相變製冷 的英文怎麼說

中文拼音 [xiāngbiànzhìlěng]
相變製冷 英文
freezing by change of state
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 冷 : Ⅰ形容詞1 （溫度低; 感覺溫度低） cold:冷水 coldwater; 你冷不冷? do you feel cold?; are you feeling...
  1. Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted

    在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。
  2. Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control

    與一般的建築空調相比，汽車空調的工作環境惡劣，條件差，控制難度要增加很多，主要體現在以下幾個方面：一是車外熱負荷變化大，難以確定控制參數；二是要求空調負荷大，而且要控制空調使其降溫迅速：三，不便於用電力作為動力源，必須用汽車發動機或輔助發動機來帶動壓縮機，當採用汽車發動機作為動力源時，由於汽車的車速變化大，發動機轉速的變化可從600r min到4000r min ，壓縮機轉速與發動機轉速成正比，其轉速變化高達7倍，給空調系統製冷劑流量控制帶來困難。
  3. Temperature kits : contact must be properly fixed in the evaporator export pipelines, real - time communication evaporator components to temperature degrees, the material will be filled through interlinked capillary pressure due to the expansion of corrugated boxes ; swelling corrugated boxes on the pressure for change in the thrust pole with an adjustment screw and spring - loaded ball - type valves to adjust the resistance of the degrees of refrigeration volume precision adjustments

    感溫包：是必須妥善接觸固定在蒸發器的出口管道上，感知蒸發器實時回氣溫度的部件，它將充填物質的熱脹冷縮壓力通過相通的毛細管提供給膨脹波紋箱；膨脹波紋箱依據壓力的變化推動推力桿結合過熱度調整螺絲和彈簧的阻力來調整球型閥的開度，實現製冷量的精確調整。
  4. According the characteristics of heat exchanger, the number of flow phases and the flow structure in the heat exchanger vary when heat transfer area, heat transfer coefficient or pressure change. subsection models was founded respectively, and that the simulation model has been set up through advanced continuous simulation language ( acsl ) correspondingly

    針對換熱器動態工作過程中各相區的換熱面積、換熱系數、壓力的變化會引起製冷劑相區數目和相區組合發生改變的特點，分別建立了各種組合結構的數學模型，並運用acsl實現了它們的模擬模型。
  5. According to the study of this project, we discovered the perfluorotriethylamine, a environment - protection evaporative cooling agent, and carried through the research on the process of fabricating, thermal nature, and heat exchange experiment on the evaporative cooling transformer model

    通過對相變降溫的研究，我們找到了一種環保型的蒸發製冷介質? ?全氟三乙胺。對其制取過程以及其熱物性進行了研究，並在蒸發冷卻變壓器模型上對其進行了換熱降溫實驗。
  6. At the same time, experimental study on boiling heat transfer by changing mass flow of refrigerant, mass flow of water, and inlet temperature of water was also finished. and then the performance of miniature evaporator was estimated

    本文完成了液單相、兩相熱平衡實驗和阻力特性實驗，研究了製冷劑在管內流動的壓降;同時進行了微型蒸發器流動沸騰實驗，通過改變製冷劑質量流量、水的質量流量、水的進口溫度等，實現了對微型蒸發器的性能評價。
  7. Simultaneously how to reduce the quantity consumed by the system of refrigerating is also a forward question for study in thermal - physical engineering. at the basis of analyzing thoroughly the stirling - cycle, the thesis puts forward a new refrigerating cycle in house - hold refrigerator, which adopts the two - state, two - component working fluid

    本文在對stirling循環深入分析的基礎上，利用其定溫吸熱、放熱的優點，同時採用相變工質作為製冷劑，利用其在低溫下氣化吸熱製冷單位質量工質的製冷量大的特點，提出了採用雙相雙組份工作介質的新型家用冰箱的製冷循環。
  8. This experiment include many contents, in a word, that is summer condition experiment, winter condition experiment > summer - winter transition condition experiment and winter - summer transition condition experiment, furthermore summer condition experiment still include flux changing experiment and winter condition experiment still include thermal balance experiment this article dealt with the data of the test, calculating out energy absorbing ( energy discharging ) of buried pipe in winter condition ( summer condition ), input power of heat pump x heat exchanging of piece buried pipe length x co - efficiency performance ? op ( energy efficiency rate ? er ) and average heat exchanging coefficient ; in additiont this article compares the inlet water temperature and outlet water temperature of underground the first layer and the second layer buried pipe when heat pump was running, the results are that the heat exchanging ability of the second layer buried pipe outgos the first layer buried pipe, and heat exchanging is more stable ; and still analyse earth temperature resuming in the transition season. the results are earth temperature resume fast in the first week when the heat pump runs off

    本文測試內容相當多，概括地說就是四個工況的測試，即夏季製冷工況的測試、冬季供熱工況的測試、夏?冬過渡季測試和冬?夏過渡季測試；另外在夏季工況的測試中還進行了變流量測試，在冬季工況的測試中還進行了熱平衡測試。本文對測試數據進行了處理，計算出了冬（夏）季工況埋管吸（放）熱量、熱泵空調器供熱量（製冷量） 、熱泵空調器輸入功率、埋管單位管長換熱量、供熱性能系數（製冷能效比）和平均傳熱系數等；另外，還比較了熱泵運行時地下一二層埋管進出水溫度變化情形，得出地下二層埋管換熱能力優于地下一層埋管，且換熱很穩定；並分析了過渡季地下一二層埋管溫度恢復情形，得出熱泵系統停機一周內地溫恢復特別快。
  9. The research results show that the counter - flow condensers have a better performance than that of other arrangements in single - circuit condensers, and that branch flow should be adopted in multi - rows condensers to decrease the pressure drop and increase the heat transfer capacity, and that the influence of gravity force can not be ignored, and that there must be an optimum refrigerant mass flow which can make the condenser perform best when the air velocity is constant while there must be an optimum air flow which can make the condenser perform best when the refrigerant mass flow is constant

    研究結果表明，單迴路冷凝器中，逆流布置換熱效果最好，叉流其次，順流最差；多排管冷凝器應盡可能採用分流方式，以減小壓降，增強換熱；布置冷凝器流程時，重力的影響不可忽略；當風量不變時，必然存在一最佳製冷劑流量使冷凝器性能達到最佳；當製冷劑流量保持不變時，也相應存在一個最佳風量使冷凝器性能最佳。
  10. The magnetic ground state of lafe _ ( 11. 4 ) al _ ( 1. 6 ) cx compound changes from antiferromagnetic to ferromagnetic for x > 0. 06 and the curie temperature increased monotonously with the increase of carbon content. a large magnetic entropy change was obtained near the phase transition temperature and the refrigerant capacity is good

    當碳含量高於0 . 06時，化合物的基態由反鐵磁變為鐵磁且居里溫度隨c含量的增加向高溫區移動，在各自相變溫度附近保持較大磁熵變，具有良好的磁製冷能力。
  11. An essential component of the cooling system, the fan shroud has undergone considerable development - modularity, integration into the front panel, new constraints such as greater proximity to the catalytic converter or more critical dynamic stress, and the search for lower costs - all of which have introduced new restrictions

    作為製冷系統中的一個不可缺少的部件，風扇支架已經歷了相當大是發展-模塊化，與前擋板結合，新的制約條件例如更接近催化變頻器或更苛刻的動載應力，以及降低成本的研究-所有的這些都引進了新的限制。
  12. The software has six modules : thermo physical property of working medium, design of heat pipe lithium bromide - water generator driven by waste heat, system design of single or double lithium bromide - water refrigerators with heat pipe, performance simulation of single or double lithium bromide - water refrigerator with heat pipe in varying duty, thermodynamic parameters of each state, thermodynamics analyses. the software makes the design more convenient and correct. it can be used to compare the design of multiparameter and select deferent design methods according to different needs

    考慮到這種情況，本文在查閱相關文獻的基礎上，開發了煙氣驅動的熱管廢熱溴化鋰製冷機的系統設計和變工況性能模擬軟體，該軟體分為6大模塊：工質熱物性模塊、熱管溴化鋰廢熱發生器設計模塊、單/雙效熱管廢熱溴化鋰製冷機系統設計模塊、單/雙效熱管廢熱溴化鋰製冷機變工況性能模擬模塊、各狀態點熱力參數模塊和熱力學分析模塊。
  13. It is discussed in this paper that the possibility of vapor compression refrigeration technology applied in the area of portable refrigeration, and a refrigeration scheme is presented which is based on a three phase variable frequency and adjustable speed miniature compressor

    通過對現階段國內外便攜式製冷技術的研究，本文主要探討了蒸汽壓縮式製冷技術應用於便攜式製冷領域的可能性，由此提出採用三相變頻壓縮機的製冷方案。
  14. Combined with the key project " the design of evaporative cooling transformers " of hebei province, the thesis not only carries out some theoretical explorations of the application on electrical transformers, but also presents the method on selecting coolants and studies the characteristics of the selected coolant. then it proposes the design method of the tank structure and cooling systems of evaporative cooling transformers for the industrial application

    本文結合河北省科技攻關項目「蒸發冷卻變壓器的研究」 ，對電氣設備相變降溫的理論進行了探討，提出了蒸發冷卻變壓器箱體結構和冷卻系統的設計方案；對冷卻介質的選用和相關特性進行了研究；針對工程實際研製了一臺容量為30kva的蒸發冷卻變壓器樣機，並進行了相關實驗。
  15. Thirdly, we developed a spectrometer for spectrum diagnosis of soft x - ray pulse sources, and used it to measure spectra of liquid o2, co2, cf4, kr and xe spray target lpp sources in 6 - 20nm band for 8x 10uw / cm2 laser irradiance the results coincide with cowan calculation fairly well

    其次，利用低溫製冷技術研製出一臺可連續控溫的液體微滴噴射靶lpp光源。光源具有連續和脈沖噴射兩種工作模式，能使用多種氣?液相變溫度高於液氮溫度的非腐蝕性氣體工作。
  16. First of all, based on studying the transient behavior of refrigeration system, it was deduced of the mathematical models in the stable process of refrigeration system and brought to light of the heavy inertia, hysteresis coupling in refrigeration system. these results were comfirmed to be valid by a large number of experimented results. the second, to couter the characteristics of refrigeration system, reseached many control algorithms for working conditions

    首先，在研究製冷系統動態特性的基礎上，推導製冷系統穩定過程各主要變量間的定量關系，揭示了製冷系統的大慣性、相關性、滯后性，並進行了大量的實驗加以驗證；然後，針對製冷系統的特點，研究多種工況控制策略，提出d p轉換的軟實現概念，在此基礎上，又提出了概率控制律，並將專家調節器應用於實際控制之中；最後，提供了整個壓縮機測試系統的硬、軟體實現? ? yzc - 500型製冷壓縮機測試系統。
  17. The relationships between the cycle cop ( coefficient of performance ), the cooling capacities ( qe ) of the system and the hot air temperature, between cop, qe and the ambient air temperature, relative humidity, between cop, qe and the wet air temperature at the generator upside, between the system general efficiency and the hot air temperature are found

    得出系統製冷量、 cop值、總效率隨環境空氣溫度和相對濕度、太陽能集熱板出口空氣溫度以及發生器出口空氣溫度的變化關系。通過研究發現，當熱空氣達到一定溫度時，循環具有較好的穩定性。
  18. Composition shift due to phase hold - up in two phase flow for multicomponent mixed - refrigerant

    兩相流中相積存造成多元混合製冷劑濃度變化分析
  19. In order to solve this problem, this paper analyzes the fault diagnosis method for chillers using wavelet packet analysis. this paper simulated 9 faults including decreasing of cooling water flow, decreasing of refrigerant and non - condense gas existed and so on. it also analyzed the fault diagnosis technology combined theory and experiments

    本論文模擬了冷卻水量改變、有不凝性氣體、製冷劑流量減小等九個故障，並採用理論分析與實驗驗證相結合的方法對單螺桿式冷水機組的故障診斷技術進行了研究。
  20. The dispersed microcapsules can be used as a latent functional thermal fluid to improve the heat transfer efficiency in the fields of refrigeration and air - condition

    該相變材料微膠囊的分散液可用作潛熱型功能熱流體，應用於製冷空調領域，以提高換熱效率。
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