)，因?yàn)槊髦堑呢?fù)荷可以通過(guò)拆卸更高——真正的冷源彩畫(huà)。他們發(fā)明了一種液體干燥劑除濕系統(tǒng)來(lái)控制濕度和冷水中溫冰箱控制溫度。</p><p>　　然而，液體除濕往往太大、太貴了，住宅。因此，開(kāi)發(fā)一種新型的住宅建筑的空調(diào)控制的溫度和濕度是很獨(dú)立的問(wèn)題。我們面臨和解決。</p><p>　　輻射板是一種新型的空調(diào)裝置移除熱量輻射。在給水溫度不能

46、超過(guò)室內(nèi)對(duì)冷凝溫度在它的表面。然而，供水溫度總是在晚間7攝氏度，這遠(yuǎn)遠(yuǎn)低于露點(diǎn)溫度的室內(nèi)。換熱器或混合閥門(mén)需要冷水中溫(大約18度)，這顯然是一個(gè)浪費(fèi)根據(jù)熱力學(xué)第二定律。因此，生產(chǎn)中溫度冷水直接是解決問(wèn)題的莫過(guò)于，他近在身旁。</p><p>　　與此同時(shí)，干燥的空氣是必要的補(bǔ)償室內(nèi)潛熱負(fù)荷可能發(fā)生;否則，冷凝表面上的輻射板。</p><p>　　在本文中，我們開(kāi)發(fā)了一種高效住宅空調(diào)裝置，

47、適用于生產(chǎn)中溫度和干燥的空氣冷水處理明智的負(fù)荷和潛熱負(fù)荷另行規(guī)定。</p><p>　　在寒冷的除濕送風(fēng)處理，去除表面空氣冷卻器的水汽。的溫度和濕度的空氣都是比例降低，使它可以控制整個(gè)室內(nèi)濕氣蟾蜍，而進(jìn)行的一部分，明智的熱負(fù)荷。從的角度來(lái)看，en -寬保護(hù)，假定我們供應(yīng)在空氣的溫度。</p><p>　　在一定條件下濕負(fù)荷，供給室內(nèi)空氣流動(dòng)速度的變化與溫度。如果溫度的送風(fēng)相對(duì)高，如敞開(kāi)式，

48、16℃，濕度比相對(duì)較高，因此，它水分的單位~空氣流量，所以這些補(bǔ)充進(jìn)來(lái)的空氣流量必須擴(kuò)大到除濕滿足。相反，送風(fēng)溫度低，少，產(chǎn)生的空氣流量需要。這些補(bǔ)充進(jìn)來(lái)的空氣流量在不同的供應(yīng)是在圖1。</p><p>　　對(duì)住宅建筑室外空氣流量是由的速度。因此，在住宅，地區(qū)室外空氣流量不變，而空氣流量根據(jù)其變化。因此，最低送風(fēng)可以獲得最低因?yàn)槭彝饪諝饬髁康牧髁俊?lt;/p><p>　　從圖2和圖3，我們可

49、以發(fā)現(xiàn)送風(fēng)溫度下降與室內(nèi)濕負(fù)荷。在相同的供應(yīng)供給流量增加在應(yīng)用、專用室外空氣空氣加強(qiáng)型回風(fēng)都是經(jīng)常使用的。</p><p>　　在專用室外空氣系統(tǒng)，提供較低，所以它的冷源效率相對(duì)較低的能源系統(tǒng)，可以大大降低效率。但它處理室內(nèi)負(fù)荷、少，高溫冷源來(lái)進(jìn)行更多的負(fù)荷，可以提高系統(tǒng)的效率。為了研究是否專用室外空氣系統(tǒng)或戶外美國(guó)回風(fēng)系統(tǒng)高效、數(shù)值模型設(shè)立的估計(jì)他們的演出。</p><p>　　研究結(jié)果

50、表明，如果被用于送風(fēng)除去水分，能耗低于事實(shí)是只有室外空氣研究結(jié)果表明，如果被用于送風(fēng)除去水分，能耗低于事實(shí)是只有室外空氣是用來(lái)除去水分。作為一個(gè)結(jié)果，空氣單元的設(shè)計(jì)要根據(jù)室外空氣加強(qiáng)型回風(fēng)流量。</p><p>　　不同的低溫冷源和高溫冷源可以用來(lái)處理室內(nèi)濕負(fù)荷和感熱負(fù)荷。在下表中，設(shè)備和他們需要的溫度都列在上面。</p><p>　　在圖6，研究結(jié)果表明，當(dāng)干盤(pán)管擴(kuò)張是用來(lái)處理室內(nèi)明智的

51、熱負(fù)荷，能源消費(fèi)比使用輻射板。這是因?yàn)橹评鋭峥諝庵苯咏涣?，沒(méi)有生產(chǎn)中溫度冷水，所以蒸發(fā)溫度會(huì)更高的顯熱處理單元。然而，這些類型的森圣經(jīng)熱處理單位很少用到的應(yīng)用前景。相反，輻射板可廣泛用于獨(dú)立，單位的設(shè)計(jì)是為了提供干送風(fēng)和中等彩畫(huà)吸引冰冷的水里。泡時(shí)的部分，如“開(kāi)關(guān)”的控制系統(tǒng)，廣泛運(yùn)用于室內(nèi)濕度，所以不能適當(dāng)控制水汽可以濃縮在水面上的輻射板。因此，對(duì)冷凍技術(shù)應(yīng)變量控制室內(nèi)濕度不斷。</p><p>　　如果是用

52、毛細(xì)管節(jié)流總監(jiān)、節(jié)流能力是固定的制冷劑質(zhì)量流率在兩蒸發(fā)器比也不變。結(jié)果，當(dāng)水分負(fù)荷的增加，總制冷劑質(zhì)量流率必須加強(qiáng)以滿足的要求也提高除濕冷卻能力。但這將冷負(fù)荷不得增加濕負(fù)荷，所以室內(nèi)溫度會(huì)降低。同樣的，當(dāng)室內(nèi)濕負(fù)荷減少，如果年底冷卻能力需要一直保持室內(nèi)溫度代替，使制冷劑質(zhì)量流率，從而也將代替，室內(nèi)濕上升。</p><p>　　這些個(gè)案將使人感到不舒服，能源浪費(fèi)。電子的膨脹閥可以調(diào)整制冷劑質(zhì)量流率控制在兩蒸發(fā)器除濕

53、和冷卻能力。因此，電子的膨脹閥應(yīng)控制制冷劑質(zhì)量流率，以滿足除濕空調(diào)冷負(fù)荷在同一基于以上分析，統(tǒng)一蒸發(fā)溫度控制空調(diào)系統(tǒng)獨(dú)立的設(shè)計(jì)和制作。</p><p>　　從的角度來(lái)看，熱動(dòng)力學(xué)、熱循環(huán)的這種簡(jiǎn)單的單位作為普通空調(diào)機(jī)組。但這兩個(gè)蒸發(fā)器一起工作，以滿足你的需求和冷卻除濕，所以工作狀態(tài)下的兩個(gè)蒸發(fā)器進(jìn)行研究，以獲得必須運(yùn)行點(diǎn)的單位在不同濕負(fù)荷和冷卻負(fù)荷。實(shí)驗(yàn)工作進(jìn)行了研究其性能在不同的場(chǎng)合。</p>&

54、lt;p>　　為了獲得室外空氣溫度的影響，室內(nèi)溫度、室內(nèi)空氣相對(duì)濕度、壓縮機(jī)頻率、制冷劑兩蒸發(fā)器業(yè)績(jī)的單位，通過(guò)正交實(shí)驗(yàn)設(shè)計(jì)。</p><p>　　通過(guò)正交實(shí)驗(yàn)單位進(jìn)行，結(jié)果表明，壓縮機(jī)的頻率的分布在空氣側(cè)制冷劑和水側(cè)除濕能力有重要影響作用、冷卻能力和效率。從單位性能研究，得出運(yùn)行點(diǎn)和機(jī)組的能效比，因此，在不同情況下的能耗單元中冷卻可以第六版估計(jì)。結(jié)果表明，統(tǒng)一蒸發(fā)溫度獨(dú)立控制單元，能節(jié)省約41%的能耗比普

55、通的房間從而控制室內(nèi)溫度而已。</p><p>　　兩個(gè)蒸發(fā)器是用來(lái)生產(chǎn)中溫度和干燥的空氣，水和電分別是用來(lái)控制膨脹閥制冷劑兩蒸發(fā)器間分布。然后，實(shí)驗(yàn)工作的影響進(jìn)行了研究，制冷壓縮機(jī)頻率分布對(duì)除濕能力、能源效率和制冷能力，這導(dǎo)致了這樣的結(jié)論，這兩個(gè)壓縮機(jī)頻率和冷凍除濕能力分布可以控制，但前者的影響比后者曾更多，而后者的影響超過(guò)前者制冷。我們可以找到一個(gè)合適的運(yùn)行點(diǎn)一定明智的和潛在的冷負(fù)荷調(diào)整兩頻率和電子的膨脹閥。