排量壓縮機 的英文怎麼說
中文拼音 [bèiliángyāsuōjī]
排量壓縮機
英文
displacement compressor-
Piston stroke measurements in variable displacement compressors
變排量壓縮機活塞行程測量方法及應用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。Abstract : various measurement methods of the capacity of gas discharge forpiston type compressor are analized and compared. the orifice choke device that is suitable for measurement in site is recommended emphatically. in combination with the example of measurement in site, the matters needing attention of measurement in site on the capacity of gas discharge for compressor are point out
文摘:對活塞式壓縮機排氣量的各種測量方法進行了分析比較,著重介紹了比較適合於現場測量的孔板節流裝置,並結合現場測量實例指出了壓縮機排氣量現場測量應注意的問題。Making use of many layers composite technique and heat press technique to make artificial skull, through a series of performance testes ( including elongate performance, compress performance, curve performance, concussion performance, lay cut performance, concussion cut performance ), making use of drainage method to calculate its average density, which is 1. 25kg / m3, and combustion method to calculate its content of macromolecule, which is 57. 7 %
利用多層復合技術和模壓技術制備來的人工顱骨復合材料,通過對其一系列性能測試(包括拉伸性能、壓縮性能、彎曲性能、沖擊韌性、層間剪切強度和沖擊剪切強度等) ,證明了該復合材料具有良好的物理機械性能。採用排水法計算復合材料的平均密度為1 . 25kg m ~ 3 ,採用灼燒法計算復合材料的含膠量為57 . 7 ,證明該復合材料比強度較高。Moreover, it has been pointed out that the hydrogen engine used in ? cylinder injection with high pressure can increase volumetric efficiency and compression ratio, - therefore, the performance indexes in this engine, such as output power, thermal efficiency, range of thickness of mixture with normal operation and nox emission, can be improved, and it is possible for the engine to realize rapid combustion of thin mixture, so abnormal combustion, such as backfire, pre ? ignition, can be controlled effectively
指出了採用內部混合氣形成方式且高壓噴射的氫發動機,有利於提高充氣效率和壓縮比,從而改善發動機的動力性和經濟性;有利於擴展發動機正常工作的濃度范圍;並且有利於實現稀薄混合氣快速燃燒,從而可以有效地抑制早燃、回火及爆燃等異常燃燒和no _ x排放量。試驗指出了發動機的點火正時、噴射正時及噴氫量對發動機的性能、異常燃燒、 no _ x排放量有很大影響。Reciprocating internal combustion engines - exhaust emission measurement - part 9 : test cycles and test procedures for test - bed measurement of exhaust gas smoke emissions from compression ignition engines operating under transient conditions
往復式內燃機.廢氣排放測量.第9部分:瞬時條件下工作的壓縮點燃裝置的廢氣煙霧排放的試驗床測量的試驗循環和試驗過程Reciprocating internal combustion engines - exhaust emission measurement - part 9 : test cycles and test procedures for test bed measurement of exhaust gas smoke emissions from compression ignition engines operating under transient conditions
往復式內燃機.廢氣排放的測量.第9部分:瞬間條件下工作的壓縮點火發動機廢氣煙霧排放的試驗床測量的試驗周期和試驗程序The primary measures for control precept are : sufficiently and effectively utilizing the the air compressors " interior data, realizing online surveillance and alarming for failure of the the air compressors " running interior parts ; letting the air compressors running by master and slave manner, by reasonable arranging the alignment of the air compressors, making the masters yielding pressed air and the slaves adjusting the pressure of the air. this decreases the times of loading and unloading greatly and the decreased failure of air compressors and low maintain ; at the same time we adopt abundant value of the set pressure for stabling the compressure. the air compressors become loaded or unloaded ahead by the abundant value ; caning unloading control for saving power, when the air compressors get along with unloading for a while, the system will stop them ; consummating the purposes for control, enhancing offline control for over - press and low - press, continual loading control and unloading control
經過分析研究,針對原來存在的問題,在控制方案上主要的改進措施有:充分、有效地利用了空壓機的內部參數數據,對空壓機的內部部件的運行情況實現了在線監視及故障報警;對空壓機採用了主、輔結合的運行方式,通過對空壓機加、卸載隊列的合理排序,使空壓機自動實現主機產氣、輔機進行氣壓調節,減少了空壓機的加載和卸載次數;在壓縮空氣壓力的穩定上進行了裕量控制,在壓縮空氣壓力不到供能品質所規定的上、下根就根據一定的裕量提前進行卸載和加載操作;在節約電能方面對空壓機進行了卸載停機控制,當空壓機在一定時間內一直處于卸載狀態,系統就認為該空壓機沒有運行的必要,自動將其停機;完善了控制效果,增加了超壓低壓脫網控制、連續加載控制、連續卸載控制等功能。The method of optimization is the complex method. the objective function is the opration expenses of the hydrogen system. there were six decisive variables : the pressure and temperature of the high - pressure separator of vrds, gas ration to the prism unit from vrds unit and ssot unit, the pressure of the high - pressure separator of ssot and the entrance pressure of the cycle hydrogen compressor
優化問題以氫氣系統的運行費用函數作為目標函數,選擇了6個決策變量,分別為: vrds高壓分離器壓力、溫度、 vrds和ssot裝置排入prism的氫氣量、 ssot高壓分離器壓力和循環氫壓縮機入口壓力。It depends on the length of delaying closing the valve plate to conduct the varying capacity and avoids some useless work, maintains the work ratio in a little range. in a word, it saves some energy
此調節系統根據延遲吸氣閥關閉時間的長短確定排氣量的大小,從而避免了壓縮機作無用功,在壓縮機氣量變化的情況下,維持比功率(排氣量與功率之比)幾乎不變,從而節約了能耗。A model of letting out of no oil ubricated double whirlpools vortex air compressor was set up, the length of leak line of one cycle was calculated the change of the leak line at work, the change of the length of leak line varying with the crank corner, and the change of the leak amount varying with the pressure of revealing atmospheric and crank corner were analyzed
摘要建立了無油潤滑雙渦圈渦旋壓縮機的泄露模型,根據型線的幾何理論計算了一個周期內泄漏線的長度,分析了在工作過程中泄漏線的變化,泄漏線長度隨曲柄轉角的變化,以及泄露量隨排氣壓力,曲柄轉角的變代情況。The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash
氣缸蓋的氣門排列方式與氣道結構形式影響進氣充量和氣流在氣缸內的運動,從而影響了燃燒效率,對整機的動力性、經濟性以及排放都有直接的影響;配氣機構的形式影響充氣系數和整機噪聲等;缸蓋燃燒室決定了影響整機動力性能的壓縮比,影響hc排放的f / v和對擠流起決定性作用的擠氣面積以及擠氣間隙,所以燃燒室對整機動力性、經濟性、排放等都有重要的影響;氣缸蓋是整機熱負荷與熱應力最大的部件之一,熱負荷過高將不利於發動機壽命以及可靠性的提高。Petroleum and natural gas industries - rotary - type positive displacement compressors - part 1 : process compressors oil - free
石油和天然氣工業.旋轉式正排量壓縮機.第1部分:加工壓縮機Petroleum and natural gas industries - rotary - type positive - displacement compressors - part 2 : packaged air compressors oil - free
石油和天然氣工業.旋轉式正排量壓縮機.第2部分:封裝空氣壓縮機Theory and experiment study of variable displacement control valve in automotive air conditioning compressors
汽車空調壓縮機變排量控制閥理論與實驗研究A ejector for is applied in this theory. it can not only regulate the evaporating temperature of each high - temperature refrigeratory but also reduce the back - pressure of the compressor when a system applies this theory. at the same time, the exhaust temperature of the compressor becomes low and the refrigerating capacity per unit of swept volume becomes high
鑒于目前這種現狀,本文提出了以噴射器為基礎的船舶高、低溫冷庫製冷新循環,不但可調節高溫庫的蒸發溫度,而且也可使壓縮機的回氣壓力得到提高,壓縮機排氣溫度降低,單位容積製冷量上升,製冷系數提高,火用效率提高。The analyzing result indicates that when the ambient temperature of compressor rises, the compressor works in an unfavorable ambient and the shell temperature and discharge temperature rise, while the performance and refrigeration capacity reduce. sealing the compressor can reduce the
分析結果表明:壓縮機環境溫度升高時壓縮機工作在一個十分不利的環境中,環境溫度的升高導致壓縮機的殼溫和排氣溫度升高,性能降低,製冷量減小。It will have a direct impact on the displacement compressors, power consumption and reliability of operation, the current compressor is fast direction, and rotational speed limit is one of the key issues in improving air valve
它的好壞直接影響壓縮機的排氣量、功率消耗及運轉的可靠性,目前壓縮機正向高速方向發展,而限制轉速提高的關鍵問題之一就是氣閥。Pressing - off inlet valve in partial stroke is one of the methods of air - regulating for reciprocating compressor, and it has economic, safe and well - fixing character
部分行程頂開吸氣閥進行排氣量調節是活塞式壓縮機氣量調節方法中的一種,具有經濟、可靠和安裝方便等特點。Considering the accurate and punctuality of the experiment, this paper finally chose the inhaling temperature and exhausting temperature as the feature parameters, established ‘ feature vector - system state ’ corresponding relationship
考慮到實驗的準確性和實時性要求,本論文最終選定壓縮機的吸氣溫度和排氣溫度作為特徵參數,建立了「特徵向量-系統狀態」的對應關系。分享友人