油池

The main research work of this paper are focused on following areas:(1) Based on review of the theory and methods on measurements of particle fields, a new idea for obtaining particle size and velocity distribution within a spray through imaging the particle field with a laser light sheet was put forward;(2) A DPIV (Digital Particle Image Velocimetry) system, is fit for velocity measurements of low speed flows, was developed and expended to particle size distribution measurement;(3) An arithmetic for particle velocity field reconstruction was developed, and the velocity distribution of water mist was also obtained;(4) A software system for particle analysis, which based on image geometry emend, de-noise and image partition was developed, the parameters such as particle size distribution, mean diameter, number of particles, minimum and maximum diameter can be got with this system;(5) A water mist system was developed and its characteristics, such as droplet velocity, size distribution, number of droplets and spray cone angle under different conditions were obtained from experiments with PIVS;(6) The measurement results of water mist characteristics with PIVS were compared and analyzed with the simply simulated results, and in addition, in order to verify the accuracy of PIVS, some experiments were conducted with the standard particles, such as glass-ball with known mean diameter of 50μm and 115μm, metallic coated tracing particle with mean diameter of 12μm;(7) Some experimental studies on interaction of water mist with liquid pool fires were conducted.

本论文的主要工作包括以下几个方面：（1）在对粒子场测量的相关理论和具体方法进行综述分析的基础上，提出了通过采用激光片光对粒子场进行成像以获取其粒径和速度等参数分布的新思路；（2）研制了适宜于低速流动速度场测量的DPIV(Digital Particle Image Velocimetry)系统，并使其实现了对粒子场粒径分布的测量功能；（3）研制了基于粒子运动轨迹的速度场重建算法，获取了细水雾雾场的速度分布；（4）研制了基于几何校正、去噪、图象分割等图象处理方法的"粒度分析软件系统"，该系统既可分析给出粒子场的粒径分布直方图和平均粒径，还可给出粒子的数目以及最大、最小粒径等信息；（5）建立了一细水雾发生系统，并应用上述方法对不同压力条件下细水雾系统的雾场特性（如速度分布、雾滴粒径分布、雾滴的数目、喷雾张角以及雾化长度等）进行了实验测量研究；（6）对细水雾特性参数的PIVS测量结果与计算机简单模拟计算结果进行了定性比较分析，并利用平均粒径为50μm和115μm的玻璃球以及12μm的标准示踪粒子对PIVS系统的粒径和速度测量结果进行了实验验证，同时对其局限性进行了分析讨论；（7）对不同工况条件下细水雾与油池火相互作用的过程进行了模拟实验研究。

Heat release rate is the most essential parameter for combustion process, and is often employed to study the dynamic suppression process of a pool fire under water mist application.

热释放速率是燃烧过程最基本的特性参数之一，在研究细水雾与油池火相互作用时可以用来表示其动态发展过程。

Heat release rate is the most essential parameter for combustion process,and often employed to study the dunamic supression process of a pool fire under water mist application.

热释放速率是燃烧过程最基本的特性参数之一，在研究细水雾与油池火相互作用时可以用来表示其动态发展过程。

Lubrication system mainly consists of oil pool, oil pump, oil filter, valves, and cast in the way of oil launched.

润滑系统主要由油池、机油泵、机油滤清器、阀门装置及铸于发动机体的油道组成。

It is used machatrouies and touch keyboard and touch screen transmission systemin enclosed in the oil tank at the bottel of the main body of the maching ,and it is easy to give off heat and it is near proof.

传动系统密闭在机器主体下方油箱中，是完全分离的独立部件，亦不会产生油污污染，又使传动部件浸润在油池中，易散热且耐磨。

I had just finished refilling the tank with used cooking oil from a restuarant, but I DID NOT filter the oil.

我刚念完加气站从restuarant与使用的烹调油池，但我没有过滤油。

It can be used to design and calculate the oil proof sump with tilted plate.

对于斜板隔油池，考虑到板间液流的速度分布和油滴的粒径分布，提出一个油滴脱除率的计算方法，可用于斜板隔油池的设计计算

Pipelines, manifolds and valves that connect the production wells with separators on the platform are exposed if oil or gas from the reservoir contains sand.

通过开采平台上分离器与生产井连接的管道、集管和阀门，将受到储油池中的油或者气含有的泥沙的影响。

Storage tank was disposed outside the main house; added periodicly circulating and flushing function of main oil tank; designed absolute room for main equipments of lube oil system easy for fireproofing and fiire spreading; designed drain master pipe through which all the lube oil inside pipings and equipments of the system can be drained into the storage tank.

贮油箱布置在主厂房外；增加主油箱定期循环冲洗的功能；为润滑油系统的主要设备设立独立的房间，便于防火及防止火灾蔓延；设计放油母管，检修时管道和设备中的润滑油可以全部放油到贮油箱，排污和事故时又可以直接排到厂房外的事故油池。

Variation laws of the film thickness with rotor angle, angle of swash plate, pocket pressure and pressing force were obtained. The differential equations of the variation of the film thickness were established, hence the dynamic law of the film thickness in one period was further obtained.

通过数值计算，得到了排油区滑靴油膜厚度与转子转角、斜盘倾角、油池压力、柱塞压紧力之间的变化规律，建立油膜厚度变化的微分方程，给出在吸、排油一个周期内，滑靴油膜厚度的动态变化规律。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。