Case Study: Impacts of Air-Conditioner Air Supply Strategy on Thermal Environment and Energy Consumption in Offices Using BES–CFD Co-Simulation

Author:

Wang Luhan1,Li Guannan12345,Gao Jiajia15,Fang Xi6,Wang Chongchong1,Xiong Chenglong1

Affiliation:

1. School of Urban Construction, Wuhan University of Science and Technology, Wuhan 430065, China

2. Anhui Province Key Laboratory of Intelligent Building and Building Energy-Saving, Anhui Jianzhu University, Hefei 230601, China

3. Key Laboratory of Low-Grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education of China, Chongqing University, Chongqing 400044, China

4. State Key Laboratory of Green Building in Western China, Xi’an University of Architecture & Technology, Xi’an 710055, China

5. Hubei Provincial Engineering Research Center of Urban Regeneration, Wuhan University of Science and Technology, Wuhan 430065, China

6. College of Civil Engineering, Hunan University, Changsha 410082, China

Abstract

Due to energy constraints and people’s increasing requirements for indoor thermal comfort, improving energy efficiency while ensuring thermal comfort has become the focus of research in the design and operation of HVAC systems. This study took office rooms with few people occupying them in Wuhan as the research object. The EnergyPlus-Fluent co-simulation method was used to study the impact of 12 forms of air distribution on the thermal environment and air-conditioner energy consumption. The results indicate that 3 m/s supply air velocity and 45° supply air angle are more suitable for the case model in this study. The EnergyPlus-Fluent co-simulation method used in this paper provides a reference for the study of indoor environments in offices with few people occupying them.

Funder

Key Laboratory of Low-grade Energy Utilization Technologies and Systems of Ministry of Education of China

State Key Laboratory of Green Building in Western China

Anhui Province Key Laboratory of Intelligent Building and Building Energy-saving

Wuhan University of Science and Technology

2021 Construction Technology Plan Project of Hubei Province

Excellent Young and Middle-aged Talent in Universities of Hubei, China

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Biochemistry,Instrumentation,Atomic and Molecular Physics, and Optics,Analytical Chemistry

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