載熱固體 的英文怎麼說
中文拼音 [zǎirègùtǐ]
載熱固體
英文
thermofor-
The conclusions obtained as follows : firstly, the structure ' s free frequency is decreased by the reduction of the mechanical property of the material with the increasing temperature ; secondly the thermal stress produced by the temperature gradient may decrease or enlarge the structures natural frequency ; thirdly, the variety of natural frequency of the alloy structures effected by the heat effect apparently higher than that of the composite material structures
最後,採用ansys程序分析了合金材料、復合材料的板、彈體結構的熱振動特性。在不同的熱載條件下,取得以下結論:升溫導致的材料機械性能下降都會降低結構固有頻率,而溫度梯度產生的熱應力可能降低也可能提高結構的固有頻率;金屬材料結構的固有頻率受溫度的影響要比復合材料結構的固有頻率受溫度的影響要明顯。Flow and heat transfer of mixture of solid media and biomass in inclined tube
固體熱載體和生物質粉沿傾斜管流動和傳熱的計算Honeycomb ceramic has high surface and lighter weight. it is good at the heat insulation, so it is suitable for various kinds of catalyst carriers. it is widely used for automotive emissions control, stationary emissions control, chemical processing and refining industries
蜂窩陶瓷材料具有比表面積大、隔熱性較好及重量較輕的特點,因此它適用於各種用途的催化劑載體,現已被廣泛應用於汽車尾氣凈化、固定氣體排放的凈化、化學工藝、精練工業等方面。An interpolation program is used to convert the fluent result data to the ansys load data. it is a new method to analyze turbine tip clearance. in this paper, some research of the numerical computation of the tip clearance of aero - engine is done, the parametric method is used and the research on the flow, heat and structure integration analyses is accomplished
本文對渦輪機匣氣熱固一體化分析方法做了研究,通過編制了載荷轉換與施加程序,從氣熱計算模型中提取溫度場計算結果,並作為載荷加入到熱固耦合計算模型中,實現了高壓渦輪機匣的一體化計算分析,為實現渦輪葉尖間隙的氣熱固一體化分析打下了基礎。Based on the analysis of gas - solid multiphase catalytic reaction, the chemical reaction model is established. when the reaction is controlled by the chemical dynamic, the reaction rate is introduced by consideration of the adsorption and desorption effects. when the reaction is controlled by mass transfer, the diffusion coefficient is established which can present the flow rate increases in small reynolds domain ; for the internal diffusion, the internal diffusion coefficient is derived, and then the internal diffusion is coupled with chemical reaction to represent the phenomenon that the diffusion and the chemical reaction occur cocurrently
本文在考慮催化轉化器載體內發生的傳熱傳質現象的基礎上,建立了催化轉化器的一維單孔道和三維多孔道傳熱傳質模型;在分析載體內以氣-固多相催化反應為特點的工作機理的基礎上,建立了催化轉化器的化學反應模型:當催化轉化處于化學動力學控制區時,引入了考慮吸附、表面反應和脫附的表面化學反應速率公式,當催化轉化處于質量輸運控制區時,引入了決定外擴散能力的擴散系數公式和和決定內擴散速率的內擴散系數公式,並與化學反應速率相耦合,得出由擴散過程決定的化學反應速率公式。The response of solid rocket motor that exposed to the thermal load was simulated by use of the thermal conductivity equations with source term. the thermal hazard of solid rocket motor was evaluated. some measures to decrease thermal hazard of solid rocket motor has been put forward
採用帶源項的熱傳導方程,對固體火箭發動機在遭受熱載荷時的響應情況進行了數值模擬,有效地評估了在外界熱載荷作用下固體發動機的危險性,並提出了減少發動機熱危險性的措施。According to the meso - scale structural characteristics of composite solid propellants ( csp ), the damage modes in csp induced by mechanical impacts, and the conclusions of former research, crack friction is considered to be the key factor for csp hot - spots
本文根據固體推進劑細觀結構特徵及撞擊載荷作用下的損傷破壞模式,結合相關理論分析結果,將裂紋摩擦作為推進劑熱點形成的關鍵因素。The research work of this dissertation aims at the study of srm safety under mechanical impact. based on mechanism analysis of hotspots and by use of dynamic finite element method, efforts are focused on the establishment of a general theory applied for srm safety analysis under mechanical impact
本文對機械撞擊載荷作用下固體火箭發動機安全性進行研究,以熱點機理分析為基礎,以結構動力有限元方法為手段,將熱點細觀模型與發動機結構撞擊變形分析有機結合,旨在探索機械撞擊載荷作用下固體火箭發動機安全性分析研究的方法和途徑。分享友人