设计工况

结合CAD工作的开展，阐述了离心通风机非设计工况下性能预测的理论和统计分析两种方法。

Combining development of CAD work , theoretical & statistical analysis methods of performance detecting for centrifugal fan under the non design condition are set forth .

在冬夏季工况下，通过对单、双U形管的运行测试，发现都存在一个最优的设计工况。

Through the winter and summer running tests for single and double U-shaped tube , the author has found out there is an optimal design condition , that is , a certain velocity or flow rate tube for ground heat exchanger can achieve maximum heat transfer .

非设计工况下离心叶轮内湍流场的LDV测量

LDV Measurements of Turbulent Flow Field in a Centrifugal Impeller at Off-Design Flow

对某设计工况下，按正交设计方法得到的6组设计方案，使用以涵盖含气率α和静压p的综合指标λ评估，可很方便地筛选出较好的设计方案。

Design schemes under a certain working condition is obtained by using the orthogonal method , which are evaluated by the comprehensive index λ containing α and p , and an optimal scheme is screened out conveniently .

在设计工况下，C4叶轮的效率较原始等厚叶轮高1%。

In the design point the efficiency of C4 impeller is 1 % higher than that of constant thickness impeller .

在设计工况，工作区温度、速度、PMV值分布均匀。

On the design case , the distribution of velocity , temperature and PMV-PPD of workstation are well .

利用激光多普勒测速仪（LDV）对后弯闭式离心叶轮内部气流在非设计工况下的流动进行了实验测量。

An experimental investigation of the shrouded centrifugal backswept impeller flow field has been conducted at off-design flow using Laser Doppler Velocimeter ( LDV ) and shaft encoder .

焓差试验结果表明设计工况下样机实际制冷功率约为700W，循环COP约为0.31。

The test used " Enthalpy Difference Method Setup " shows that the prototype can obtain a cooling power of about 700W and COP 0.31 .

采用ASPEN系统模拟软件对某空分流程的设计工况和实际工况进行了模拟计算，其结果可以为空气深冷分离的设计和操作提供可靠的参考数据。

Design and real process of air separation flowsheet were simulated on the basis of ASPEN software system . The results can provide reliable data for the design and operation of cryogenic air separation device .

以33m巡逻船螺旋桨的设计工况优选为例，验证了优化模型的有效性。

The design working-condition of the propeller of 33m patrol ship is taken as an example in the paper , which proves the effectiveness of the optimal models .

然后基于GT-Power仿真结果，找出冷却器工作的最大热负荷工况点，以此点作为设计工况对冷却器结构参数进行计算。

Then we found out the maximum heat load operating point of EGR cooler according to GT-Power simulation results and calculated the cooler structure parameters by setting the point as design condition .

数值模拟结果显示，本文优选的的数学模型适合水泥回转窑内煤粉燃烧的数值模拟。其次，本文借助商业FLUENT软件对设计工况下燃烧器的燃烧性能进行了数值模拟研究。

The results indicated that the optimization mathematical model suitable for the numerical simulation of the pulverized coal combustion in rotary cement kiln . Next , based on the commercial FLUENT software , this paper studied the combustion performance of burner on the designed conditions by numerical simulation .

三压再热汽水系统IGCC的设计工况和变工况性能不同燃气轮机组成的增压流化床燃烧联合循环（PFBC-CC）变工况性能比较

Design and Off design Performance of the Integrated Gasification Gas steam Combined Cycle ( IGCC ) of a Triple pressure Reheat Steam water System Off Design Performance Comparison for PFBC CC Constituted by Different Gas Turbines

分析结果表明，HTR-10蒸汽发生器在设计工况下运行时，不会发生流体弹性不稳定所导致的大振幅振动，也不会产生旋涡脱落引起的联锁共振；湍流激励对小螺旋管振动的影响很小。

The results is that : 10MW HTR steam generator is running at its design situation , the large amplitude vibration induced by fluid elastic instability does not exit , neither do by vortex shedding and random turbulence excitation .

对两种方案的设计工况进行了计算。结论是：整体空分IGCC系统效率较高、空分装置集成度对于燃气轮机的功率和系统供电效率有很大影响。

Analysis of the off design performance for two kinds of operating modes provided insight to improve the efficiency of the air integrated IGCC system and the effect of the deaerator on the power output of the gas turbine and the system power supply efficiency .

对于沸水设计工况的5MW低温堆，其堆芯出口温度尚未达到饱和。

For the designed two-phase regime operation of the 5 MW nuclear heating reactor , the temperature at the core exit has not reaches its saturation value .

设计工况下，当蛇形翅片扁平管结构凝汽器积灰厚度达到1.2mm时，汽轮机背压将增加50%左右。

Under design operating conditions when dust accumulation on finned spiral flat tube-structured condensers has a thickness of 1.2 mm , the steam turbine back pressure will increase by about 50 % .

首先利用自行开发的凝汽器数值模拟程序对N-36000-1型凝汽器的设计工况热力性能进行了数值分析。

Thermal performance of an N-36000-1 steam condenser is numerically simulated under design conditions using program developed by author , which shows the rational arrangements of tube bundles .

滑塌式危岩控制设计工况数值模拟研究

Research on control design case to sliding unstable rock in FEM

离心通风机非设计工况下性能预测方法综述

General Overview of Performance Detecting for Centrifugal Under The Non design Condition

轴流式压气机叶列非设计工况沿径向气动参数的计算

A Method for Off-design Parameters of Axial-flow Compressor Blade Rows

拖网渔船螺旋桨设计工况研究

A study on propeller design in various working conditions of the trawler

非设计工况下叶轮进口附近的流动及其控制

Flow field around intake of impeller under off-design conditions and its control

离心式通风机非设计工况能量耗散研究通风机房扩散塔模板设计与施工

Design and Construction of Divergent - Cone Tower Formwork of an Aeration Machine Room

离心泵在设计工况下泵腔内压力分布的研究

Investigation of pressure distribution in pump chamber of centrifugal pump under designed operating condition

透平级非设计工况气动性能的数值模拟

Numerical simulation of the aerodynamic performance of a single-stage turbine at off-design working conditions

并求解同一工况下循环系统各状态点在设计工况下的状态参数。

Under the same condition , the parameters of different state are also computed .

本文针对非设计工况下叶栅的分离流动进行研究。

This paper focuses on the unsteady characteristic of cascade separation flow under off-design condition .

设计工况下反弯叶栅出口流场的实验研究

Experimental investigation of compressor cascade exit flow fields with negative curved blades at design conditions

由数值结果可知，在设计工况下，流动状态较好。

Due to numerical results , in design condition , the flow condition is good .