The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.
将传质方程引入到垂直管降膜蒸发传热模型中,求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。
Both the optical absorption coefficient and bandgap decrease with increasing in film thickness.
光吸收系数以及禁带宽度均随薄膜厚度的增加而下降。
The results showed that compared to conventional smooth segment baffle heat exchanger, the plate heat exchanger(PHE) can effectively strengthen the film heat transfer coefficient of the shell side.
研究结果表明,与传统的光滑管弓形隔板换热器相比,板式换热器能非常有效地强化空气侧的膜传热系数。
As the detecting material of uncooled infrared detectors, vanadium oxide (VOX) thin films need high temperature coefficient of resistance (TCR) and suitable film resistance for using of the device.
氧化钒薄膜作为非制冷红外探测器的热敏材料,要求具有高的电阻温度系数(TCR)与合适的电阻值,以满足器件的应用。
The Reynolds lubrication equation including oil film inertia is developed, in which the inertia coefficient is introduced to investigate the effect of oil film inertia.
新的模型借助惯性系数,引入了油膜惯性项;同时给出求解含有油膜惯性项的迭代步骤和有限元表达式。
Under a practical pulverized coal flame condition, the comparable energy distribution coefficient was calculated and compared with the value used in the traditional single film (SF-CO) model.
在一实际煤粉火焰条件下,计算了可在单膜(SF)模型中直接应用的可比能量分配系数,并与传统SF模型的取用值进行了比较。
Oxygen Permeability Coefficient (p 'o2) : the product of the permeance and the thickness of film.
译文:氧气透过系数(PO2):氧气透过量与薄膜厚度的乘积。
Measuring method of reactant diffusion coefficient in polymer film was introduced. This would provide potent guidance for researching reaction mechanism.
介绍了反应物在聚合物膜中扩散系数的测定方法。对于聚合物修饰电极上反应机理的研究提供了有力的指导。
With combining optimization method, an optimal model of determining synthetic surface roughness coefficient in film hole irrigation was developed.
实例计算与方法验证表明,该方法能够简单而有效地确定膜孔灌溉田面综合糙率系数。
The simulation results indicate that the effect of solution feed flow and heat flux has a high influence on heat and mass transfer coefficient of falling film evaporation.
模拟结果表明,进口流量和热负荷对降膜蒸发传热传质系数的影响较为显著。
Peak current is decreased with the increase scan times. Potential response of chloride doped polyaniline film to anion is reported and selective coefficient of some anion is measured.
报道了氯离子掺杂的聚苯胺膜对一些阴离子均有电位响应,测定了一些阴离子的选择性系数。
The grooves on the heated surface lowered the flow resistance and enhanced the film heat transfer coefficient 2-3 times that of flat plates.
相同雷诺数的槽板平均表面换热系数是平板的2~3倍,同时减小了流动阻力。
The parameters considered include the mean beam length of flue gas, the emissivity of gas, the film beat transfer coefficient and the enthalpy of flue gas.
这些参数包括烟气的平均辐射长度、烟气黑度、对流传热系数、烟气的热焓等。
A new method for on-line identifying oil film dynamic coefficient of large journal bearing is proposed.
提出一种可用于大型滑动轴承油膜动特性系数在线识别的新方法。
The more the rows of cooling film, the higher the heat transfer coefficient along the flowing direction.
多排气膜叠加,也使得换热增强系数沿流向增加。
Coefficient of wear ability "is introduced to show the wear ability of cemented carbide coated with diamond film."
为表征金刚石薄膜涂层硬质合金的耐磨性能,引入了“耐磨系数”指标。
Oxygen permeating coefficient is only half of the original film.
透氧性能测试显示, 氧气渗透系数为原薄膜的一半。
On account of unsymmetric coefficient matrices of oil film stiffness and damping in bearing, the matrices in governing equation were unsymmetric.
由于轴承油膜刚度、阻尼,运动方程系数矩阵具有非对称特性。
The film hole flow coefficient is increased with momentum ratio, especially when momentum ratio is small.
气膜孔流量系数随动量比的增大而增加,在小动量比下,影响尤为明显;
The E-PET film provides shrink curves of PVC with gloss, coefficient of friction and printability of PET and toughness in between OPS and PVC.
E-PET收缩膜的收缩曲线具有与PVC一样的光泽,具有PET的摩擦系数和可印染性,并且其韧性处在在OPS和PVC之间。
Several problems involved in the prediction of heat transfer coefficient on the turbine blade profiles without film cooling are studied in this paper for the purpose of improving the accuracy.
本文用数值方法计算了无气膜冷却涡轮叶片上包括前驻点的整个型面上的换热系数。
Enhancing photosynthetic function, improving biological yield and economic coefficient is an important physiological basis for increasing the yield of potatoes covered with film.
增强光合性能,提高生物产量和经济系数,是旱作覆膜马铃薯增产的重要生理基础。
The relationship among the evaporating rate, the modulating coefficient and the thickness of the depositing film is analysesed at the same time.
同时对具有调制盘存在时的蒸发速度、调制速度以及膜厚的关系进行了分析。
Based on Reynolds equation, the analytical formula of gas-film damping inside two parallel plates has been obtained, which analyses gas-film damping coefficient changes with contact distance.
基于雷诺方程,得到两平行板内部气膜阻尼的解析公式,分析了气膜阻尼系数随接触距离的变化情况。
Carbon Black Pigmented Ethylene Plastic Film, Test Method for Absorption Coefficient of 08.
碳黑加色乙烯塑料薄膜的吸收系数的试验方法08。
The extinction coefficient has a small effect on the shift of the resonant peak, and its effect on the magnitude of resonant peak is dependent on the film refractive index.
消光系数对谐振峰偏移影响很小,对谐振峰幅度的影响与具体的薄膜折射率有关。
According to the relative criterion, the safety coefficient of bearing capacity for the greenhouse film was discussed.
并结合相关规范,探讨温室薄膜承载计算的安全系数的取值问题。
The surface transition layer makes the film surface smoothness greatly improve and the dynamic friction coefficient decrease.
镀有过渡膜的样品具有最为平整的表面形貌和最小的表面动摩擦系数。
The surface transition layer makes the film surface smoothness greatly improve and the dynamic friction coefficient decrease.
镀有过渡膜的样品具有最为平整的表面形貌和最小的表面动摩擦系数。
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