对选定参数的空气预冷换热器作了全工况跟踪计算。
A calculation followed all operating conditions is made to air-precooled heat exchangers, parameters of which are selected.
近年来有些机组建成不带单元电源,辅助设备由全工况的起动电源供电。
Some units in recent years have been built without the unit source, with the auxiliaries being supplied from the start-up source for all operating conditions.
涡轮增压器不能满足柴油机全工况运行的需要,使部分负荷扭矩不足,热负荷增大。
Turbocharger engine can not meet all the needs of the operational state, resulting in the part-load torque inadequate and heat load increases.
然后对室内机全工况数据进行分析,利用最小二乘法拟合了制冷量随工况变化的函数。
Secondly, according to the data in all condition, the lease square method is used to obtain the function indicated the change of refrigerating capacity associated with various conditions.
采用一种快速求解三维粘性流场的计算方法求解轴流压气机的内部流场及全工况特性。
The internal flow field of a single-stage axial compressor is analyzed using a fast full 3-D viscous flow calculating method.
建立了适合于电站运行情况的全工况优化数学模型,并应用最优化计算方法进行了求解。
For the generator operation conditions of full range of loads optimization model was established and the model was solved by use of optimization computation approach.
以模块化建模方法建立了微型燃气轮机的全工况的动态数学模型,并通过流体网络对其进行了求解。
A mathematical dynamic model of micro gas turbines for all operating modes has been established by the modular modeling method and fluid networks used for obtaining solutions.
通过分析研究低压缸全工况三维流场,可深入了解透平内部流动机理,有助于进一步优化空冷机组设计。
Through the study for the full 3-d flow field of LP casing under all conditions, the internal flowing mechanism of the turbine shall be known clearly to optimize the design of air cooling units.
实验结果表明:所建立的苏制5 0 0MW超临界压力直流锅炉全工况的实时仿真数学模型具有良好的动态特性。
The experiments show that the full scope real time simulation mathematical model of Russia made 500MW units supercritical once through boiler has excellent dynamic characteristics.
提出组合发动机空气预冷换热器可供选用的板翅式和管束式两种结构型式。对选定参数的空气预冷换热器作了全工况跟踪计算。
In this paper, two kinds of structural types of air-precooled heat exchangers, plate-fin and tube bundle, chosen and used for composite engines are suggested.
论文结合增益调度控制方法、状态反馈控制理论和PID控制器设计方法,得到一些适用于非线性热工对象全工况运行的控制方案。
In this dissertation, some control schemes based on gain scheduled and state feedback control theory and PID controller were proposed to control the nonlinear parameter-varying thermal objects.
计算得到了NASA37号低展弦比、跨音速轴流压气机级70%设计转速下的全工况性能曲线,并重点分析了其中一些典型工况下的内部流场。
The overall performance for NASA 37 low-aspect ratio compressor stage at 70% design rotating speed was obtained and the internal flow fields at typical operating conditions were emphatically analyzed.
同时对稀薄燃烧、增压中冷发动机做了ECUI/O标定、怠速标定、冷启动标定、对电控系统进行全工况内点火提前角的标定、内空燃比的标定、发动机增压压力标定。
Then basic calibration such as ECU I/O calibration, idle speed calibration, cold start calibration, ignition advance calibration, air fuel ratio calibration, boost pressure calibration are conducted.
通过一系列实验,研究了热湿交换材料特性、通道长度和运行工况等因素对全热交换器热回收效率的影响。
Through a series of experiments, studies the influence of material properties, passage dimensions and operating conditions on the cross-flow heat recovery ventilator (CFHRV).
通过理论分析提出了风机盘管全冷量和显冷量的两种计算方法:效率法和工况转换法。
Presents two calculating method of total cooling capacity and sensible cooling capacity by a theoretical analysis, namely the efficiency method and the condition transformation method.
本文首先分析了发动机的全负荷速度特性、部分负荷特性和变量泵在不同的工况下的效率特点。
This dissertation has analyzed the full-load speed characteristics of the diesel engine, some load tempo characteristics and characteristics of variable pump at first.
试验结果表明,在相同试验工况下,混合陶瓷球轴承的使用寿命低于全钢轴承,但是其沟道表面的磨损情况优于全钢轴承。
Test results show that the life of ceramic ball bearing is lower than steel ball bearing under the same working condition, but the wear condition of its ring is better.
而且SG参数随着不同运行工况变化而变化,传统的固定参数PID控制系统难以在全功率范围内取得令人满意的结果。
Whats more, SG parameters undergo large changes according to different operational conditions. The SG cannot work satisfactorily with conventional fixed PID gains over full operating range.
本文对四段全控桥电路在整流、逆变工况的微机实时控制进行了理论阐述和物理模拟试验。
This paper concerns the microcomputer-based real-time control of four-step controlled bridge which works both in the mode of rectifier and inverter.
当处于焊接工况时,变压器次级采用全波整流方式,工作电压输出为36V;
The secondary side of the transformer uses the way of full-wave rectification and the output voltage is 36V, when it is in jointing.
夏季工况下,我国大部分地区空调系统中全热换热器的全热效率主要受潜热效率影响。
The total heat efficiency of total heat exchanger in air-conditioning system is mainly influenced by the sensible heat efficiency under summer conditions in most areas of China.
为解决低速全油门扭矩和自由加速烟度的矛盾,提出了加速工况的“柔性油门”。
The concept of the "soft accelerator" is developed in order to get a trade-off for the torque of lower speed and full load and the smoke in free acceleration.
全负荷工况增加进气流量,提高了动力性。
Torque and power are enhanced in full load resulting from increasing intake gas mass.
由全尺寸框向模拟试件简化过程中 ,遇到复合载荷工况 ,而这种复合载荷不适合在疲劳机上进行加速试验。
The combined load cases were encountered which were not suited for working of fatigue machine during simplification of simulative specimens which were simplified from the full scale titanium frame.
在全桥有限元分析的基础上,对实桥拱墩连接处完成了三种最不利荷载工况下局部精细的空间有限元分析。
Based on the finite element analysis of the bridge, a refine local space finite element analysis of the bridge was completed under three worst-cases of load.
在全桥有限元分析的基础上,对实桥拱墩连接处完成了三种最不利荷载工况下局部精细的空间有限元分析。
Based on the finite element analysis of the bridge, a refine local space finite element analysis of the bridge was completed under three worst-cases of load.
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