霧系數 的英文怎麼說
中文拼音 [wùxìshǔ]
霧系數
英文
coefficient of haze-
The structure of air - blast pipe was improved on. an orienting object was installed based on theoretical analysis, that increase the spraying span. it has been found that both spraying span and droplets uniformity improved, by installing the orienting object. according to the results of a great number of experiments, orderliness of droplets diameter along the spraying span was researched, and rational spraying span of air - assisted sprayer was suggested
通過試驗檢驗噴霧機樣機的噴霧性能,並提出對各項參數的優化設計方案。通過正交試驗和對比試驗對霧滴取樣,證明導流器的安裝不僅增加了噴幅,而且還提高了霧滴均勻性系數。根據大量試驗的結果分析,找出了霧滴直徑在噴幅方向上所呈現的變化規律,並提出了合理的噴幅范圍。They attacked different ecosystems in different ways on different timescales, ranging from days for reentering ejecta to months for dust in the stratosphere to years for sulfuric acid aerosols
它們以不同的方式與時間尺度影響不同的生態系,例如,噴出的碎片只要數天就會降回地表,平流層的煙塵要花數個月,硫酸雨霧則要數年。There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system
中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。The relationships between these spray parameters and the injector geometry are very complex and much still is to be learned.
這些噴霧參數和噴注器幾何特性之間的關系是很復雜的,有許多問題仍需要進一步探討。On the basis of the previous studies, a systematical study on the test and analysis of the atomization model is made herein based on both the prototype test and model test for jiangya dam, and then the data processing system for the atomized water particle size is developed as well ; which is a new trial carried out for the model law for the intensity of rainfall from atomization of flood - discharging flow
摘要在以往的研究成果基礎上,結合江埡大壩原、模型測試成果,對霧化模型的測試分析技術進行了系統研究,開發了霧化粒度數據處理系統,對泄洪霧化雨強的模型律進行了新的探索。Some conclusions can be drawn from the experiment. first, the discharge coefficient of liquid is almost constant when the pressure before injecting is high enough, but the discharge coefficient of gas fluctuates because of the influence of liquid flowing. second, when the total pressure of gas is low, under the same total pressure, increasing the pressure before injecting or under the same the pressure before injecting, lowing the total pressure of gas make the mean diameter smaller
流量特性試驗表明,在液體噴注壓降較高時,液體的流量系數基本不變,但是氣體的流量系數受液體流動的影響較大;霧化特性試驗表明,在同一氣體總壓條件下,增大液體噴注壓降或者在相同液體噴注壓降條件下,減小氣體總壓對液滴霧化有利。Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained
本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法,對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究,得到了大量重要結果。Using compressed air and transformer oil as working substance, this paper studied the pressure characteristic of internal - mixing nozzle and acquired the experimental relation on the pressure in the mixing chamber of internal - mixing nozzle against the operation parameters and structure parameters according to the method of step by step regression
摘要以壓縮空氣和變壓器油為工質對內混式介質霧化油噴嘴的流量特性進行實驗研究,並通過逐步回歸分析的方法獲得了內混式介質霧化噴嘴油、氣流量系數與運行及結構參數的實驗關系式,可供設計使用部門參考。Based on series fundamental experiments and theoretical analyses, the electro - spray of fuel and charged two - phase turbulent flow are studied systematically and comprehensively in this thesis, which established a research foundation for electro - spray combustion. the research involves charging mechanism, charging and atomization characteristics of fuel, flow field properties of electro - spray, theory of charged two - phase flow and numerical simulation
本文圍繞燃料的靜電噴霧與荷電兩相湍流射流進行了系統而深入的理論和實驗研究,研究內容包括燃料的荷電機理、荷電霧化特性、荷電噴霧射流流場及荷電兩相湍流理論與數值計算,為荷電噴霧燃燒的進一步研究奠定了基礎。The anti - l0. 6 m laser performance of fog oil smoke - screen is tested and analysed on the outfield with a far infrared laser, the extinction coefficient, a key parameter to assess the obscuring performance of smoke - screen, has been caculated and the results also has been discussed
摘要利用遠紅外激光發射器對霧油煙幕的干擾激光性能進行了外場測試,分析了添加石墨及超細銅粉后對干擾效果的影響,計算得到了煙幕消光系數,並對結果進行了討論。The system can monitor four major indexes in the spraying process, the spraying pressure, spraying flow, sprayer travel speed rate and the percentage of the remaining mix pesticide in the tank
該系統可實時監測噴施農藥過程中的噴霧壓力、噴霧流量、噴霧機行走速度和藥桶藥液余量4個主要參數。The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry
本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響,詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響,並得出如下結論: ( 1 )採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 ( 2 )冶煉溫度越高,高壓水壓力越大,所得生粉顆粒粒度越細。 ( 3 )水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。In the simulation model, the cellular automata model is applied to describe the tunnels system, and a cellular is used to represent an energy unit of flame, which is eradiated from the fire - point and contains such status parameters as temperature, velocity, smog density, density of poisonous gases
在該方法中,用元胞自動機模型描述地下礦巷道網路系統,用元胞來描述火焰蔓延能量單元,該單元用火焰溫度、蔓延速度、煙霧濃度和有毒氣體濃度等狀態參數來描述。Through the analysis of fuel spray, the reason that how the flow changes affect the engine performance is illustrated
通過對燃油噴霧的分析,揭示了流量系數影響柴油機性能的原因。Considering the water spraying can effectively increase the contact area between gas and water and promote the hydrate production rate, a batch reactor with water spraying was built in order to experimentally investigate the forming performance of natural gas hydrate, the system ' s state parameters ' variation and its effect on induced time of initial pressure and water temperature
摘要考慮到水的霧化可以有效提高氣水接觸面積,有助於提高水合物生產速率,設計和建造了一個半間歇式霧流強化水合物實驗裝置,用於探索和揭示噴霧強化天然氣水合物制備過程的基本特性,包括制備水合物的形態特徵,形成過程中參數的變化規律,以及系統初始壓力和初始水溫度對形成過程誘導時間的影響。Based on maximum entropy algorithm, analyzing the blurring mechanism with the aberration of point spread function of imaging system, an effective restoration algorithm for blurred image with mist is proposed in this paper
文章基於最大熵演算法,分析了成像系統點擴展函數畸變導致圖像模糊的機理,提出了一種有效的薄霧模糊圖像的恢復演算法。The conclusions are drawn as following : 1. regularity of fabrication in aluminum matrix composite ring - shaped performs with large dimensions and effects of parameters were investigated, based on the novel crucible movable spray deposition technology and equipment. the optimal parameters are that the diameter of the delivery tube is 3. 8mm, spray gas pressure is 0. 8mpa, spray height is 200mm, and transferring pressure of sic is 0. 5mpa
通過系統的實驗研究得到如下結論: 1 .基於新型的移動坩堝自動化控制噴射沉積環坯制備技術及裝置,研究了大尺寸鋁基復合材料環坯的制備規律,討論了噴射沉積工藝參數對沉積坯形成過程的影響,得到了最佳工藝參數:導流管直徑d = 3 . 8mm ,霧化氣體壓力p = 0 . 8mpa ,噴射高度h = 200mm , sic顆粒輸送壓力p送= 0 . 5mpa 。Effects of surface - to - nozzle distance and high - temperature plate ' s surface temperature on spray cooling heat transfer coefficient
噴霧冷卻中射流出口高度和高溫鋼板表面溫度對換熱系數的影響The law how the controlling parameters, such as the pressure before injecting, total pressure of the gas, the survey distance to exit, affect the discharge coefficient and the mean diameter of the spray is analyzed
通過冷態試驗,分析了液體噴注壓降、氣體總壓等控制參數及測量位置對噴嘴流量系數、霧化平均直徑的影響。It shows that the spray pyrolysis method can effectively produce tio2 thin films with superhydrophilicity and offers an extremely easy way to dope films with other element. the analysis results in this work would be significant for reasonable utilization of spray pyrolysis deposition
討論了噴霧參數和液滴大小的關系以及對所得薄膜質量的影響,從而為本方法的工業化應用和推廣到其它高質量薄膜的制備提供理論指己; j , 。分享友人