絕熱率 的英文怎麼說
中文拼音 [juérèlǜ]
絕熱率
英文
adiabatic rate-
The thermal damping is maximum for frequencies corresponding to pulsations that are somewhere between isothermal and adiabatic.
當脈動處于等溫和絕熱之間某個狀態時，相應頻率下的熱阻尼是最大的。Sepiolite has low shrinking rate, plasticity is good, alkali - resisting and easy to dissolve, absorb the peculiar industry performance such as being strong of performance, in addition, also absorb, decolouring, hot stability is anticorrosive, resist radiation and insulate against heat, the characteristic such as being insulating, is used in the non - asbestos jointing sheet, various of brake shoes, paint, sound insulation of the building mainly, thermal insulator
海泡石具有收縮率低，可塑性好，耐堿易溶解，吸附性能強等特有的工業性能，除此之外，還具有吸附，脫色，熱穩定，抗腐蝕，抗輻射及隔熱，絕緣等特性，主要用於密封產品如非石棉橡膠板，摩擦產品如各式剎車片，油漆、塗料，建築隔音、隔熱材料。Sepiolite has low shrinking rate, plasticity is good, alkali - resisting and easy to dissole, absorb the peculiar industry performance such as being strong of performance, in addition, also absorb, decolouring, hot stability is anticorrosie, resist radiation and insulate against heat, the characteristic such as being insulating, is used in the non - asbestos jointing sheet, arious of brake shoes, paint, sound insulation of the building mainly, thermal insulator
海泡石具有收縮率低，可塑性好，耐堿易溶解，吸附性能強等特有的工業性能，除此之外，還具有吸附，脫色，熱穩定，抗腐蝕，抗輻射及隔熱，絕緣等特性，主要用於密封產品如非石棉橡膠板，摩擦產品如各式剎車片，油漆、塗料，建築隔音、隔熱材料。The temperature rise at the center of a massive concrete wall is calculated by using the adiabatic rise of temperature and heat conduction equations of concrete based on the equivalent time, and considering effects of temperature on the hydration heat reaction ratio and creep characteristics of early - age concrete
摘要基於等效時間的混凝土絕熱溫升、熱傳導方程，考慮溫度對早期混凝土水化熱化學反應速率和徐變特性的影響，計算了大體積混凝土墻中心的溫升。Saturated adiabatic lapse rate
飽和絕熱遞減率Dry adiabatic lapse rate
干絕熱遞減率Adiabatic lapse rate
絕熱遞減率Testing method of cryo - insulation pressure vessels leak and outgassing rate measurement
低溫絕熱壓力容器試驗方法漏放氣速率測量The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation
本論文以mnls孤子作為光纖飛秒孤子的模型，通過新近建立的mnls孤子直接微擾理論，研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移，以及通過頻率濾波對自頻移的抑制。為此，首先給出描述mnls孤子的各物理量，然後用mnls孤子直接微擾理論，解析地得到這些問題絕熱近似下的孤子參數演化，並由此選擇頻率濾波的參數，最後用分步傅里葉方法，在對非線性項微商的演算法做出了適合於mnls孤子的改善後，對拉曼效應及頻率濾波進行了直接數值模擬，其中頻率濾波參數用微擾理論確定。Scroll compressor, used as main engine in auto aircondition system, has small volume, light weight, low noise, low vibration, good seal, high volume efficiency and high heat insulation efficiency
渦旋壓縮機是汽車空調器的製冷主機，具有體積小、重量輕、低噪聲、低振動、密封好、容積效率和絕熱效率高等優點。Testing method of cryo - insulation pressure vessels leakage measurement
低溫絕熱壓力容器試驗方法漏率測量The simulations results show that the spoiler is available to make the fuel and the oxidizer coming from the former to stay in the cavity for a long time, to let the fuel and oxidizer mix and burn completely. since there is a high temperature zone forming by vortex in the middle of the motor, it required a restricted thermal protection. the plate with holes decreased the vortex function in the cavity, which could not promote the combustion efficiency, but to decrease temperature in the cavity and be benefit to thermal protection of the wall
計算結果分析表明:擾流板可以使燃料和氧化劑在擾流腔內的滯留時間加長，促進燃料與氧化劑的摻混燃燒，提高燃燒效率，但由於渦流在發動機的中間部位形成了高溫燃燒區域，致使局部燃料和絕熱層燒蝕速率增大，加大了熱防護的難度;孔板結構減弱了擾流腔內迴流區的漩流作用，不能增加推進劑燃燒效率，但可以使擾流腔內的溫度降低，給壁面熱防護帶來好處。The experimental results show that adiabatic efficiency has a remarkable improvement in low cold mass flow ratios, adiabatic efficiency can improve by 30 % in the best condition
實驗表明，在冷流率小的情況下，通過加濕可以使得絕熱效率得到顯著的提高，最好可以提高30 。Testing method of cryo - insulation pressure vessels static vaporation rate measurement
低溫絕熱壓力容器試驗方法靜態蒸發率測量The demonstration of heat - transfer measuring techniques and prospect of infrared thermal mapping techniques, main parts and performance indexes of a infrared camera, functional blocks and implementation of infrared processing software, experimental facility and measuring system of the wind tunnel has been made. the model emittance was experimentally determined and the three methods correcting directional emittance were compared. those problems of the infinite - slab model thickness and constant wall heat rates hypothesis, the determination of adiabatic wall temperature were discussed in a 1 - d heat conduction analysis
本文對紅外熱圖測熱技術與應用前景、紅外熱像儀主要部件與性能指標、紅外測熱數據處理軟體功能模塊與實現、風洞試驗設備與測量系統等進行了論述，測量了模型表面發射率並對發射率隨極角變化的三種修正方法進行了對比，對一維熱傳導分析中模型壁厚半無限假設、壁面熱流定常假設、絕熱壁溫選取等進行了探討。Experimental investigation on the leak and degassing rate of high vacuum multi - layer insulated dewar
高真空多層絕熱杜瓦漏放氣速率試驗研究Pmf is a kind of mewly superlight heat - resisting insulation material, which is made of mullite maicrocrustal. having the properties of both crystal and fiber as well as excellent heat - resistig stability. its operating temperature is up to 1500 c and melting point is 1840 c, but its thermal is only one - sixth energy and increasingproductions
Pmf （多晶莫來石纖維）是國際上最新的超輕質耐高溫絕熱材料，它由莫來石微晶體構成，它集晶體材料和纖維材料特性於一體，有極好的熱穩定性，使用溫度1500 ，熔點1840 ，導熱率是傳統耐火磚的1 / 6 ，容重只有其1 / 25 ，是高溫爐窯節能增產理想材料。The finite element method ( fe '. i ) is adopted to analyze the effects of the numbers of coil turns, current intensity and current frequency upon the rate of joule heat generation in details. the thermo - radiation analytical countermeasures of various types are adopted to carry out the numerical analysis of the effects of the crucible with different shapes and sizes and the blind holes with different depths opened in the tops of crucibles as well as coil positions upon the thermal field distribution whereby solving the main problem of field the thermo - field design of the induction - heating sic crystal growth system. a new combination idea of the thermo - field design obtained by means of the united design of the thermo - insulator and blind holes has been presented
採用有限元分析方法對線圈匝數、電流強度、電流頻率等對焦耳熱產生速率的影響進行了詳細的分析討論；採用不同的熱輻射分析策略，對不同坩堝形狀、坩堝頂部開設不同深度的盲孔以及線圈的位置等對熱場分佈的影響進行了數值分析，解決了感應加熱碳化硅晶體生長系統熱場設計的主要問題，提出了通過絕熱層與盲孔的聯合設計獲得所需熱場設計的思路，給出了根據軸向溫度梯度的波動對線圈位置實行動態調節以控制熱場的理論依據。Research was conducted on characteristics of adiabatic shear bands ( asbs ) in several steels by contained exploding cylinder technology
摘要研究了幾種不同硬度和熱導率的鋼鐵材料在約束爆破條件下的絕熱剪切帶特徵。Abstract : a previously proposed approximate quasi - static theoretical method is employed herein to examine the deformation and perforation of a simply - supported circular plate struck by a flat - faced projectile at normal incidence. based on the principle of virtual work, static load - displacement relationships are first obtained and then used to predict the energy - absorbing capacity of the plate subjected to relatively low speed impact. it is shown that good agreement is obtained between the theoretical predictions and the available experimental data, provided that adiabatic shear plugging failure does not occur, but the influence of strain rate sensitivity is taken into account
文摘:採用準靜態近似理論方法分析簡支圓板在平頭彈丸正撞下的變形和穿透.首先基於虛功原理得到了靜態荷載位移關系，並將其用於預測低速沖擊下圓板的能量吸收能力.當考慮了材料的應變率敏感性，並且不發生絕熱剪切沖塞破壞的前提下，理論預測和實驗結果吻合良好分享友人