熱塞柴油機 的英文怎麼說
中文拼音 [rèsècháiyóujī]
熱塞柴油機
英文
hothead-
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。Heat transfer boundary condition and thermal load of combined - piston for locomotive diesel engines
機車柴油機組合活塞的換熱邊界條件及熱負荷5. the above thermal shock model and thermal shock stand has been applied to the simulated calculation and test of the piston of mode 6150 diesel engine successfully. this paper is sponsored by national natural science fund ( 59876034 )
U人上述模型應用於6150柴油發動機活塞,計算結果與熱沖擊試驗臺的測試結果進行了對比表明:在活塞熱沖擊試驗的條件下,矩形波平壁模型能夠較好地描述實際的試驗狀況。For the first time, it puts forward a conception of. thermal dynamic simulation and sets up a supposed analytical theory for scuffing failure and cylinder scoring of piston assembly and cylinder liner. that is followed with the simulation of scuffing failure and cylinder scoring of internal combustion engine under the condition of stopping cooling water supply and over loading
首次提出了熱動態模擬的概念,第一次大膽假設了活塞組、缸套擦傷、拉缸時的分析理論,模擬出了在中斷冷卻水和超負荷狀態下柴油機的擦傷、拉缸。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。Comparison between simulation and measurement temperature data shows that simulation results are in good agreement with experimental data and the fluid - solid coupled method can solve the steady heat transfer among piston, liner, coolant and body of diesel engines
和實驗測量值的對比結果表明:模擬結果與實測數據吻合較好,用流固耦合方法模擬柴油機活塞組缸套冷卻水機體之間的穩態傳熱是可行的。The extremely harsh working conditions directly result in high thermal and mechanical loads in diesel engines " piston assemblies, and so due to high stress it becomes one of the most vulnerable components assembly in diesel engine. piston assemblies " failures such as cylinder sticking, scoring, gumming, etc., greatly limit diesel engines " durability and reliability
由於長期工作在惡劣的環境下,柴油機活塞組要承受很高的熱負荷和機械負荷,這些負荷所產生的高綜合應力影響了它的使用壽命,其可能導致的咬缸、拉缸、結焦等故障極大地危害了柴油機整機的耐久性和可靠性。It also sets up a cycling instantaneous heat transferring simulating model of tri - dimensioned coupling system of piston assembly and cylinder liner, and induces the thin oil film between piston assembly and cylinder liner and reticulates it. the model advances a great lot over the previous researches and approaches closer to the real case. at last, the coupling system of the cycling instantaneous temperature field of piston assembly and cylinder liner of diesel engine type 4135 is formed
在模型的建立上,充分考慮了活塞組和缸套間非常細薄的油膜厚度並對其進行了網格劃分,使得所建立的傳熱模型和以往的研究相比前進了一大步、更接近真實情況,最終得出了4135柴油機活塞組、缸套耦合系統的循環瞬態溫度場。In chapter 3, it systematically analyzes the bi - dimensioned instantaneous temperature range state of piston, cylinder liner and piston rings when diesel engine type 4135 is considered under the normal friction heat
第3章系統地分析了4135柴油機在考慮摩擦熱的正常工況下活塞、缸套和活塞環各部分二維瞬態溫度的分佈和狀態。With piston - cylinder liner in diesel engine taken as an example, the temperature distribution and its variability with cyclic time of the component were simulated, and the calculation results were compared with the test data
以柴油機活塞缸套為對象,採用耦合傳熱方法對其整體溫度分佈以及溫度隨循環時間的變化規律進行了模擬計算,並與實測數據進行了比較。After the above work, a universal zero - dimension fault simulation model of diesel engine is built. thirdly, according to the constructed simulation model, a faults simulation software is developed in the environment of visual c + + 6. 0, which can simulate some typical engine malfunctions, such as leakage, block, time - sequence error and have a friendly simulation interface
該軟體可以模擬泄漏、阻塞、時序或相位錯誤等典型的柴油機熱工故障,並具有友好的模擬界面,通過熱工故障模擬數據庫和熱工參數模擬曲線,可以明顯看出故障狀態下柴油機各熱工參數的異常變化。4. the first thermal shock stand in china has been developed. it has creation on simulation thermal state of the piston and control methods
在該試驗臺上獲得了6150柴油發動機活塞熱沖擊的試驗數據,為活塞熱沖擊和熱疲勞研究提供了有力的手段。分享友人