有效功率
- 名Effective power;available power
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结果水泵有效功率和输入功率均随着电机频率的下降而不断降低,同时水泵效率也随着频率下降而降低。
The results show that available power and power input of water pump continuously decline with motor frequency reducing , and pump efficiency also decrease at the same time .
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笔者通过发动机过程仿真软件对发动机工作过程进行模拟计算,观察改变进气系统的几何参数后对发动机充气效率以及有效功率的影响,来改进进气系统。
This paper computes the engine work process via simulation software , observes the effects on engine charge efficiency and available power after geometrical parameters of intake system has been changed , accordingly improves the engine intake system .
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实验表明,增加转速可以显著提高反应速率k,在等比有效功率下,浸没循环撞击流反应器中的化学反应速率常数k明显高于搅拌釜反应器。
The experiments show that the reaction rate k can be significantly improved by increasing the rotational speed in the impinging streams reactor . The reaction rate constant k was significantly higher than that in the stirred reactor at the geometric proportion effective power .
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结果表明:各种发动机工况下的EGR都能降低NOX排放,但是发动机的有效功率Pe、有效扭矩Me和有效耗油率ge会受到不同程度的影响。
The results showed that EGR can reduce NOx emission under various operation conditions , but the effective power ( Pe ) , the effective torque ( Me ) and the effective gasoline consume rate ( ge ) will be affected .
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研究了影响MPT稳定工作的主要因素,指出微波有效功率与谐振腔内气体压强的匹配是维持等离子体稳定、避免等离子体消失、放电区熄灭的关键因素。
The main influencing factors of MPT 's steady work were studied . Anther pointed out the matching between pressure in resonant cavity and microwave power is the determinant factor to the plasma whether stabilization or extinguishing .
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介绍了以AD7757电能计量芯片为核心,设计一种测量市电有效功率的智能电度表的方法。
This article introduced take the AD7757 electrical energy measurement chip as the core , designs one kind of survey city electricity active power the intelligent electric meter method .
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非增压柴油机高原有效功率修正
Brake Power Correction of Naturally Aspirated Diesels at High Altitude Pressure Carburizing
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中小型普通船舶有效功率计算
Calculation on Effective Power of Small and Mid-sized Common Ship
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游梁式抽油机井有效功率计算方法探讨
A Discussion about Effective Horsepower Calculation Methods of Beam-pumping Unit
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借助光栅测谱中高级次谱判断强激光场作用时的有效功率密度
Experimental Method of Estimating Effective Laser Intensity by Use of the High-order Spectrum
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载人潜器阻力和有效功率的数值计算与试验
Numerical calculation and model tests for drag and power prediction of a manned submersible
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随着漏气率的增大,柴油机有效功率非线性下降,而耗油率非线性上升,且耗油率的上升率大于功率的下降率;
And the increase of fuel consumption is more than the decrease of effective power .
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船舶不能自航上滩时,其有效功率小于水流功率。
While ship failed to ascend rapid , ship effective power was lower than water flow power .
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正确计算抽油机井的有效功率是计算抽油机井系统效率的关键。
Accurate calculating of the effective horsepower of pumping unit is the key to calculating the pumping unit system efficiency .
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柴油机齿条位移与有效功率间的非线性对应关系在电子调速系统中表现为变增益特性。
The nonlinear characteristic of the rack travel versus effective power may lead to the variable-gain problem in some diesel electronic governor systems .
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结果表明,对汽油机有效功率影响显著的参数为残余废气量和混合气浓度,其次是楔形燃烧室角度。
The results showed that the most significant parameters impact active power were mixture concentration and residual concentration , followed by the wedge-shaped combustion chamber angle .
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按抽油机井效率的基本定义,气举井简化效率定义为有效功率与输入功率之比。
According to the definition of the pumping well efficiency , the simplified efficiency of gas-lift wells is defined as the effective power and inputting power ratio .
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结果发现船舶自航上滩时其有效功率大于水流功率,并随对岸航速的增加,大于的幅度越大;
It is pointed that ship effective power was larger than water flow power while ascending rapid , the difference range increases with the sailing speed of opposite bank ;
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同时根据气液均相流能量平衡方程,建立了气液均相流往复泵有效功率与有效扬程的计算公式。两种方法所建立的有效功率与有效扬程的计算公式完全相同。
A new calculating formula of the effective power and effective delivery lift of the reciprocating pump of multiphase flow is set up by the cyclic indicating figure of the pump .
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本文导出了滑片转子型蒸汽马达动力装置的有效功率计算公式,在此基础上计算确定了蒸汽马达的基本尺寸,并扼要分析影响蒸汽马达基本尺寸的一些参数。
The effective power formula of steam motors with sliding-blade rotors is derived . Thereby , the basic dimensions of steam motors are determined , with analysis of some parameters that affect these dimensions .
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分析了齿轮激光淬火轴向扫描工艺参数对硬化层分布的影响,对由此而引起的齿面有效功率密度分布进行了曲线拟合,并提出齿面硬化层分布的预测方法。
This paper analyzes the influence of technical parameters on hardened layer and imitates the curve of effective power density distribution of tooth surface . It also raises a forecast method of hardened layer distribution .
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该体系将有杆抽油系统输入功率划分为有效功率、地面损失功率、井下粘滞损失功率、井下滑动损失功率及溶解气膨胀功率5部分。
In the model , the input power was divided into hydraulic horsepower , surface mechanical loss power , down-hole viscous friction loss power , down-hole sliding friction loss power and solution gas expanding power .
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从高温渣池的热电场耦合模拟入手,利用能量守恒的方法计算了在多种熔铸条件下电极的熔化率及电流的有效功率因数。
Melting ratio of electrode and efficient power factor of the current under different electroslag melting-casting conditions were calculated by energy conservation law through coupling simulation of thermo-electric field in slag pool at high temperature .
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正交双通道处理技术保留了信号的幅度和相位信息,用这种方法可以实现无理论误差地测量音频正弦信号有效功率。
The processing technique based on double channels of perpendicular retains information of the range and phase of signal . The no theory error measurement of audio sine signal active power with this method is achieved .
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举升系统的有效功率考虑井口举升混合物所具有的剩余能量与位能增量,其能耗损失包括综合滑脱损失与摩阻能耗损失。
The effective power of the lifting system comprises the residual energy and potential energy increment of the lifted mixture in the well-head . The energy loss includes the integrative slipping loss and the frictional power loss .
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根据往复泵的理论循环指示图,分别建立了气体按等温过程和多变过程压缩和膨胀时,气液均相流往复泵有效功率与有效扬程的计算公式。
On the assumption that two phase fluid of gas and liquid flows in uniform flow pattern , and that gas expands on the isothermal or polytropy process , theoretical cyclic indicating figure of the pump is drawn .
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根据发动机热平衡试验中各部分热量的计算方法,得到了发动机在各工况下的热量分配情况,包括有效功率、冷却液带走的热量、排气带走的热量和余项损失。
According to the calculation methods of parts heat , gain the heat distribution of engine in different conditions , include the effective power , heat taken away by coolant , heat taken away by exhaust and lost heat .
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对局部多孔质及全多孔质导轨就悬浮工件运动平稳性及有效功率等方面进行了对比,分析总结了两种导轨的各自特点及优势。
Comparisons between the partial and total porous conveyors are conducted from the aspect of the stability of the movement , and the effective power as well . Features and advantages for each type of the conveyor are also summarized .
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而改型方案3则较方案1(原型)的兴波阻力下降30%,其有效功率下降5.7%~3.1%,推进效率提高2.6%。
However , compared with project one , the wave resistance of project three is reduced by 30 % , the effective power is reduced by 5.7 % ~ 3.1 % and the final propulsion efficiency is increased by 2.6 % .
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根据目前抽油机井有效功率计算方法所做的一些假设并按照抽油泵的仿真循环指示图,建立了计算抽油机井有效功率的新方法。
According to some assumptions done by the effective horsepower calculating methods of pumping unit at present and the simulation of the circulating indicator of the pump , a new method to calculate the effective horsepower of pumping unit is set up .