Studies on Pleasantness on Office Environment

“Comfort”有两个意思。一种是负面舒适感，也就是一种没有“不愉快”的感觉。另一种是与“有趣”、“快乐”或“感觉良好”搭配的积极舒适感。后者被称为“愉悦”。目前的技术已经解决了建筑环境工程的问题，我们获得了没有不适的空间。但这些空间同时也不会有“舒适的温暖或凉爽”这样的舒适感。本研究的目的是将“愉悦理论”应用于实际，建立办公环境的评价方法。研究结果如下：1)视觉环境：用调光器制作了一个模拟窗口，并进行了“可接受玻璃”的实验。阐明了被摄体朝向模拟窗户的方向、桌子的光照、窗户的立体角度等因素对舒适性的影响。此外，我们还利用视觉刺激发生器对颜色知觉和光与人体昼夜节律的关系进行了研究。2)热环境；我们以“低湿度”和“出门进场”为实验条件，研究了“愉悦”与生理/心理反应之间的关系。此外，我们还对个人操控的天花板喷嘴单元进行了实验，测试了个人空调系统的舒适性。我们概括了舒适性理论应用于办公环境的评价方法。

'Comfort' has two means. One is negative comfort that is a feeling without 'unpleasant.' Another one is positive comfort that goes with 'interesting,' 'happy' or 'feel good.' The latter is called 'pleasantness.' The current technology has solved the problems of architectural environmental engineering and we obtain spaces without discomfort. But these spaces simultaneously had no pleasantness like 'comfortably warm or cool.' The purpose of this study is to establish the evaluation method on office environment applied 'Pleasantness theory' into practice.Our outcomes were as the follows :1) Visual environment ; we made a simulated window with the dimmer and conduced the experiments about 'acceptable glare.' We clarified the difference of pleasantness caused by the direction of subject to the simulated window, the illumination of the desk, the solid angle of the window and so on. Furthermore, we made studies about color perception using a visual stimuli generator and relations between light and human's circadian rhythm.2) Thermal environment ; we treated 'low humidity' and procedure with 'go out and in' as the conditions of experiments and showed the relations between 'pleasantness' and physiological/psychological reactions. In addition, we conducted an experiment with the ceiling nozzle unit that was personally controlled, and tested 'pleasantness' of a personal A/C system.We generalized the evaluation method of office environment applied by 'Pleasantness theory.'