kiva

A Correction to the Gas Fluid Coupling Algorithm in KIVA Code

对KIVA程序中气液耦合算法的修正

Correction to Mathematical Model of Particle Tracking in KIVA Code

对KIVA程序中粒子跟踪数学模型的修正

Some algorithms to improve the grid generation in KIVA program are proposed .

针对KIVA程序中网格生成方法的若干问题，提出了改进算法。

KIVA : A Computer Program for Chemically Reactive Flow with Spray (ⅰ)

KIVA：一种计算带有化学反应流和喷雾的多维流动模拟程序（Ⅰ）

Application of KIVA Program to Numerical Simulation of Internal Flowfields in Solid Rocket Motor

KIVA程序在固体火箭发动机内流场数值模拟中的应用

The improvement of mesh generation method in Kiva code and the application of Reynolds stress turbulent models

KIVA程序网格生成算法的改进及雷诺应力模型计算

A new coherent flame model put forward by the authors has been realized in KIVA ⅱ program in this paper .

本文在KIVA－Ⅱ程序中实现了由作者提出的一个新的相关火焰模型。

The air motion in different geometrical chamber is calculated using KIVA - ⅱ program under the condition of compress process .

在柴油机纯压缩工况下，用KIVA&程序对不同几何形状燃烧室气流的运动进行数值计算。

Kiva works with microfinance organizations in forty-two countries .

Kiva跟42个国家的小额信贷组织有合作关系。

Grid model of the designed nozzle and original chamber is built by using KIVA software , nozzle 's parameter is optimized .

用KIVA软件建立喷油嘴和燃烧室燃烧网格模型，优化喷油嘴参数。

Kiva spokeswoman Fiona Ramsey says the site has grown even with the economic downturn .

Kiva网站的发言人FionaRamsey表示，虽然经济下滑，该网站还是保持蓬勃发展。

The model was then coupled with KIVA program and various forms of spray wall-impingement were numerically simulated .

将该模型与KIVA程序耦合，对多种形态的喷雾碰壁进行了模拟计算。

The total value of loans made through Kiva , she says , is nearing fifty-two million dollars .

她说，通过Kiva创造的财富价值总额正接近五千二百万美元。

The KIVA program developed by Los Alamos national lab of United States is introduced in this paper , and ALE is described .

本文介绍美国LosAlamos国家实验室推出的KIVA程序，描述发展的ALE法。

Kantner says one of the most interesting discoveries is a possible Kiva , the ceremonial structure where people would meet for warship and decision making .

坎特纳称最有趣的一个发现是可能的地穴，这是人们用于朝拜及做出重大决策的宗教建筑。

The modification to KIVA program in grid generation , boundary conditions and convergence criterion has been made to simulate turbulent flow in manifold junctions .

本文在网络生成、边界条件、收敛准则等方面对KIVA程序进行了改进，以便模拟三分支管内气体流动；

Instead of foreign aid , fund Kiva , a platform that allows individuals with capital , however small , to lend directly to development entrepreneurs who need it .

不是直接对外援助，而是资助Kiva平台，无论数额有多小，拥有资金的个人都可以通过该平台直接借钱给需要资金的创业家。

For the wave equation , corresponding difference equation is constituted and the stability conditions while it is coupled with KIVA calculation and mathematics justifications are provided .

根据所得方程构造相应的差分方程，给出了在与KIVA相结合时计算的稳定性条件及其数学证明。

We were able to find rooms , we think we may have been able to find as I mentioned before at least one kiva there 's blow to surface .

我们能够找到房屋，我们认为可能已经能够找到我之前提到的至少一个低于地表的地穴。

The three dimensional velocities of the manifold junction with a rectangular section were measured by use of three dimensional particle dynamic analyzer ( 3D PDA ) to verify the modified KIVA program .

利用3维粒子动态分析仪（3D－PDA）测量了矩形截面三分支管试验件的3维速度场，以验证改进后的程序软件的可靠性；

The application of KIVA and KIVA ⅱ codes shows that there is a mistake in the mathematic model of particle tracking , which may lead to great absolute error and even complete distortion of the prediction results .

在应用中发现KIVA、KIVA－Ⅱ程序中的粒子跟踪数学模型存在错误，该错误将导致在某些情况下较大的绝对误差，甚至预测完全失真的结果。

The submodels of oil droplet breakup and spray impingement in KIVA - ⅱ code are updated . The updated code is used to make visual study of spray process in a swirl chamber diesel engine .

通过改进KIVA－Ⅱ程序中的油滴破碎和喷雾碰壁两个子模型，在微机上对涡流室式柴油机燃油喷雾过程进行可视化研究。

The results show that the model has been built based on KIVA can correctly reflect on diesel engine combustion and GHG emission in the cylinder , and provide guidance to researching the combustion and emission of the diesel engine .

研究结果表明，本文采用的基于KIVA建立的模型能够较清晰地反映柴油机缸内燃烧和温室气体排放，对优化柴油机燃烧和排放具有一定的参考价值。

In March , Amazon.com Inc. ( AMZN ) announced it is paying $ 775 million to buy Kiva Systems Inc. , a maker of squat , cube-shaped robots that move products around shipping centers .

2012年3月，亚马逊公司（Amazon.comInc.）宣布斥资7.75亿美元收购KivaSystemsInc.公司，后者专门生产在运输中心用于移动仓储物品的矮胖结实的立方形机器人。

The combustion process in the combustion chamber was simulated by use of KIVA - ⅱ code for direct-injection diesel engine . The fuel vapor quantity and combustion temperature and NOx concentration were calculated through changing the size of the nozzle hole .

利用KIVA-Ⅱ程序模拟计算直喷式柴油机燃用柴油时缸内的燃烧过程，如混合气形成过程、缸内温度场、主要有害物质NOx的生成浓度分布等。

The combustion in a small DI diesel engine fueled with dimethyl ether ( DME ) was simulated by using CFD code KIVA . The spray models included the nozzle cavitation flow , jet atomization , droplet breakup and spray wall interaction .

使用KIVA程序模拟了小型直喷式柴油机燃用二甲基醚（DME）的喷雾燃烧过程，其中的喷雾模型包括喷嘴空穴流动、射流雾化、液滴破碎和喷雾碰壁等子模型。

Through comparison with the experiment , it show that the quasi-dimensional gas jet model and KIVA program can accurately forecast the spray expand and mixing process of LPG / diesel fuel blend . The character of spray from simulation and test is basically consistent with the each other .

对比分析表明，气相射流模型和多维KIVA模型均能较为准确地预测LPG/柴油混合燃料的喷雾扩展和混合过程，模拟计算与试验所得的喷雾形态基本吻合。