efficiency of diesel engine 中文意思是什麼

efficiency of diesel engine 解釋
柴油機效率
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  • of : OF ＝Old French 古法語。
  • diesel : n. 1. 〈d-〉 ＝ Diesel engine [motor] 柴油機，內燃機。 Diesel oil 柴油。2. R. Diesel 狄賽爾（1858-1913），德國柴油機發明者。
  • engine : n. 1. 機械，機器。2. 引擎，蒸汽機，發動機。3. 機車，車頭。4. 工具；〈古語〉方法，手段。vt. 給…安裝發動機。
  1. Meanwhile in the condition of high temperature, water vapors can participate in combustion. water gas reaction will happen, which will reduce carbon particle in flame, and reform combustion performance, so improve combustion efficiency. the article developed a kind of technology of water injection into intake ports for 4135g diesel engine, meanwhile designed a suit of water injection system

    同時在高溫條件下，水蒸汽參與燃燒，部分水分子與未完全燃燒的熾熱的炭粒發生水煤氣反應，形成可燃性氣體，從而減少了火焰中的炭粒，提高了油的燃燒程度，改善了燃燒狀況，提高了油的燃燒效率。
  2. The results derived from comparison experiments indicate that various performances of the diesel engine adopting the best project is better than those of the previous intake manifold. especially at the rating, the volumetric efficiency and power increases by about 5 %, exhaust temperature decreases by 50, 4. 3g / kw. h fuel consumption is reduced, o. srb smoke emission is cut down

    試驗表明：該方案與原機進氣系統方案相比，其各項性能指標均有不同程度的改進：在標定點的充量系數和功率提高了將近5 ，排溫下降了50 [ ] ，燃油消耗率減少了4 . 3 [ g kw
  3. 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。
  4. Giving some suggestions to develop the fuel according to the experiment result. the final experiment result is very good. after using alcohol - blended diesel oil in diesel engine, the power can be achieved, the let of contamination is reduced, thermal efficiency enhanced, the exhaust degree and the max combustion pressure is steady

    對理論和實驗結論進行總結，對課題的發展提出建議實驗的最終數據證明：在柴油機上燃用乙醇柴油后，能夠達到原機的功率，並且柴油機的排放狀況有很大的改善，熱效率有一定的提高，排氣溫度和最高燃燒壓力基本不變，實驗結果是比較理想的，可以考慮在實際中應用和推廣乙醇柴油。
  5. The one - piece impeller can effectively reduce the by - pass loss, friction loss, etc. and improve the efficiency of the compressor as well as the performance of the diesel engine

    新型號的葉輪能有效減少分流損失、潛流損失、摩擦損失、鼓風環流等損失，能有效提高壓氣機的效率、柴油機的性能水平，改善經濟運營指標。
  6. 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。
  7. This new technology changes from the traditional method by which the induced and compressor wheel separately are designed and produced to a new one by which the one - piece compressor is designed. on the basis of this new technology and the optimum blade profile, the performance of both the compressor and the turbocharger is largely improved. through the heating power calculation of the compressor, the analysis of the surge and the block of the compressor, the test - bed performance test of the turbocharger, the matching test of turbocharger and diesel engine, the propulsion test of the turbocharger on plateau condition, it is proved that the newly - designed compressor not only has high efficiency, but also improves the flow distribution in the high efficiency area so that the propulsion line can run through the high efficiency area

    主要內容包括：提出一種全新的壓氣機葉輪技術和概念，這種技術將傳統的導風輪和壓氣機分開設計、單獨加工改為整體設計、整體加工的單體葉輪；從增壓器與柴油機配機計算所得出的基本參數出發，通過對壓氣機進行熱力計算，確定壓氣機的基本結構參數；再對葉型以及葉輪輪廓與葉輪罩殼的配合間隙進行優化，對新設計的壓氣機進行喘振和堵塞分析；通過增壓器平臺性能試驗，驗證了新設計的壓氣機的性能水平得到了較大的提高，達到了提高增壓器的整體性能水平的目的；通過增壓器與柴油機配機試驗、以及增壓器用於高原條件下的牽引試驗，驗證了新設計的壓氣機不但具有高效率，還改善了高效率區的流量分佈，使牽引特性線貫穿高效率區。
  8. Influence of blending gas fuels to air - charged efficiency and over - air coefficient in diesel engine

    柴油機摻燒氣體燃料對充氣效率和過量空氣系數的影響
  9. It is necessary to study the spray in engine cylinder, for the performances on power output, thermal efficiency and emissions of diesel engine are directly influenced by the atomization of fuel

    柴油機缸內燃油的霧化情況直接影響著發動機的動力性、經濟性和排放水平，研究燃油的霧化因而具有極大的現實性和緊迫性。
  10. Adopting the resonant intake manifold is a simple and effective way by which increases volumetric efficiency in order to improve performance of truck diesel engine

    利用諧振進氣系統來提高車用柴油機的充量系數0 ，從而達到改善其性能的目的，是一種簡單而有效的方法。
  11. On the basis mentioned above, another mathematical model for the supercharged diesel was set up. according to this model some results of simulation calculations were given. the characteristics of operation of the diesel in wet compression : including the excess air coefficient, the cylinder temperature at the beginning of compression stroke, the maximum temperature in the cylinder, the cylinder thermal load, the specific fuel consumption, and efficiency of diesel engine were obtained

    在此基礎上，又建立了增壓柴油機濕壓縮的數學模型，對噴水后柴油機的各性能參數，諸如過量空氣系數、氣缸進氣溫度，缸內最高溫度、氣缸熱負荷、比油耗、熱效率等進行了模擬計算，為增壓柴油機進口加濕技術的研究提供了理論依據。
  12. When the diesel engine fueled with emulsified fuels containing methanol from 10 to 20 percent with the angles of injection adjusted, the performances of it can be improved, thermal efficiency is raised from 5 to 8 percent, temperature of exhaust and smoke are descended

    如果對供油提前角進行適當的調整，柴油機燃用含有10 20甲醇的乳化液時，其性能得到改善，摺合燃油消耗率降低5 8 ，發動機的排氣溫度和煙度均下降。
  13. Moreover, the effects of the resonant intake manifold various construction parameters on volumetric efficiency are analyzed in this paper, and the best project is provided for the model 4108q diesel engine

    文中還計算分析了諧振進氣系統各結構參數對充量系數0的影響規律，為lf4108q型柴油機利用諧振進氣系統改善其性能，提供一個最佳方案。
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