山东大学能源与动力工程学院第11期赋能讲坛

一、报告题目

Air Distribution and Thermal Comfort in Energy Efficient Buildings

节能建筑中的空气分布和热舒适性

二、报告人

Essam E Khalil，教授，开罗大学机械工程系教授

三、报告时间

2019年9月19日晚19:00

四、报告地点

山东大学兴隆山校区教学楼

五、报告人简介

Khalil教授1971年在开罗大学机械工程系获得学士学位并于1973年获得硕士学位，后于英国伦敦大学帝国理工学院获得博士学位和DIC。现任开罗大学机械工程系教授。Khalil教授在陆地和航空航天应用方面的的燃烧室设计和仿真有超过48年的研究经验。在燃烧，能源及室内空气质量控制领域内，出版了14本英文书，发表了共至少940篇期刊论文和会议论文，开设和提供传热，燃气轮机及陆地能源的高级课程。

ASME Fellow，ASHRAE Fellow，AIAA Fellow.

2009年ASME George Westinghouse奖金获得者。

2012年ASME Harry Potter奖金获得者。

美国Large ASHRAE总干事（2016-2019）

Khalil是ISO TC205 WG2：节能建筑环境召集人，ISO TC163 WG4建筑物能源性能的整体方法召集人。

CEN TC371 WG1会员。

埃及和阿拉伯暖通空调编码委员会主席。

埃及通风规范委员会主席。

埃及室内空气质量标准委员会主席。

六、 报告摘要

Abstract: This work is devoted to the investigation of the influence of the room architecture design on the efficiency of the flow of air-conditioned supply to create high quality and comfort environment in the space. The present work is devoted to investigate the relation between airflow movement and air age and the different space architecture and application. This varies from simple study room, teaching theatres, movie theatres, sports facility, and surgical operating spaces. The present work made use of a well-developed Computational Fluid Dynamics (CFD) model based on turbulence models that has been further developed and refined to predict the air flow regimes, turbulence characteristics, air temperature, and relative humidity distributions in enclosed spaces. In the present work, a commercial CFD program, previously developed and modified, is utilized to predict the air characteristics in spaces. A full three dimensional solution of the continuity, three momentum equations as well as the energy conservation equation is described and fully utilized with adequate tetrahedral grid of sizes between 3 and 8 million grid nodes. The turbulence characteristics are represented by a wide variety of turbulence models appropriate for the room geometrical configuration and application. The airflow velocity, turbulent kinetic energy will be used as indicators of the IAQ level performance of the present application. Actually, different ceiling air supply designs were investigated would provide a solution for the complex situation of different applications by providing acceptable IAQ level in the occupancy zone with enough energy efficiency. The work includes comparisons between various air conditioning designs in view of flow pattern, thermal pattern, and water vapour map and air quality indices.

Energy Efficiency in Air-conditioned spaces was found to depend on the room /space architecture design configurations and operating parameters. The room architecture design is one of the essential factors that strongly influence the HVAC airflow pattern and consequently the air quality and comfort. The present work also introduces some recommendations for architectural designs to facilitate the development of optimum HVAC systems.

七、主办单位

山东大学能源与动力工程学院