進氣容積 的英文怎麼說
中文拼音 [jìnqìróngjī]
進氣容積
英文
admission space-
J. b. heywood, j. m. higgins, p. a. watts, and r. j. tabazynski, “ development and use of a cycle simulation to predict si engine efficiency and nox emissions ”, sae paper 790291, 1979
吳凱聲,四行程火花點火引擎進氣系統調諧與容積效率關系之研究,碩士論文,大葉大學,彰化, 1999 。The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper, as follows : 1. the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera
本文對某卷弧尾翼彈氣動特性進行了系統研究,主要內容與結論為: 1 .將卷弧翼按照相同投影面積的平板翼進行工程估算,得到升力系數、阻力系數、俯仰力矩系數、俯仰阻尼導數、滾轉阻尼導數曲線。Intake filter silencers for displacement air compressors
容積式空氣壓縮機進氣濾清消聲器Tree ring is a kind of natural archives, on which the isotopic analysis is important to study global climate and environmental change. the authors mainly provide a comprehensive introduction to the fractionation models of carbon, hydrogen and oxygen isotope in plants, their research techniques and the extract methods from cellulose. that results show isotopic tracer can record the message of climatic variation and has become a powerful tool for paleoclimate reconstruction and for the modern environment changing research. especially studying on pages, the cellulose isotopic analyses of imbedded old tree ring have become the mainly quantitative means of environmental evolvement. in addition, china is a typical monsoon country, research in tree ring stable isotope seasonal variation can give us a lot of important information on that. up to now, the research techniques and works on tree ring in our country are still in its earlier stage, and remain many limitations. it needs further accumulate basic research materials, intensify regional contrast and intercross studies on relative subjects
尤其是在過去全球變化pages研究中,埋藏古木纖維素中的碳氫氧同位素分析已成為環境演化研究的主要量化手段。另外,對于中國這樣典型的季風氣候國家,開展樹輪穩定同位素隨季節性變化的研究具有重要的意義。我國在樹輪研究方面起步較晚,研究方法和研究內容上也比較簡單,還存在不小差距,既要進一步積累基礎資料,又要做區域對比,加強與相關學科的交叉研究。With the numerical solution, an internal condensation critical curve can be calculated out by condensation theory and depositing theory, on the curve, the enter water ability equal to the out water ability, which can be used as the basis to determine the occurrence of internal condensation. but the result doesn ’ t coincide with the real completely. in this dissertation, we plan to get the critical curve by practical experiment results, because that the enter water ability only relates to the condensation density and the out water ability only relate to the volume ratio of the pneumatics system
然而由凝結理論和沉積理論得到的計算結果往往與實際有一定偏差,本課題希望通過實驗的方法獲得內部結露臨界線,即系統進水能力和排水能力相等的曲線,由於系統的進水能力和充放氣過程中凝結水滴密度有關,排水能力和系統容積比有關,可以通過大量實驗總結出以凝結水滴密度和容積比表示的內部結露臨界曲線,作為判別內部結露是否發生的依據。According to the deposit mained lithologic trap, lithologic - structure complex trap, the sedimentary system research is the base of reservoir assessment and prognosis. the gas concentration of shanxi group and xiashihezi group of permain system in tabamiao area was mainly constrolled by sedimentary facies belt. therefore, it is an important content in this geological research area that study sedimentary systems character of object layers, research combined character of subfacies and microfacies, and its regular between vertical evolution and reservoir sand bodies
對于以巖性圈閉、巖性?構造復合圈閉為主的氣藏,開展沉積體系的研究是進行儲層評價和預測的基礎,和鄂爾多斯岔地其它地區一樣,塔巴廟區塊二疊系山西組和下石盒子組氣層的富集主要受沉積相帶的控制,因此,區內目的層段的沉積體系特徵、亞微相組合特徵、垂向演化規律和有利儲集砂體分佈規律的研究就成為該區地質研究的一項重要內容。As reflected in the question " mr li and mr du, which one do you appreciate ", and the corresponding answers, " praising du fu, criticising li bai " phenomenon shows : contemporary college students have a strong sense of love and approve the confucian tradition, with a rational and realistic vision and love of classical poetry and artistic accomplishment ; but some respondents also just listed their notebook, accompanied with incomplete professional knowledge, single thinking and the serious emotional criticism, which we must implement the teaching curriculum and syllabus, and impart comprehensive, systematic and solid professional knowledge and quality, so as to improve the style of study and promote academic accumulation and innovation, and improve their character
摘要從「李杜二人,你更欣賞哪一位」試題和答卷所反映的「揚杜抑李」現象表明:當代大學生具有強烈的愛民意識、認同儒家傳統、對現實有理性化憧憬、對古典詩歌熱愛並有藝術素養需求;但答卷中也出現了羅列筆記、專業內容殘缺、思維單一和批評意氣的現象,這要求我們的教學必須落實課程目標和教學大綱,全面、系統、扎實地傳授與學習專業知識和素養,加強教風和學風建設,促進學術積累和創新,同時努力完善高尚人格。In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。Abstract : according to the characteristics of solid - liquid two - phase flow, the equation of motion and the equation of continuity for hammer computation are deduced in this paper. the equations are applied to analyze the effect of different prevention deveces used to relieve water hammer pressure in pipeline transport with displacement pumps. it is concluded that the air vessel and pressure relief valve are better than other devices
文摘:本文針對固液兩相流的特點,建立了水擊計算的運動方程及連續方程,並採用新方程對礦山常採用的容積泵輸送中使用的儲氣罐、泄壓閥、緩閉逆止閥等減緩水擊壓力的防護措施進行了計算分析,得出儲氣罐、泄壓閥減壓效果最好的結論。The construction of the control ring seal for the coal gas wash pump was improved, the seal function and capacity efficiency of pump was increased adopting the stainless steel cone control ring, the industry stability and economy energy was obtained
摘要對煤氣洗滌泵口環密封結構和材料進行改進,採用圓錐形不銹鋼口環,提高了密封性能和泵容積效率,工業運行穩定,節省了電源。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。Finally, being aimed at a certain machine model, a experiment research about the means of relief valve to reduce hydraulic impact is carried out, which prove the founded prove founded mathematics model. also, some pending coefficient are amended and the optimum pressure of relief valve is determined. at the same time, a experiment and emulation research about the means of accumulator to decrease hydraulic impact is carried put, in which the optimum pneumatic pressure and the optimum primitive capacity of accumulator were determined
最後針對某一具體機型,對用溢流閥方式減小液壓沖擊進行了實驗研究,驗證了所建立的數學模型並修正了待定系數,確定了溢流閥的最優調定壓力;對用蓄能器方式減小液壓沖擊進行了實驗和模擬研究,確定了蓄能器的最優充氣壓力和最優初始容積。Research on volume identification with the method of discharging at the velocity of sound
利用聲速排氣法進行容積辨識的研究The capacity method is adopted to calculate the pressure on exhaust pipe, at the mean time, exhaust gas turbocharger is also calculated
對排氣管內壓力採用容積法計算,同時對廢氣渦輪增壓器進行了計算。A gas sampling system was designed to accurately provide testing gases in demanded concentrations, and two other were specialized for the application in the identification of different brands of cigarettes and the detection of alcohol with gasoline interference. array chambers of different structures were fabricated, and the influence of the chamber ' s dimension and structure on the performance of the gas sampling system was discussed in detail. en pattern recognition system was studied
設計並實現了可以按照指定濃度配氣的實驗室進樣系統,並在此基礎上,根據實際應用需求,設計了分別用於卷煙鑒別和存在汽油干擾的酒精檢測的進樣系統;設計製造了兩種不同結構的測試氣室,並分析了氣室的結構及其容積對于系統性能的影響,給出了比較實驗的結果。Based on two application modes of the capsule accumulator in this system, the charge pressure and effective volume of the high pressure accumulator as an air spring and the performance parameters optimization with the jig working parameter determined was studied in this paper
本文在簡要說明氣囊式蓄能器在跳汰機交流液壓系統中的高、低壓兩種應用的基礎上,對作為氣體液壓彈簧的高壓蓄能器工作容積的選擇與充氣壓力的問題進行研究,並在跳汰機工作參數確定的前提下,合理進行交流液壓系統中氣體液壓彈簧的參數優化。Constructure forms and work principles of hydraulic vavle lifter ( hvl ) in four kinds of classic internal conbustion engine is introduced ; designment and application of oil - intake line, oil - reservoir volumn, and limit position of plunger running in hvl and requirement of hvl on lubrication system and valve train mechanism of internal combustion engine are analyzed ; in the meanwhile, corresponding solutions are put forword
摘要介紹了4種典型內燃機液力挺柱的結構形式及工作原理,對液力挺柱在設計和應用中進油道、儲油室容積、柱塞工作極限位置及液力挺柱對內燃機潤滑系和配氣機構的要求等幾個問題進行了分析,並提出了相應的解決方法。A better desired ventilation form is acquired by comparing the three efficiency values. on the basis of recently materials collected in the field at home and abroad, this paper adopts two - equation turbulence model by analysis and comparison, and sets up mathematical model to study three - dimentional indoor turbulent flow. control - volume method and power - law scheme is used to discrete these differential equations. according to semi - implicit method for pressure - linked equations ( simple algorithm ), author writes a general program in c language for simulation of the velocity profile, temperature and pollution concentration distributions of indoor airflow, and the writing, the debugging and the running of the program. all are completed in microsoft visual c + + 6. 0 environment
在收集國內外在這一領域內的大量資料的基礎上,通過分析與比較,採用了k -雙方程模型來研究室內氣流的濃度分佈,建立了描寫穩態的三維紊流室內氣流濃度分佈的數學模型,採用控制容積法和冪函數分佈方案來離散微分方程組,按壓力藕合方程的半隱式法( simple )演算法,用c語言編寫了計算室內氣流流場和溫度場、濃度場的通用程序,並在microsoftvisualc + + 6 . 0環境下對程序進行編制、調試與運行,並對調試工作做了探討與分析。In the article, physical and mathematical models for the fluid flow and heat transfer inside a horizontal low - temperature have been established. and using the method of simple and integer evaluation and fvm has simulated the steady temperature and velocity distribution of a horizontal low - temperature refrigerator that the author has designed
本文還建立了臥式低溫冰箱內空氣流動與換熱的物理和數學模型,並採用simple演算法、整體求解法和有限容積法對作者所設計的一臺臥式低溫箱箱內自然對流穩態溫度場的分佈進行計算機模擬研究。Secondly, when the supply pressure is constant, experiments were carried out with different supply air dew - point and volume ratio of the system. then record the system whether occurring internal condensation or not as the experiment result
其次,當供氣壓力一定時,對不同容積比的氣動系統,改變供氣露點溫度,進行大量實驗,觀察系統是否發生內部結露,記錄實驗結果。分享友人