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research-article

Comparison of Energy Consumption for Residential Thermal Models with Actual Measurements

[+] Author and Article Information
W. M. Hamanah

Electrical Engineering Department, College of Engineering, King Fahd University of Petroleum and Minerals (KFUPM), Center for Engineering Research (CER), Research Institute, King Fahd University of Petroleum and Minerals (KFUPM), P.O. Box 1151, KFUPM, Dhahran-31261, Saudi Arabia
g201105910@kfupm.edu.sa

Mahmoud Kassas

Electrical Engineering Department, College of Engineering, King Fahd University of Petroleum and Minerals (KFUPM), P.O. Box 1151, KFUPM, Dhahran-31261, Saudi Arabia
mkassas@kfupm.edu.sa

Esmail M. A. Mokheimer

Mechanical Engineering Department, College of Engineering, King Fahd University of Petroleum and Minerals (KFUPM), Center of Research Excellence in Energy Efficiency (CEEE), King Fahd University of Petroleum and Minerals (KFUPM), Center of Research Excellence in Renewable Energy (CoRe-RE), King Fahd University of Petroleum and Minerals (KFUPM), P. O. Box: 279, Dhahran 31261, Saudi Arabia
esmailm@kfupm.edu.sa

Belhadj A. Chokri

Electrical Engineering Department, College of Engineering, King Fahd University of Petroleum and Minerals (KFUPM), P.O. Box 1151, KFUPM, Dhahran-31261, Saudi Arabia
bachokri@kfupm.edu.sa

Syed Ahmad M Said

Mechanical Engineering Department, College of Engineering, King Fahd University of Petroleum and Minerals (KFUPM), P. O. Box: 5069, Dhahran 31261, Saudi Arabia
samsaid@kfupm.edu.sa

1Corresponding author.

ASME doi:10.1115/1.4041663 History: Received September 18, 2018; Revised September 30, 2018

Abstract

High temperature that reaches to 50 oC in summer, high humidity, and dust storms are considered the main characteristics of the climate of many countries around the world such as those in the Gulf States, Asia, and Africa. According to the latest studies, air conditioning systems in the residential areas used around 65% of the generated energy. This paper is aimed at presenting a new residential thermal model that can be used to estimate the energy consumption of air conditioning units used to achieve comfort in houses. The results of the newly developed residential thermal model will be compared with exiting residential thermal models using SIMSCAPE in MATLAB program and data measurements. Different physical properties of the house that affect the heat gains through the house envelop at different weather conditions and the internal heat gains are taken into account in the present study. Hourly, daily, monthly and annually energy consumption and COP are calculated, based on actual hourly outdoor temperature measurements and indoor generation heat for the year 2017, using the three thermal models and compared with the pertinent actual measurements. The total measured energy consumption for nine months' work in 2017 was 14488.09 kWh and the total energy consumption predicted by the simulation for the simple model, intermediate model, and comprehensive model were 8438.40 kWh, 12656.10 kWh, and 13900.61 kWh, respectively with deviations of 41.75 %, 12.65 %, and 4.05 %, respectively, from the actual measurements.

Copyright (c) 2018 by ASME
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