柴油值 的英文怎麼說
中文拼音 [cháiyóuzhí]
柴油值
英文
diesel number-
Standard test method for cetane number of diesel fuel oil
柴油的十六烷值標準試驗方法Test method for cetane number of diesel fuel oil
柴油十六烷值的試驗方法Effects of cetane number improver on emissions of swirl chamber diesel engine
十六烷值改進劑對渦流室柴油機排放特性的影響Dcn test method for the determination of ignition delay and derived cetane number of diesel fuel oils by combustion in a constant volume chamber
用等容室燃燒法測定柴油燃料油的滯燃期和導出十六烷值Standard test method for determination of ignition delay and derived cetane number of diesel fuel oils by combustion in a constant volume chamber
通過在定容室內燃燒測定柴油燃料油的滯燃期和導出十六烷值的標準試驗方法Some properties of petroleum products in refinery such as gasoline octane number and diesel cetane number are necessary to be online monitored
在煉油過程中,通常需要對產品的關鍵品質比如汽油辛烷值或柴油十六烷值等進行在線監測。To overcome the disadvantages of the linear calibration methods such as mlr and pls, least - squares support vector machine ( ls - svm ) is introduced to nir quantitative calibration in this thesis. for a set of diesel cetane number ( cn ) samples, the ls - svm model obtains the best performance in the cn prediction, compared with the mlr and pls model
為克服mlr與pls等線性校正方法的局限性,本文將最小二乘支持向量機( ls - svm )演算法用於近紅外光譜的定量校正,並以一批柴油十六烷值樣品數據為例對以上方法進行了比較。Company has possessed 600 employess, over 68manag. ement personnel and 22 technicians since is was founded. inwhich junior college graduatre account for 90 %, average ages of employees is 28 years, area of factory building is 20000sq. meter annusi value of production is 80 milions yuan and have three modemization production line and advanced equipment and perfct monitor and measunng device as puncher, driller, lathe, measurig truck, cutter, shielded welder and pipe bendin machine. main production of company are all kinds of generators, both petrol and dlesel series, water umps, luggage rack of vehicle, bumper, fuel tankall kinds of motorcycle rack, auto majhong machine and whd series of dlecmolishde vehide, wide varieties, a complete range of specification. the products have stable qusity and advanced
具備廠房面積20000平方米,年產值8000多萬元的生產能力及三條現代化流水線。擁有各種大型沖壓設備各類油箱鉆床車床儀表車切割機保護焊機彎管機等先進設備和完善的測量裝置。公司主要品種有:各種發電機組汽油機系列柴油機系列水泵汽車行李架保險杠各種摩托車架全自動麻將桌whd系列電動滑板車,防墜器等系列產品。The significance, types and mechanism of diesel fuel octane improvers are introduced, and the characteristics of some typical cetane improvers are compared in detail
摘要就柴油十六烷值改進劑的種類、作用機理及其研製的重要意義做了綜述,介紹了部分十六烷值改進劑的性能特點。Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters
通過對電控可變氣門系統的主要結構參數,如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等參中壓共軌電控柴油機可變氣門系統的研究數對電控可變氣門系統啟、閉特性的影響規律的研究發現,動力活塞直徑、氣門彈簧剛度、電磁閥通流面積對電控可變氣門系統啟、閉性能起著決定性的作用,對於一定的氣門啟閉規律要求,這些結構參數存在一組最佳值。Hydraulic pile hammer is one of the pile driving machines that drive prefabricated piles into the ground in the construction of pile foundation such as construction, bridge, dock, etc. with the development of science and technology, the prefabricated pile driving machines evolve from block hammer, steam - hammer, diesel hammer to hydraulic hammer. hydraulic pile hammer is one of ideal prefabricated pile driving machines because it can adjust stress waveform, decrease stress peak value, prolong effectual action when it drives piles. hydraulic pile hammer is used widely and formed series in developed countries now
液壓打樁錘是用於建築、橋梁、碼頭等樁基礎施工中打入預制樁的樁工機械。隨著科學技術的進步,預制樁施工機械由落錘、汽錘、柴油錘,發展到了液壓打樁錘。用液壓打樁錘打樁,可以調整撞擊應力波波形,減小應力峰值,延長有效作用時間,是一種比較理想的預制樁施工機械,目前在發達國家已被廣泛使用,並形成了系列化。In chapter 4, for the first time, in the way of virtual malfunction simulation, cooling water of diesel engine type 4135 has been simulated under the stopping water supply malfunction. and the analysis and discussion has been taken on the result of transient temperature curve of the simulation. and in the same way, internally cooling oil piston of diesel engine type 180 has been numerically simulated on the virtual thermal loading mal
得出了虛擬其斷水故障模擬的瞬態溫度曲線結果,並對其進行了分析和探討;同時也用虛擬模擬的思想對180型柴油機內油冷活塞進行了虛擬其熱負荷故障的數值模擬,得出了其在斷油情況下和超負荷運轉情況下的分析結果。When the water dose was 20 % and engine speed was 2000r / min, the maximum fuel saving was 4. 1 % ; the thermal efficiency of emulsified fuels was higher than that of using pure diesel oil. nox and particulates emissions were reduced greatly by using emulsified fuels. when water dose was 20 % and engine speed was 1500 r / min, the maximum nox reduction was 43. 4 % ; the average of particulates under all loads was reduced by the extent of 46 % ~ 64 %
結果表明:燃用乳化油節油率有所提高,當n = 2000r min ,摻水率為20時最大節油率可達4 . 1 ;燃用乳化油的熱效率也高於燃用純柴油; no _ x 、顆粒排放比燃用純柴油時則有大幅度降低,當n = 1500r min摻水率為20時, no _ x排放量下降的最大值可達43 . 4 ;固體顆粒物排放量在整個負荷范圍內的平均值比燃用純柴油時低46 64 ;隨著乳化油摻水量的提高,排放效果改善越明顯;而thc和co的排放量則比燃用純柴油時有所升高。Limit for exhaust gas smoke of marine diesel engine
船用柴油機排氣煙度限值Through the application researches on 6135 type diesel engine, the feasibility and diagnosis accuracy of the method that using 0. 5 order torsional vibration to determine the fault threshold value was verified
以6135柴油機為對象的應用研究驗證利用0 . 5諧次扭振確定故障閾值方法的實用性和診斷準確性。Li jun, yoshio sato, akio noda. an experimental study on dme spray characteristics and evaporation process in a high pressure chamber. sae, 2001, 2001 - 01 - 3635
文華,劉永長,魏明銳等.二甲醚和柴油噴霧特性的數值模擬分析.天津:內燃機學報, 2003 ( 4 )In the full load range, the engine exhaust contains no smoke and the nox exhaust obviously decreases and the engine noise also decreases. the different fuel blends consisting of predorminant dme and some diesel can conqer or in large part improve the wear and leakage of plunger
二甲醚和柴油混合燃料除了有較好的動力性、經濟性和排放指標外,由於粘度增加可以克服或在很大程度上改太原理工大學碩士學位論文善油泵、油嘴的磨損、泄漏問題,具有使用價值。The mechanism of fuel saving and emission reduction were discussed in this paper. based on surface chemistry, proper emulsifiers were selected to produce stable emulsified diesel oil, which contains different amount of water. the characters of emulsified fuel such as viscosity, heat value and factors in connect with stability were analyzed
本文以利用乳化油減少柴油機燃油耗和降低排氣污染為主要目標,先從理論上分析了乳化油節能和降低排放的機理,然後利用表面化學的知識篩選出適當的表面活性劑,復配出高效的復合型乳化劑並用其配製出不同摻水率的穩定的乳化柴油,對乳化油的物性(粘度、熱值等)及影響乳化油穩定性的因素進行了分析。Limit of cleanliness for marine diesel engines
船用柴油機清潔度限值In this text, the study was conducted to the diesel engine running - in on test bed by advanced oil analysis, surface analysis and characteristic parameters analysis of diesel engine during running - in. based on the spectrographic analysis, ferrographic analysis, particle counting, and scanning electronic microscope analysis, the extraction of lubricant analysis results have been completed by various methods as limits method, fuzzy synthesis analysis, tendency chart analysis. on the basis of information, issued from above analysis the quality comprehensive assessment model of diesel engine running - in has been established, used to assess the diesel engine running - in quality and engine test - bed running - in quality
本文以柴油機臺架磨合過程為研究范圍,採用先進的油液分析技術,表面分析技術和柴油機性能參數分析技術相結合的方法,在採集柴油機臺架磨合階段磨合潤滑油樣和相關信息,對柴油機臺架磨合潤滑油樣的光譜分析、鐵譜分析、顆粒計數分析等技術手段獲得的各種信息進行特徵提取,結合來自於分析鐵譜和掃描電鏡的特徵圖像信息,以及柴油機性能參數中的特徵信息,用界限值分析法、模糊綜合分析法和趨勢圖分析法等多種方法,並融合其他相關的特徵信息,建立柴油機臺架磨合質量綜合評價數學模型,綜合分析柴油機臺架磨合質量,研製開發了柴油機臺架磨合質量綜合評價系統。分享友人