熱力噴射 的英文怎麼說
中文拼音 [rèlìpēnshè]
熱力噴射
英文
thermo jet-
The ejected coolant interacts with the external flow near the endwall and generates aerodynamic and thermodynamic losses in the process. this reduces turbine stage efficiency and together with the consumption of cooling air is detrimental to the overall cycle efficiency
但這種方法中噴射的冷空氣與端壁附近的外流場相互作用產生氣動力和熱動力損失，並且消耗冷卻空氣，從而損害渦輪的整體循環效率。Abstract : a new method of desulphurisation of hot metal by immersion is developed by immersing the steel tube filled with desulphurisation powder and propellant into molten iron. the desulphurisation powder is injected into molten iron by pressure produced by propellant decomposing when the steel tube is immersed into molten iron. feasibility of the technology of desulphurisation is discussed in theory
文摘:提出用裝有噴吹劑和脫硫劑混合物的鋼管插入鐵水中，利用噴吹劑受熱分解產生氣體形成的壓力將脫硫劑噴射到鐵水中進行鐵水爐外脫硫的一種新方法熱浸鐵水脫硫法，並從理論上對該法進行了可行性分析A new method of desulphurisation of hot metal by immersion is developed by immersing the steel tube filled with desulphurisation powder and propellant into molten iron. the desulphurisation powder is injected into molten iron by pressure produced by propellant decomposing when the steel tube is immersed into molten iron. feasibility of the technology of desulphurisation is discussed in theory
提出用裝有噴吹劑和脫硫劑混合物的鋼管插入鐵水中，利用噴吹劑受熱分解產生氣體形成的壓力將脫硫劑噴射到鐵水中進行鐵水爐外脫硫的一種新方法熱浸鐵水脫硫法，並從理論上對該法進行了可行性分析It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation
柴油機缸內的火焰輻射受諸多因素的影響，用理論分析法來確定它是相當困難的，由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程，而燃燒過程中的實際熱力狀態又可用示功圖來分析，因此藉助於火焰輻射與缸內熱力參數之間的這種間接關系，建立了一種計算柴油機缸內火焰輻射傳熱的新模型，利用該模型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算，將計算結果與實測結果進行了比較，表明該模型能較好預測缸內火焰輻射傳熱量。The experiment took water as the medium and experiments on two jet modes were carried out under the falling film vacuum evaporating. the experimental results indicated that the two ejectors in series compensation method could adjust the variational work situation due to the decrease of primary steam or secondary steam and insure the normal production. at the same time, the ejector ' s best work situation founded in the experiment would provide reference for ejector ' s design and usage
本實驗建立了一套降膜真空蒸發裝置，以水為介質，對變工況下單級和串聯噴射熱泵蒸發進行了實驗，結果表明兩級串聯補償噴射裝置能對由引射蒸汽和工組蒸汽壓力降低所造成的混合蒸汽壓力降低進行調節，達到了變工況下正常生產的目的。On the base of the quasi two - stage compression heat pump system with economizer, considering that it can make use of the pressure energy of liquid with high pressure and minish energy losing of the system, ejector is adopted to replace the throttle in the assistant loop, and design the quasi two - stage compression heat pump system coupled with ejector
本課題正是在帶閃發器準二級壓縮熱泵系統的基礎上，考慮到噴射器元件可以有效利用高壓流體壓力能，減小系統能量損失的優點，將其引入系統以替代輔路節流閥，設計出了準二級壓縮?噴射復合熱泵系統。The heat pump evaporation had become a feasible measure of energy conservation. however, the variational work situation influenced both the ejector ' s efficiency and the evaporation capability, even the normal production
蒸汽噴射式熱泵蒸發為蒸發行業簡單易行的節能措施，但工況的變化會影響噴射器的效率，降低蒸發能力，甚至影響蒸發操作的正常進行。Our experiments emphasized the correlation between micro structures and some properties of the coatings and tried to obtain the protective coatings with the comprehensively good properties, in which auger electron spectroscopy ( aes ), scanning electron microscope ( sem ), and x - ray diffraction ( xrd ) were employed to investigate the composition, microstructure and crystal phase of the coatings respectively, and the properties test was primarily considered with the wear resistance and corrosion resistance of the coatings
本論文主要採用pvd技術中的磁控濺射鍍膜（ ms或rms ）及部分用等離子噴塗（ ps ）和熱氧化（ to ）表面處理技術研究了鈾的具有代表性的三種防腐保護鍍層，即單質al 、氧化物al _ 2o _ 3和合金al - zn鍍層。實驗力圖在制備技術、工藝參數及鍍層的微結構和性能之間找到一些內在的聯系，探索綜合性能較好的防腐蝕鍍層。Heating of air, suited to drying up certain powder, chemical engineering process and jet drying under certain pressure
空氣的加熱，適用於一定壓力下，一些粉末乾燥、化工過程及噴射乾燥。The energy equation of the thrust chamber wall was developed by omitting radical heat conduction and only considering the radiation heat transfer of the four chambers, the radiation leakage through nozzle exit, the axial and circular heat conduction
忽略徑向導熱，考慮推力室外向的相互及自身輻射交換、內壁經噴口的輻射泄漏以及周向和軸向的傳導熱量，建立了推力室壁的能量方程。It is shown that when the exit area of secondary nozzle and the fuel / oxidizer ratio is fixed, the increase of mass flow rate of secondary flow lead to the decrease of velocity of mixed flow, and increase of total mass flow rate. the synthetical result of these two phenomenon cause the increase of thrust of rocket ejector, but the increasing magnitude is relatively small, indicating that these is no necessary to claim large bypass ratio in rocket ejector design. in the comparison between two configurations, the typical one has better performance, indicating the importance of pressure ratio
結果表明：在固定二次噴管出口面積和氧燃比的條件下，二次流（引射空氣流）流量的增加引起混合氣體出口速度的下降和總流量的增加，二者綜合作用使發動機推力增加，但增幅不大，表明在設計發動機結構和工作參數時，不必過分追求大的引射系數；兩種結構的性能對比分析表明了增壓比對引射火箭性能的提高具有重要意義；對引射火箭的熱力循環分析同樣表明，增壓比對于提高發動機性能非常關鍵。These measures are as follows : shorten the primary wind intervals to improve thermal load of the burner ; reduce the size of hypothetical circle of contact to prevent the flame from splashing ; use nozzles with larger height / width ratio to increase the effusive rigidity, so as to increase the jet flow depth of secondary wind into the main jet flow ; use a higher primary wind velocity to increase its jet flow rigidity ; use a special flame holder structure of the primary nozzle, so as to improve
這些技術措施主要有:縮小一次風間距以提高燃燒器區域熱負荷;縮小假想切圓防止火焰刷墻;採用高寬比較大的二次風噴口以增加射流剛性，提高二次風射流進入主射流的深度;採用較高的一次風速來提高一次風射流剛性;一次風噴口採用特殊穩燃結構;提高下二次風的托粉能力。The maximum cooling capacity was 1. 8kw with cop of 0. 259 when the booster was absent, or the maximum cooling capacity was 5. 2kw with cop of 0. 777 when the booster was present. 4. an experiment set of solar ejector refrigeration system was built, in order to study its performance characteristics and the key influence factors, in which r123 was taken as the refrigerant
系統最大製冷能力1 . 8kw 、平均cop為0 . 259 （不採用增壓器）或者最大製冷能力5 . 2kw 、平均cop為0 . 777 （採用增壓器） （ 4 ）建立了以電加熱模擬太陽能輻射的噴射式空調系統實驗臺，研究了噴射式製冷系統的工作特性和影響因素，以及製冷劑r123的運行性能。Used the theory of air - dynamic and the jet - ejector principle the characteristic of jet - steam, proving the noise signal have the character of chaos by using the fractal theory. noise sound pressure on the normal condition was checked by theory formula and contrasted with the experimental data. the difference was analyzed in detail
結合空氣動力學噴射氣流噪聲理論公式，驗算了三效降膜蒸發器正常生產時熱壓泵中拉伐爾管噴口處的噪聲聲壓級，與實測值進行對比，並詳細分析了兩者產生較大差異的原因。分享友人