Application of Computational Fluid Dynamics Simulation to Olfactory Display

Application of Computational Fluid Dynamics Simulation to Olfactory Display
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计算流体动力学模拟在嗅觉显示中的应用

DOI:
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发表时间:
2008
期刊:
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影响因子:
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通讯作者:
T. Nakamoto
T. Nakamoto
中科院分区:
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作者:
石田 寛史;H. Ishida;松倉 悠;Y. Matsukura;吉田 仁;中本 高道;T. Nakamoto

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嗅觉显示器是一种将各种气味传送到用户鼻子的设备。它可以通过释放与屏幕上显示的场景相关的气味来为电影和虚拟现实系统添加特效。为了向用户提供高度临场感的嗅觉刺激,嗅觉显示器必须能够及时生成具有适当强度的真实气味。在这里,我们建议将计算流体动力学 (CFD) 模拟与嗅觉显示结合使用。在所提出的系统中,采用CFD求解器来计算给定环境中的湍流气流场以及气味分子从其源头的扩散。使用气味混合器来产生气味,其浓度是根据计算出的气味分布确定的。与电影剪辑同步呈现气味刺激以及与变化的气流场一起生成气味刺激的实验结果表明了所提出的系统对于传递高存在感嗅觉刺激的有效性。
An olfactory display is a device that delivers various odors to the user's nose. It can be used to add special effects to movies and virtual reality systems by releasing odors relevant to the scenes shown on the screen. To provide high-presence olfactory stimuli to the user, the olfactory display must be able to generate realistic smells with appropriate intensities in a timely manner. Here we propose to use computational fluid dynamics (CFD) simulations in conjunction with the olfactory display. In the proposed system, a CFD solver is employed to calculate the turbulent airflow field in the given environment and the dispersal of odor molecules from their source. An odor blender is used to generate the odor with the concentration determined based on the calculated odor distribution. Experimental results on presenting odor stimuli synchronously with a movie clip and generating odor stimuli together with a changing airflow field show the effectiveness of the proposed system for the delivery of high-presence olfactory stimuli.
使用 SAW 设备通过嗅觉显示器产生气味的电影
DOI: --
发表时间: 2013
期刊:
影响因子: --
作者:
Yossiri Ariyakul;Takamichi Nakamoto
通讯作者: Takamichi Nakamoto