Through an Internet-based survey using virtual spaces which assumes department stores, we clarified the tendency that differences in surrounding situation affect the egress selection, such as stairs, escalators, and elevators, and verified effective evacuation route for fire evacuation in department stores based on the survey results. And the following findings were obtained.

1. Male are more likely than female to prefer escalator evacuation,

2. More than 90% did not attempt to use elevators regardless of surrounding situation,

3. Stairs are considered the preferred route, but escalators are chosen when stairs are crowded or not directly visible.

In this study, we focus on the outdoor spaces at Hiroshima University, examining students’ environmental needs and seating behaviors in three different usage scenarios: Ⅰ. staying alone, Ⅱ. interacting with familiar individuals, and Ⅲ. interacting with unfamiliar individuals. This study aims to clarify the design of outdoor spaces suited to various activities, not only for solitary stays and interactions with familiar people but also to facilitate broader interactions among students.

In this paper, the transmission characteristics of float, low-E and heat-reflective glasses were measured in 24 GHz band using the free-space method. The characteristics of float glasses were −0.7 – −3.5 dB, those of low-E and heat-reflective glasses were −19 – −33 dB and −2.6 – −9.9 dB at 24 GHz. The relative permittivity and dielectric loss tangent of the float glass were measured as 6.9 ± 0.05 and 0.02 ± 0.003. The sheet resistances of the metal foils in low-E glasses were estimated to be 1.9 – 14 Ω/sq. and it was found the sputtered films are suitable for the high shielding performance.

In this study, we assessed the impact of passive design using both HVAC load and Thermal Autonomy. We calculated the impact quantitatively through large-scale computer simulations and multiple regression analysis. The results quantitatively showed that the impact of passive design elements – such as insulation, indoor thermal mass, and various solar shading/acquisition techniques –varies by region, and identified the effedtive passive design measures for each region. It was also found that the impact of passive design techniques differs significantly when evaluated by HVAC load versus Thermal Autonomy, sometimes even leading to opposing results.

In CFD analysis of radiant cooling panels, it is challenging to accurately reproduce the detailed geometry, which often leads to the use of simplified models. Consequently, the material volume in the constructed model is altered, resulting in a heat capacity that differs from that of the actual radiant panel. This discrepancy makes it difficult to accurately predict dynamic heat dissipation, thermal storage, and surface temperature variations in non-stationary analyses. To address this issue, a heat capacity correction method is proposed to enable the CFD model to accurately replicate the surface temperature response of the radiant panel under non-stationary conditions.

Recently, it is important to evaluate heat risk for the prevention of heatstroke in urban areas. In this study, we use the method for LES coupling with radiation and conduction model in Tokyo on extremely hot day in summer of 2018. The inflow turbulence was considered meteorological disturbances and atmospheric stability based on the WRF-LES result. The analysis results were compared with the observation data at Kitanomaru, the weather observatory, and confirmed the accuracy of the prediction. WBGT was more than 31℃ (“danger” rating) occurred intermittently in low-velocity areas, for examples, in the sunny and wake area of high-rise building.

This study aims to propose a series of indicators that describe the characteristics of landscape elements, which can be used to predict the psychological evaluation of river landscape complexity and openness. Firstly, we proposed the indicators which is applicable for landscape image in previous study. Then we conducted a psychological evaluation experiment using 48 images that demonstrate different patterns of buildings and trees. According to the result, this study added indicators specifically tailored for landscape images contain trees. Finally, a predictive model performed well, which is applied to predict complexity and openness of landscapes with greenery, is constructed.

Environmental characteristics of Glued Laminated Bamboo (GLB) was analyzed in the following three aspects.

1. Carbon footprint in the product stage of Glued laminated Bamboo (GLB) and carbon storage capacity of GLB were assessed.

2. Low-carbon measures for the GLB production, such as rationalization of transportation process, were discussed.

3. Resource efficiency of bamboo and GLB was discussed in comparison with timber product (Glulam)