熱量密度 的英文怎麼說
中文拼音 [rèliángmìdù]
熱量密度
英文
heat density-
Abstract : the formation technologies, the structure and properties of tcs microporous man - made yarn - kind new polyester fibre which was spinned in tcs with some micrometallic - oxide have been studied. the results indicate that the rheological behaviour and spinnability of commixed polyester melt, and the structure and properties of the fibre, are relative to the spinning temperature, melt pressure, microporpus size for spinning, formation conditions, thermo - vascellum temperature, thermo - vascellum position and rolling speed, besides the viscosity of polyester cuts, coacervation particles, adding amount and size of micrometallic - oxide
研究表明, tcs微孔化共混聚酯熔體在成型加工中的流變行為和可紡性,及其纖維的結構性能除了與原料切片的特性粘度、凝聚粒子和共混聚酯中超細金屬氧化物微粒的添加量、粒徑等因素的影響有關外,還與紡絲溫度、紡絲熔體壓力、噴絲板微孔尺寸、冷卻成形條件、熱管溫度、熱管安裝位置以及卷繞速度等因素的影響密切有關。This dissert aims at developing the high - speed temperature - measuring instrument for the application of high energy density heating
本課題針對高能量密度加熱過程中高速測溫的需要進行專用測溫儀的研製。Standard test methods for size, dimensional measurements, and bulk density of refractory brick and insulating firebrick
耐火磚和絕熱耐火磚的尺寸尺寸測量和松裝密度的標準試驗方法The critical role of energy density in obesity has been revealed by andrew prentice, professor of international nutrition at the london school of hygiene and tropical medicine, and susan jebb, of the medical research council human nutrition centre in cambridge
倫敦公共醫學與熱帶醫學學院的國際營養學教授安德魯?普倫蒂塞和劍橋大學醫學研究學會人類營養研究中心的蘇姍?傑布已經揭示了能量密度在導致肥胖中的關鍵性作用。The results indicate that the qualitative behavior in this process is similar to that observed in condensation of vapor at or above atmosphere pressure, the coefficient of heat transfer for condensation in tube, the coefficient of heat transfer in total increase with the increasing of heat flux density and vapor pressure. however, heat flux density and vapor pressure have a more significant effect on them
發現水平管內低壓蒸汽冷凝過程與常壓條件下蒸汽冷凝過程相同,管內冷凝傳熱膜系數、總傳熱系數隨熱流密度、蒸汽壓力的增大而增大,但熱流密度、蒸汽壓力對低壓蒸汽冷凝有著更為顯著的影響,管外冷卻水流量對其影響並不明顯。The result of thermal analysis for coupled - cavity slow - wave structure had been achieved in the form of temperature contour figure and heat flow density vector figure
對耦合腔慢波結構熱特性的模擬得到了以溫度分佈雲圖和熱流密度矢量圖方式表示的結果。Concentric jacket pipe surrounded the test condenser. steam was generated in the boiler, flowed upward to the inlet of connection pipes, then flowed downward into the condenser tube, the cooling water flowed countercurrently through the annulus. the experiment covered the range of the pressure 1. 0 ~ 3. 0bar, heating power 2. 0 ~ 15. 0kw, steam mass flow rate 0. 001 ~ 0. 004kg / s, air mass flow rate 0. 0 ~ 0. 00163kg / s, and cooling water temperature 20 - 60 ?
在系統壓力為0 . 1 0 . 3mpa ,加熱功率為2 15kw ,蒸汽質量流量為0 . 001 0 . 004kg s ,空氣質量流量為0 . 0 0 . 00163kg s ,二次側冷卻水溫度20 60的范圍內,系統研究了豎直下降管內含有空氣的蒸汽冷凝特性,獲得了不同壓力、不同空氣含量和不同加熱功率下,冷凝段的溫度分佈和局部熱流密度的數據。Thermal dissipation of electronic equipments is rising more and more quickly, but their volume is smaller and smaller. the heat flux of component is increasing geminately. the fluid cooling system plays an important role in industry production, aeronautics and astronautics, military equipment of national defence
隨著電子設備的發熱量越來越大,而器件本身的體積越來越小,器件的熱流密度成倍增加,液體冷卻系統在工業生產、航空航天、國防軍事裝備等領域的電子設備散熱設計中發揮著重要作用。The maximum heating rate of absorber is o. skw. ? h / ? inside experiment fuel rod is much lower than that outside experiment device. influence of absorber movement on thermal neutron flux decreases, as radial distance between absorber and measuring point increases
給出了硼不銹鋼和銀分別做為吸收體的兩種方案的計算結果,即有效增殖因子keff 、中子通量密度分佈、燃料棒功率、吸收體組分及其發熱,並進行了分析、比較,為瞬態試驗裝置的設計提供了參數。In order to explain the phenmena, two supposes of " hole " and " polar - group rupture " are proposed, according to the tests of ir, density, refractive index, conductor volume resistivity, the aging model of pmma is confirmed likely
通過其他實驗(如紅外光譜、測量密度、測量折射率、測量體積電阻率)的相互對比,基本上肯定了有機玻璃「極性基團斷裂」的熱老化模型。Sintering speed increased greatly with the help of great quantity of heat of the molten iron, the great quantity of heat sent out from the carbonizing reaction and a little quantity of liquid, this sintering type is an instantaneous sintering, the sintering compacting can carry completely in a few minutes, the degree of sintering compacting is very high. ( 6 ) the vc - fe surface composite has high rigidity, it ' s rigidity exceeds 60hrc, under condition of dry sliding friction and overloading
鑄造燒結時,過熱鐵水的巨大熱流密度沖擊、粉料壓坯中的碳化反應的放熱以及壓坯中少量液相的產生使壓坯的燒結速度大大提高,此時屬瞬間液相燒結,在十幾分鐘內燒結過程即可完成,可達到很高的緻密化程度。 ( 6 )鑄態下vc一fe表面復合材料具有很高的硬度,其鑄態硬度) 60hrc 。Natural gas - calculation of calorific values, density, relative density and wobbe index from composition
天然氣發熱量密度相對密度和沃泊指數的計算方法The exploitation and utilization of biomass energy is an effective method for relieving the pressure of conventional energy resources shortage. the technology of biomass pyrolysis can convert low - quality biomass into bio - oil that has the character of high - quality, high energy density, cleanness and zero carbon dioxide emission
大力開發生物質的熱裂解制油技術,可將低品位的生物質能轉化成高品質的、高能量密度,清潔、無污染而且二氧化碳排放為零的生物油液體燃料。The heat flux in gauss distribution heat input model employed in numerical simulation of line heating is determined by heating efficiency and heating radius that are determined by acetylene flow rate in turn
摘要水火彎板數值計算所用高斯分佈的熱源模型中熱流密度由熱效率和熱源半徑決定,而熱效率和熱流密度主要取決于乙炔流量。The interactions between heat flux density, vapor pressure, vapor velocity and the coefficient of heat transfer for condensation in tube, the coefficient of heat transfer in total are investigated. the relationships between heat flux density and the total difference in temperature, the difference of temperature, pressure drop of vapor from the entrance of the tube to the exit are investigated as well
考察了冷卻水流量、溫度恆定條件下熱流密度、蒸汽壓力、蒸汽流速對冷凝傳熱膜系數及總傳熱系數的影響關系,同時考察了總傳熱溫差、蒸汽進出口溫差及壓差隨熱流密度變化的關系。An important relationship among the mean incident energy, reflective energy and the wall boundary heat flux is obtained by statistically averaging the energy values of those molecules colliding with wall
通過對與邊界發生碰撞的分子進行統計平均,得到了分子反射能量與入射能量以及邊界熱流密度的關系式。Based on the principle of molecular dynamics, a sampling method in direct simulation monte carlo ( dsmc ) method for molecular total and translational energy, and the heat flux vector nearby the wall boundary is proposed
摘要從分子動力學出發,討論了直接模擬蒙特卡羅方法中分子平均總能量、平均平動能以及邊界熱流密度的抽樣方法。Thirdly, this dissertation briefly introduces the engineering estimation method of the aerodynamic heat and supplies the simplified formulas. not considering the rejection, the ablation and some other factors, the author calculates the stagnation heat flux and the non - stagnation field heat flux distribution of some fly situation as the example aerodynamic heat environment. finally, by using the ansys program, the thermal vibration characters of the plate and missile body structures with different materials is analyzed
這一方法提高了熱振動的分析效率;第三,簡要的介紹了工程上計算氣動熟的估算方法及熱流密度計算的簡化公式,在不考慮燒蝕以及質量引射等影響下,本文計算了幾種飛行條件下駐點和非駐點區的熱流密度分佈,作為本論文算例的氣動加熱環境。In this case, we need more knowledge of such chf phenomena, and this article mainly carries out research on such phenomena
本論文的主要工作則是研究在低流量高含汽量工況下的臨界熱流密度現象。( 2 ) the computation how thermal boundary conditions affected heat transfer coefficient in rotating cavity was carried out through four types of cfd conditions on the disk surfaces : certain temperature, certain heat flux, linear distributing temperature and linear distributing heat flux, abundant results clearly verified the affection
( 2 )開展了旋轉盤腔內熱邊界條件影響換熱系數的數值研究,設置了壁面定溫、定熱流密度、溫度線性分佈、熱流密度線性分佈四類計算工況,大量計算結果驗證了旋轉盤腔內熱邊界條件對換熱系數的影響。分享友人