熱循環效率 的英文怎麼說
中文拼音 [rèxúnhuánxiàolǜ]
熱循環效率
英文
efficiency of cycle- 循 : 循動詞(遵守; 依照; 沿襲) follow; abide by
- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 率 : 率名詞(比值) rate; ratio; proportion
- 循環 : circulate; circle; round; repeat; loop; period; recurrence; cycling; circulating; mixing; circula...
- 效率 : productiveness; efficiency; productivity; workpiece ratio
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Heat engine efficiency in elliptical reversible cycle of ideal gas
理想氣體的橢圓形可逆循環過程的熱機效率The equipment can be used in the immersion, heat regurgitation, the extraction of aromatic ingredient, the recovery and forced circular extraction of residue organic menstruum and pot countercurrent extraction of traditional chinese drug, foodstuff and chemical industries with advantages of high efficiency and convenient operation
本設備用於中藥食品化工行業的常壓水煎溫浸熱迴流強制循環滲透芳香油提取及有機溶媒回收等多種工藝操作。具有效率高操作方便等優點。機組裝置選材優良,廣泛應用於制藥食品化工等行業揮發油的提取。The ejected coolant interacts with the external flow near the endwall and generates aerodynamic and thermodynamic losses in the process. this reduces turbine stage efficiency and together with the consumption of cooling air is detrimental to the overall cycle efficiency
但這種方法中噴射的冷空氣與端壁附近的外流場相互作用產生氣動力和熱動力損失,並且消耗冷卻空氣,從而損害渦輪的整體循環效率。By using a same boundary dimensions high efficient and new type copper exchanger substituted carbon steel oil condenser, and increasing flow rate of circulation water to reduce the temperature of freezing oil which feeds into compressor stage, to eliminate the malfunction during compressor operation, and improve running efficiency of the machine
採取將碳鋼材質的油冷卻器更換成等外形尺寸的高效新型銅管換熱器、增加循環水流量的方法,降低了進入二段壓縮機冷凍油溫度,排除了壓縮機運行中的故障,改善了機組的運行效率。In order to approach the carnot efficiency, the processes involved in the heat engine cycle must be reversible and involve no change in entropy
為了接近卡諾效率,所涉及的過程,在熱機循環必須可逆且涉及沒有改變熵。The charge and discharge performances of different composites were studied by the charge and discharge ; the structures of composites were characterized by sem ; the electrochemical properties of sulfur positive materials were characterized by cyclic voltammetry and eis. we studied the charge process, discharge process, charge - discharge efficiency, self heat, and self - discharge of lithium - sulfur system on system shuttle constant, conduct the mechanism of these processes and simply analyse them
以充放電技術研究了不同類別復合正極的充放電性能;以掃描電鏡技術觀測了復合正極的表面形貌;以循環伏安技術和交流阻抗技術研究了復合正極電極的電化學性能;並初步探討了鋰-硫電池體系中充電過程、放電過程、充放電效率、自熱和自放電等對體系飛梭常數的影響,推導了這些過程的機理並簡要的進行了分析。One effect of the 1970s oil shock was to encourage people to buy cars with diesel engines, which are usually more efficient than otto - cycle engines
20世紀70年代出現的石油危機其中的一個影響就是導致人們去購買熱效率比奧托循環發動機(汽油機)高的柴油機。With high efficiency in heat transferring, heat - pipe is a new king of component ordevice. the heat transfer of heat pipe is carried out by phase change of the medium and continuous loop of the medium
熱管是一種新型的傳熱元件,由於是以內部工質相變和連續工質循環實現熱量傳遞的,因此具有較高的傳熱效率。Three schemes for this technology were given, including air - blown gasification, recycle gas - blown gasification and steam & recycle gas - blown gasification, which were computed and analyzed. due to different conversion ratio of coal and different temperature that gas enters into gas turbine, the different results were got and analyzed, such as gas heat value, gasification efficiency and generation efficiency
本文針對空氣氣化方案、再循環煤氣氣化方案以及水蒸汽+再循環煤氣氣化方案對煤部分氣化聯合循環發電系統進行計算分析,根據不同的碳轉化率以及煤氣進入燃氣輪機前不同的溫度,得出不同的煤氣熱值、氣化效率、發電效率等,並進行了分析,提出了適合不同目標工業應用的煤部分氣化方案。Moreover, the expressions of the mean index pressure and thermal efficiency are showed, and the effect of operative parameters and structural parameters on them are analyzed quantitatively
定量地分析了有關參數對平均指示壓力和熱效率的影響,並與汽油機進行了理論循環參數的對比。In the second chapter, firstly, based on the analysis of theoretic cycle of hydrogen engine, the relations between state parameters in four strokes are established
以氫燃料發動機的理論循環為基礎,進行了各工作過程狀態參數的計算分析,得出了描述理論循環動力性和經濟性,即平均指示壓力和熱效率的表達式。With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics
熱電聯產系統熱電相互牽連,熱泵供暖(空調)系統不容易很好地滿足尖峰負荷,鍋爐供暖系統供熱中天然氣燃料構成的成本過高,內燃機雙源供暖(空調)系統的高發電效率僅限於100kw - 1000kw負荷范圍,供熱面積有限。對于大面積的商業園區、居民小區,燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖(空調)系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性,結合北京某一商業園區示範工程,進行了系統的計算與分析,得到了有效的數據與結論,在此基礎上,提出影響聯合循環雙源供暖(空調)系統經濟性的主要因素,並進行敏感性分析,得出有益的結論;最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解,並指出系統的優化方向。Considering the weakness of the solar - power adsorbers in refrigeration / air conditioning, such as the effects of heat collecting in desorption period and heat loss in adsorption period, here, a new adsorber is proposed ? ? evacuated tube which is cooled by water. simulation calculations and experiments have been performed. with a view to the intermittent characteristics of solar - powered adsorption, a continuous cycle operation for the adsorption refrigeration cooling system with active carbon fibre ( acf ) - methanol adsorption refrigeration working pair is carried out
本文針對目前太陽能固體吸附式製冷系統中吸附集熱床在解吸階段集熱效率不高和在吸附階段散熱效果不理想的狀況,以及針對太陽能固體吸附製冷系統循環的間歇性,本文提出了一種新型吸附集熱器:真空集熱管?水冷型吸附集熱器,以活性炭纖維?甲醇為工質對實現連續製冷循環方式,並對其進行了相關的性能實驗和數值模擬計算。Starting from the frozen food and refrigeration principles and using comparative analysis method, we get conclusions that in the blow - frozen device, the open - mode, cold - quantity reclaim, low - press, direct - cooling air, absorbing - heat air cycle have the most significant reductions in food freeze dry cost, food hygiene, devices delicate, organizating air stream, non - electrical heat, high efficiency and safe refrigeration etc. the cold - cumulating and dryness tin is the equipment which applys the store - release characteristic of cold - cumulating stuff, ensures the higher efficiency of open - mode cold - quantity reclaim low - press direct - cooling air, shoulders conveyance of the saturated and frozen air to frozen storeroom to reduce dry cost of food and dry the cycling air to ensure safe and reliable
從食品冷凍和製冷原理入手,用對比分析方式得到了在吹風式凍結裝置中,開式回冷低壓直接冷卻吸熱循環空氣製冷機具有最大幅度降低食品凍結乾耗、確保食品冷凍安全、系統簡單、凍結庫小巧、氣流易於組織、無電機熱量、效率較高和製冷安全等結論。蓄冷乾燥器是通過蓄冷材料的蓄?釋冷特性,來保證開式回冷低壓直接冷卻吸熱循環空氣製冷機具有較高的效率,同時蓄冷乾燥器還擔負著輸送飽和低溫空氣至凍結庫以降低食品凍結乾耗和乾燥循環空氣以確保整機安全可靠工作的主要設備。The coefficients of these concepts can be given as equivalent heat drop and rate of bleeding. as a quantitative analysis method of auxiliary system, it is so convenient that multi - cycle theory can be further perfected
上述概念可以象抽汽等效熱降和抽汽效率一樣作為一次性參數給出,作為輔助系統熱經濟性的定量分析方法十分方便,從而以此完善了多重循環的分析方法。The computational method of efficiency of heat engine on elliptical reversible ideal gas
橢圓形可逆循環過程的熱機效率計算Relationship between the efficiency of heat engine and cyclic direction of the irreversible heat engine
不可逆熱機的熱機效率與循環方向的關系The conclusion is that if an appropriate refrigerant mixture is used, the lhr cycle can have a relatively higher thermodynamic efficiency than that of basic cycle, in case their pressure ratios are the same. the thermodynamic efficiency can be further improved when the acr cycle is used
研究結果表明,正確地選擇混合工質,在相同的壓比下,可使lhr循環比基本循環具有更高的熱力學效率,而採用acr循環可以較lhr循環更進一步提高循環的熱力學效率。The aim of this study is to compare the thermodynamic characteristics of different j - t refrigerator cycles with mixed refrigerant in - 40 " c ~ - 120 " c temperature range and to find out the refrigerator type with high thermodynamic efficiency and high reliability, as well as the corresponding optimum composition of the refrigerant mixture
本文的研究目的就是通過理論和實驗兩方面深入的分析和比較各類混合工質節流製冷機循環在- 40 - 120溫區的熱力學性能,探求其中的內在規律,找到該溫區內具有較高熱力學效率和高可靠性的製冷機型式以及相應的最優混合工質成分。This paper gives an example that is a project about repowering 2 50mw coal - fired plant as combined cycle. it is found out that after full firing repowering, the absolute efficiency gain is 4. 62 % and after feed water heating repowering, the absolute efficiency gain is 2. 78 %
本文結合2 50mw燃煤機組改造為聯合循環的方案實例,計算出排氣助燃型聯合循環系統更新改造使原燃煤機組絕對效率提高了4 . 62 % ,給水加熱型聯合循環系統更新改造使原燃煤機組絕對效率提高了2 . 78 % 。分享友人