The fair curve of condenser vacuum is determined.
以汽轮机功率方程为基础,根据汽轮机变工况原理和其参数之间的变化关系,将背压变化的全过程分为亚临界工况和超临界工况,对末级进行分析计算,推导出功率增量的计算公式,确定出凝汽器真空修正曲线,有较高的精确度。
It obtains the effect and the fair curves of unit h.
本论文深入分析了调节级变工况特性,有效地简化了变工况下调节级效率的计算;提出了以改进型弗留格尔公式为基础,利用监测的压力、温度数据和汽轮机末级结构设计数据计算排汽焓的方法;建立了热力系统近似变工况计算模型;利用热经济性状态方程,对典型的600MW凝汽式汽轮机组进行了性能计算,分析得出了不同负荷下初温、初压、背压及再热汽温变化对机组能耗的影响及各参数对热耗的修正曲线;通过具体热力试验,验证了本论文建立的计算模型的准确性与精确度,为现场对试验结果的修正提供了理论依据。
Normally the sophisticated turbine variable condition thermal performance calculation for correction curve verification is not possible for site test,and simplified thermodynamics method is adopted for this purpose.
汽轮机性能修正曲线计算中通常采用简化热力学法。
To avoid the complexity that arose from directly solving the constrained optimization in L∞ norm, we present a new method, which decomposes the approximation curve into two parts: the basic curve and the correction curve.
为避免直接求解基于L∞距离的带约束逼近的非线性最优解引起的复杂性,提出了一种把降阶逼近曲线分解为基本曲线和修正曲线的降阶方法。
A new method for modification of curves is described in this paper.
提出了一种新的用于曲线修正的方法:对于初始的G2分段有理三次Bezier样条曲线,首先根据需要给出约束边界,对于与约束边界相交的曲线段,将被其所在的曲线族中的一条与约束边界相切或过约束边界顶点的曲线所取代,最后依据曲率恢复其G2连续性。
Algorithm of uniting quartic free curves based on energy method;
基于能量法光顺的四次自由曲线拼接算法
The design of garment pattern CAD relates to many modification methods,one of which is free curve modification.
服装纸样CAD设计涉及到许多修改,其中一个主要修改模块是自由曲线的修改,但目前CAD软件中的修改模块有许多不足。
Finally,it expounds mathematic model and implement methods of Hermite curve graphical element and free curve graphical element.
首先定义了符号库的树状结构;然后进行了面向对象的图元设计;最后分别针对Hermite曲线图元和自由曲线图元,阐述其数学模型,构造其实现方法。
workpieces with free-form curves and surfaces are widely used in space flight, automobile, die and mould industry.
在航空、汽车、模具等工业中,广泛存在着自由曲线、自由曲面。
A Study on Temperature Correction Curves in CATV Systems
电缆电视系统电平气温修正曲线的研究
A Method for the Modification of Curves and Surfaces with Rational Bezier;
一类基于有理Bezier的曲线曲面修正方法
Analysis and modification method for wind turbine power curve
大型风电机组功率曲线的分析与修正
To Realize Complicated Predeterminate Curve of Points on Coupler with Cam Revisory
实现复杂的预定连杆曲线的凸轮修正法
Investigation Rough Correct Rule of Unclosed Cure Elongate Flange;
非封闭曲线伸长类翻边毛坯修正规律研究
The Explanation and Rectification of Enviroment Kuznets’ Curve in China;
环境库兹涅茨曲线在我国的诠释与修正
Study on Amendment of Unit Discharge Calculated Curve of Changzhou Hydraulic Complex
长洲水利枢纽机组出流量计算曲线修正研究
Digital design of cylindrical end cam based on curve fitting and correction
基于曲线拟合修正的圆柱端面凸轮数字化设计
Modified Hyperbolic Model of High Compressibility Clay Considering Strain Strengthening Effects
考虑应变强化的高压缩性黏土修正双曲线模型
Modification of 2D shallow water and water quality model in curvilinear coordinates
曲线坐标系下平面二维水流水质模型的修正
Modified calculation method of p-y curves for liquefied soil-pile interaction
桩-液化土相互作用p-y曲线修正计算方法研究
The Impact of the Balance of the Radon Chamber on the Monitoring Curve and the Amendment
氡室平衡状态对监测曲线的影响及修正
APPLICATION OF REVISED HYPERBOLA METHOD IN THE EARLY STAGE OF SUBSIDENCE DEFORMATION OF ONE ROADBED
修正双曲线法在路基沉降变形初期阶段的应用探讨
One-dimensional Consolidation Theory Modified by Hyperbola Model under Generalized Time-depending Loading;
广义变荷载下双曲线模型修正土体一维固结理论研究
A Dynamic Amending Method for the Steering Characteristic of an Electric Power Steering System and Its Application
电动助力转向系统助力特性曲线动态修正方法及其应用
AMENDING THE POLARIZATION CURVES OF THE Q345 IN NaHCO_3 SOLUTION THROUGH THE METHOD OF EQUIDISTANCE VOLTAGE
用等距离电位法修正Q345钢在稀NaHCO_3溶液中极化曲线
The Modeling Metho d for Axia-flow Compressor Blade with Elementary Stage by Modifying the Pre-edge or Post-edge Based on Bizer Curves
基于Bizer曲线前后缘修正的轴流压缩机基元级叶片造型方法
Rapid Calculation Method of the Liquid Tank Structure Deformation Curve Used to Volume Measurement Correction
用于舱容计量修正的液货船结构变形曲线快速计算方法
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