...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of hydro-environment research >A jet at an oblique angle to a cross-flow
【24h】

A jet at an oblique angle to a cross-flow

机译：与射流成斜角的射流

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

We present the results of a preliminary experimental investigation into the behaviour of non-buoyant oblique discharges in a moving ambient fluid. Light Attenuation techniques are employed to measure trajectory, spread and integrated dilution data. A series of experiments have been conducted where the angle between the discharge direction and that of the ambient motion varied from 0 to 90 degrees. The experiments confirm that the nature of the discharge in the strongly advected region is only a function of this discharge angle. For angles less than or equal to 20 trends in the data obtained in the strongly advected region resemble that of a Gaussian weak-jet. For discharge angles of 40 and above the variation in strongly advected data was consistent with that of an advected line momentum puff, where the local tracer and velocity fields resemble those of a vortex pair. However, for flows released at discharge angles between 20° and 40°, the formation of a Gaussian weak-jet or an advected line momentum puff could not be clearly identified in the strongly advected region. A conceptual model based on a set of analytical solutions is outlined and this provides the basis for interpreting the experimental data. Lagrangian integral numerical models are also developed to aid in the interpretation of the data.
机译：我们提出了对移动环境流体中非浮力斜向排放行为进行初步实验研究的结果。光衰减技术用于测量轨迹，扩散和积分稀释数据。已经进行了一系列实验，其中排放方向与环境运动的角度之间的角度在0到90度之间变化。实验证实，在强对流区域中放电的性质仅是该放电角度的函数。对于小于或等于20的角度，在强对流区域中获得的数据趋势类似于高斯弱射流的趋势。对于40度及以上的放电角，强对流数据的变化与对流线动量扑动的变化一致，其中局部示踪剂和速度场类似于涡旋对。但是，对于以20°和40°之间的排放角释放的流量，在强对流区域无法清楚地识别出高斯弱射流的形成或对流线动量的抽吸。概述了基于一组分析解决方案的概念模型，这为解释实验数据提供了基础。拉格朗日积分数值模型也被开发来帮助解释数据。

著录项

  • 来源
    《Journal of hydro-environment research》 |2009年第2期|69-76|共8页
  • 作者

    G.A. Kikkert; M.J. Davidson; R.I. Nokes;

  • 作者单位

    Department of Civil and Natural Resources Engineering, University of Canterbury, Christchurch, Private Bag 4800, New Zealand;

    Department of Civil and Natural Resources Engineering, University of Canterbury, Christchurch, Private Bag 4800, New Zealand;

    Department of Civil and Natural Resources Engineering, University of Canterbury, Christchurch, Private Bag 4800, New Zealand;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    jet; crossflow; oblique; experimental data;

    机译：喷射;横流;斜;实验数据;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号