擬翅 的英文怎麼說
中文拼音 [nǐchì]
擬翅
英文
pterygoda-
Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。In this study, authors report three hundred and forty _ seven species of coleoptera insects which damage the agriculture and forestry in the northeast area of china. the insects which belong to thirty _ nine families have been given a detailed description of the specific distribution and feeding character in order to provide a scientific evidence for many workers of the agriculture and forestry and plant _ protector. in this paper, twenty _ three families are discussed that is cicindelidae, carabidae, hydrophilidae, staphylinidae, dytiscidae, elateridae, silphidae, histeridae, corynetidae, buprestidae, ostomatidae, nitidulidae, cybocephalidae, catogenidae, sivanidae, mycetophagidae, lathridiidae, ptinidae, bostrychidae, anobiidae, lyctidae, tenebrionidae, meloidae, totally eighty _ seven species
本研究作者報道了東北地區危害農業、林業的鞘翅目昆蟲347種，它們隸屬於39科，作者對這些種類的分佈及其取食特徵進行了詳細的描述，以期為廣大農業、林業及植物保護工作者提供科學依據.本文論述了23科，即虎甲科、步甲科、牙甲秒、隱翅蟲科、龍虱科、叩頭蟲科、葬甲科、閻甲科、陷附郭公蟲科、吉丁蟲科、谷盜科、露尾甲科、方頭甲科、扁甲科、鋸谷盜科、小覃甲科、薪甲科、蛛甲科、長蠹科、竊蠹科、粉蠹科、擬步甲科、芫菁科共87種。Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too
本文的內容如下： 1對翅片管蒸發器的結構特點進行分析，選取適當的微元體，對于干、濕工況下每個微元分別進行傳熱傳質分析，通過適當的假設，利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模型；對回熱器劃分微元建立了分佈參數數學模型；對氣體冷卻器建立了分佈參數數學模型；對壓縮機建立了數學模型；建立了節流閥的數學模型，為系統模擬奠定了基礎。The ants " quantity is 2203, and whose dominance index is 0. 2832. the quantit y of the rove beetles of the coleoptera is 1619, and whose dominance index is 0. 2081. the pyralids moths and outlet moths of the lepidoptera, the leafhoppers of the homoptera, the darking beetles of coleptera and blow flies of the diptera take the dominant place in moderate insect community
中性昆蟲群落中，以膜翅目蟻科種類及數量最多，其群落數量為2203頭，優勢度指數為0 . 2832 ；其次是鞘翅目隱翅甲昆蟲，數量為1619頭，優勢度指數為0 . 2081 ；再次是鱗翅目的螟蛾、夜蛾，同翅目的葉蟬，鞘翅目的擬步甲，雙翅目的麗蠅等昆蟲。Computer aided simulation of the plate - fin heat exchanger
板翅式換熱器的計算機模擬The plate - tube evaporator, the single back - fin evaporator and the box condenser. after analyzing the physical model and setting up the mathematical model according to the two - phase flow of adiabatic capillary tubes, it also numerically simulates and analyzes the different effects of main parameters on the capillary tube length. based on the heat transfer analysis and counting of thermal insulation layer, the cad system accomplishes the parametric design and drawings of the refrigerator body
該系統完成了對典型製冷裝置的換熱器部件，如板管式蒸發器、單脊翅片管式蒸發器、箱壁式冷凝器的參數化設計和繪圖；分析了絕熱型毛細管兩相流的物理模型，並建立數學模型，對絕熱型毛細管各主要參數對其長度的影響進行了數值模擬和計算分析；基於對電冰箱箱體絕熱層厚度的傳熱分析和計算，完成了整個箱體的參數化設計和繪圖工作。Numerical simulation of distributor configuration of plate - fin heat exchanger
板翅式換熱器導流片結構的數值模擬The tribe opatrini, belonging to the family tenbrionidae, is of great economic importance. since laporte de dastelnau set up the tribe in 1840, known 82 genera with about 900 species are occupied
土甲族opatrini是重要的農、林、牧業害蟲，隸屬鞘翅目coleoptera 、擬步甲科tenebrionidae 、擬步甲亞科tenebrioninae 。For the reason that the defrost methods of ashp can not satisfied the need of owners, a novel adaptive defrost method is brought forward, which is grounded on the modern modeling techniques and the change rate of tube - fine temperatures. the method integrates the surrounding conditions and the response of the ashp during operation
針對目前空氣源熱泵機組除霜過程中存在的問題，提出了一種基於現代模擬技術和管翅片溫度變化率為基礎的自適用控制技術，並探討了這種技術的如何實現問題，為實現真正的按需除霜提供了理論上的依據。Numerical simulation of flow behaviors and heat transfer characteristic of rectangular finned elliptical tube heat exchanger
矩形翅片橢圓管熱交換器流動和換熱特性的數值模擬The paper mainly describes the design, optimization, simulation and the parametric drawing of air - cooled plate - finned - tube evaporator
本文主要闡述了風冷翅片管式蒸發器的設計、優化、模擬與參數化繪圖。Numerical simulation of header construction of plate - fin heat exchanger
板翅式換熱器封頭結構的數值模擬Cfd simulation of fluid flow and heat transfer in channels of plate - fin heat exchangers
板翅式換熱器翅片通道中流體流動與傳熱的計算流體力學模擬Secondly, the temperature distribution in rib - tube heat exchanger in the course of heat transfer is programed and simulated using apdl language of fem software ansys, and the average convection coefficient of both sides is obtained. the rib - tubes with different structure are also simulated and optimized on the base of the calculated results, the relationship between structure and the average convection coefficient of both sides is summrized. the rib - tube structure is optimized using apdl. finally, combines numerical simulation with experimental research, and results of numerical simulation are found to be close to the experimental data
利用ansys有限元程序對翅片管換熱器的換熱過程進行數值模擬，確定了換熱過程中翅片管的溫度場和熱流量梯度分佈狀況，對翅片管換熱器的多組分流場進行計算，給出了逆流和順流兩種情形下翅片管結構參數對換熱效果的影響規律，並利用ansys提供的優化技術編寫程序對翅片管進行結構優化設計，為其今後在工業中的設計及使用提供了重要依據。Stabilization of amphiphilic polymer to the separation system of liquid membrane
平翅片傳熱與流動特性的數值模擬In order to study the operation characteristics of hpacdhws, distributed parameter simulation models of the fin heat exchanger and the plate heat exchanger are built up. the compressor model is founded in map - based method, and the thermodynamics expansion value model is built up in force balance method. the dynamic system model is the efficient connection of all component models by laws of equalization of mass, momentum and energy
為了研究hpacdhws的運行特性，本文利用分佈參數法分別建立了翅片管換熱器和板式換熱器的動態數學模型，採用圖形法和力平衡法分別建立了壓縮機和熱力膨脹閥的集總參數計算數學模型，並基於質量、動量和能量守恆定律等約束條件，建立了hpacdhws的動態模擬模型。3d - simulation of thermal process on the surface of corrugated fin and flat fin
換熱器翅片表面空氣流動熱力過程的三維數值模擬分享友人