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Unsteady simulation of energy performance and thermal comfort in non-residential buildings

机译：非住宅建筑中能量性能和热舒适性的不稳定模拟

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摘要

Glazing systems have an important role in buildings. Many studies show that health, comfort and productivity are improved thanks to the contribution of natural light. The aim of the present paper is to evaluate the thermal comfort indexes and the energetic performance of a lecture room in unsteady-state conditions. The research is addressed to non-residential buildings and it consists of two parts: experimental investigation and numerical analysis. Experimental campaigns were carried out in a lecture room of the Faculty of Engineering at the University of Perugia. Several parameters were measured: indoor and outdoor air temperature, solar radiation, surface temperature of external walls, glasses and frames, etc. The thermal comfort indexes (such as Predicted Mean Vote, PMV, and Predicted Percentage of Dissatisfied, PPD) were calculated. The simulations of the thermal behaviour of the tested room were performed using both ENERGYPLUS and TRNSYS softwares. Simulation models were tested and validated with experimental data; a new weather database was compiled for Perugia, by using the measured hourly data for air temperature, solar radiation and relative humidity. The analysis allowed to compare some different scenarios (glazing types and building orientation) in terms of thermal comfort indexes and energy demand.
机译：玻璃系统在建筑物中具有重要作用。许多研究表明，由于自然光的作用，健康，舒适度和生产率得到了改善。本文的目的是评估非稳态条件下教室的热舒适指数和能量性能。该研究针对非住宅建筑，包括两部分：实验研究和数值分析。实验运动是在佩鲁贾大学工程学院的演讲室进行的。测量了几个参数：室内和室外空气温度，太阳辐射，外墙，玻璃和框架的表面温度等。计算了热舒适指数（例如预测的平均投票，PMV和预测的不满意百分比，PPD）。使用ENERGYPLUS和TRNSYS软件对测试房间的热行为进行了仿真。仿真模型已通过实验数据进行了测试和验证；通过使用每小时测得的气温，太阳辐射和相对湿度数据，为佩鲁贾（Perugia）建立了一个新的天气数据库。该分析允许根据热舒适指数和能量需求比较一些不同的场景（玻璃类型和建筑物朝向）。

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