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Air Dispersion Characteristics and Thermal Comparison of Traditional and Fabric Ductwork using Computational Fluid Dynamics.

机译:传统风管和织物风管的空气扩散特性以及使用计算流体动力学进行的热比较。

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摘要

This thesis research compares the air dispersion and thermal comfort characteristics of conventional diffuser and fabric-based ductwork systems. Heating, ventilation, and air-conditioning (HVAC) systems in buildings produce and regulate airflow traveling through ductwork. The performance characteristics of conventional ductwork are compared with recent advancements in fabric-based ductwork. Using computational fluid dynamics (CFD) analysis, thermal and air distribution flow patterns are compared between the two types of ductwork and preliminary thermal comfort and efficiency conclusions are drawn. Results of the Air Distribution Performance Index (ADPI) for both ducting systems reflect that, under the given test conditions, the fabric duct system is approximately 23% more comfortable than the traditional diffuser system in terms of air speed flow uniformity into the space, while staying within the Effective Draft Temperature comfort zone of -3 to +2°F.
机译:本文的研究比较了传统扩散器和基于织物的管道系统的空气扩散和热舒适特性。建筑物中的供暖,通风和空调(HVAC)系统产生并调节通过管道系统的气流。将传统风管的性能特征与基于织物的风管的最新进展进行了比较。使用计算流体动力学(CFD)分析,比较了两种管道系统之间的热力和空气分布流型,并得出了初步的热舒适性和效率结论。两种风管系统的空气分配性能指数(ADPI)的结果都反映出,在给定的测试条件下,就进入空间的空气流速均匀度而言,织物风管系统比传统的扩散器系统舒适约23%,而保持在-3至+ 2°F的有效吃水温度舒适度范围内。

著录项

  • 作者

    Adhya, Sriya.;

  • 作者单位

    The Cooper Union for the Advancement of Science and Art.;

  • 授予单位 The Cooper Union for the Advancement of Science and Art.;
  • 学科 Engineering Mechanical.;Energy.
  • 学位 M.E.
  • 年度 2014
  • 页码 169 p.
  • 总页数 169
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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