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controlling   parameter
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  相似匹配句对
     Controlling Chaos by Parameter perturbation
     参数微调法控制混沌
短句来源
     Controlling F.
     因此控制F.
短句来源
     The controlling study on parameter of fermentation in Honey wine
     蜂蜜酒发酵参数控制研究
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     and b was empirical parameter.
     b为经验常数。
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     Controlling Skill
     控制技能
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A pulsed plasma-arc all-position welding technique has been successfully applied to the superheater and reheater tubing system jointing of power boilers on a large scale. The effect of processing conditions on welding puddle control and the coordination of the various main parameters from which the primary controlling parameter was chosen have been investigated. It was observed that gas pores caused either by incomplete penetration or by unstable molten puddle constituted the main weld defects,...

A pulsed plasma-arc all-position welding technique has been successfully applied to the superheater and reheater tubing system jointing of power boilers on a large scale. The effect of processing conditions on welding puddle control and the coordination of the various main parameters from which the primary controlling parameter was chosen have been investigated. It was observed that gas pores caused either by incomplete penetration or by unstable molten puddle constituted the main weld defects, and certain remedy measures were found to be effective. The sound effect produced by the plasma jet impulse through key-hole has been considered useful in monitoring weld penetration and it may serve a signal for performance control of the above welding technique.

本文对脉冲等离子焊接锅炉管系的研究工作中一些主要结果进行了论述,如焊接参数对焊接熔池控制的影响,主要焊接参数的匹配及主控参数的选定,焊接缺陷与消除方法及其在生产使用中的情况。还讨论了取等离子弧穿透时产生的音响讯号作为工艺适应控制讯号的问题。

On an analysis of the dynamic stability of some homo-built 10,000-tonners which ensue on yawing movements, this paper makes an assumptionof the type of such stability with these ships. It also presents a theoretical analysis of the automatic course-controlling system. Tho relationship between the main controlling parameters has also been studied.In its conclusion, the paper gives some suggestions as to the determination of the values of these parameters.

本文通过对我国近年来建造的几艘万吨级商船偏航运动时动态稳定性的分析,提出了关于我国建造的万吨级商船动态稳定性类型的看法.并对航向自动控制系统进行了理论分析,探讨了控制航向的几个主要参数间的相互关系,进而提出对这些参数取值的建议.

The performance and construction improvement of an annular flame tube of Type "A" turbojet Engine are described in this paper. It's most important to adjust the airflow distribution of a flame tube in order to obtain a satisfactary performance if a new liner is developed on engine test stand. The air mass flow into main combustion zone, dilution zone and auxliary zone are divided roughly as 30%-40%-30% respectively. For any annular combustor, the percentage of film cooling air should be limited under 25% in...

The performance and construction improvement of an annular flame tube of Type "A" turbojet Engine are described in this paper. It's most important to adjust the airflow distribution of a flame tube in order to obtain a satisfactary performance if a new liner is developed on engine test stand. The air mass flow into main combustion zone, dilution zone and auxliary zone are divided roughly as 30%-40%-30% respectively. For any annular combustor, the percentage of film cooling air should be limited under 25% in order to be capable to supply enough air for complete combustion. The uneveness of temperature distribution can be improved by increasing the controlling parameter, also the radial temperature distribution can be improved by adjusting the mass flow passing through the inner and outer annular ducts. The temperature distribution of T3 can be indicated by that of T4 in some extent of accuracy, and thus can be adjusted indirectly. The predicted design goal of the present annular combustor have already been achieved, i.e., the rated thrust of engine is increased by 2% and specific fuel consumption lowered by about 1.5%.

本文概述了A型发动机环形火焰筒的技术指标和设计特点,着重说明台架调试火焰筒应主要抓住流量分配.调整中使主燃区—掺混区—补燃区气量分配接近于30%—30%—40%的比例,气膜冷却用空气应控制在25%以下.文中还叙述了提高温度场相关参数能提高温度场均匀性,采用适当的内外环进气量比例能保证燃气温度沿叶高的良好分布.调试工作中沿用了调整t_4~*温度场反调t_3~*的方法.试验结果实现了R提高2%、C_R降低1.5%的设计指标.

 
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