Analysis and Evaluation of Thermal-cooling Loads of Office Buildings Using Carrier Software in Iran

Updata:01-01-1970

Source:
By:Rahim Zahedi, Siavash Gitifar, Mohammad hasan Ghodusinejad, Alireza Aslani, Hossein Yousefi

DOI: https://doi.org/10.30564/jsbct.v4i2.5025

Abstract:
The importance and necessity of energy saving in the world have been discussed for many years, but achieving a logical and transparent solution is still one of the main challenges and problems of the world’s economy. The rapid growth of energy consumption in the last two decades has caused the security of the domestic energy supply of buildings to face serious problems. In this research, first by entering parameters such as the type of materials, doors and windows, and the type of soil on the floor connected to the ground, etc. in the heat and cold load calculation software (HAP Carrier) as the design calculations and then in the second step entering the specifications inferred from the Iran’s national building code as a reference for energy saving calculations, calculations are performed and compared as the first criterion, and finally these two outputs are compared. The actual energy
consumption and determination of the building energy consumption index are determined as another criterion, as well as the degree of deviation from the actual consumption. The results showed that the theoretical method and the thermal and refrigeration load calculations of the Zanjan Gas Company building have 6% difference in cooling load but the heating load is about 34% different, which means for cooling loads, the theoretical model can be used with high accuracy but for heating loads, the national building code needs fundamental changes.
References:

[1] Zahedi, R., hasan Ghodusinejad, M., Aslani, A., et al., 2022. Modelling community-scale renewable energy and electric vehicle management for cold-climate regions using machine learning. Energy Strategy Reviews. 43, 100930. [2] Abergel, T., Dean, B., Dulac, J., 2017. UN Environment and International Energy Agency (2017): To￾wards a zero-emission, efficient, and resilient buildings and construction sector. Global Status Report. [3] Liu, X., Liu, X., Zhang, T., 2020. Influence of air-conditioning systems on buoyancy driven air infiltration in large space buildings: a case study of a railway station. Energy and Buildings. 210, 109781. [4] Simmonds, P., Holst, S., Reuss, S., et al., 2000. Using radiant cooled floors to condition large spaces and maintain comfort conditions. Transactions-american society of heating refrigerating and air conditioning engineers. 106(1), 695-701. [5] Gil-Lopez, T., Galvez-Huerta, M.A., O’Donohoe, P.G., et al., 2017. Analysis of the influence of the return position in the vertical temperature gradient in displacement ventilation systems for large halls. Energy and Buildings. 140, 371-379. [6] Liu, X., et al., 2018. Evaluation of air infiltration in a hub airport terminal: on-site measurement and numerical simulation. Building and Environment. 143, 163-177. [7] Wang, B., Yu, J., Ye, H., et al., 2017. Study on present situation and optimization strategy of infiltration air in a train station in winter. Procedia Engineering.205, 2517-2523. [8] Shi, Y., Li, X., Li, H., 2017. A new method to assess infiltration rates in large shopping centers. Building and Environment. 119, 140-152. [9] Huang, C., Li, M.L., Zou, Zh.J., et al., 2007. Measurements of indoor thermal environment and energy analysis in a large space building in typical seasons. Building and Environment. 42(5), 1869-1877. [10] Mateus, N.M., da Graça, G.C., 2017. Simulated and measured performance of displacement ventilation systems in large rooms. Building and Environment. 114, 470-482. [11] Mei, S.J., Hu, J.T., Liu, D., et al., 2018. Thermal buoyancy driven flows inside the industrial buildings primarily ventilated by the mechanical fans: local facilitation and infiltration. Energy and Buildings. 175, 87-101. [12] Che,W.W., Tso, Ch.Y., Sun, L., et al., 2019. Energy consumption, indoor thermal comfort and air quality in a commercial office with retrofitted heat, ventilation and air conditioning (HVAC) system. Energy and Buildings. 201, 202-215. [13] Aynur, T.N., Hwang, Y., Radermacher, R., 2009. Simulation of a VAV air conditioning system in an existing building for the cooling mode. Energy and Buildings. 41(9), 922-929. [14] Zhou, Y., Wu, J., Wang, R., et al., 2007. Energy simulation in the variable refrigerant flow air-conditioning system under cooling conditions. Energy and Buildings. 39(2), 212-220. [15] Li, Z., Sumathy, K., 2000. Technology development in the solar absorption air-conditioning systems. Renewable and Sustainable Energy Reviews. 4(3), 267-293. [16] Cho, H.J., Jeong, J.W., 2018. Evaluation of thermal comfort in an office building served by a liquid desiccant-assisted evaporative cooling air-conditioning system. Energy and Buildings. 172, 361-370. [17] Peng, P., Gong, G., Deng, X., et al., 2022. Field study and numerical investigation on heating performance of air carrying energy radiant air-conditioning system in an office. Energy and Buildings. 209, 109712. [18] Layeni, A., Nwaokocha, C., Giwa, S., et al., 2019. Design and engineering economic analysis of a variable refrigerant flow (VRF) and mini-Split air conditioning system. Current Journal of Applied Science and Technology. 34(1), 1-25. [19] Zhang, C., Xue, X., Zhao, Y., et al., 2019. An improved association rule mining-based method for revealing operational problems of building heating, ventilation and air conditioning (HVAC) systems. Applied Energy. 253, 113492. [20] Ding, Y., Fu, Q., Tian, Z., et al., 2013. Influence of indoor design air parameters on energy consumption of heating and air conditioning. Energy and Buildings. 56, 78-84. [21] Mirzavand, H., Aslani, A., Zahedi, R., 2022. Environmental Impact and Damage Assessment of the Natural Gas Pipeline: Case study of Iran. Process Safety and Environmental Protection. [22] Zahedi, R., Daneshgar, S., Seraji, M.A.N., et al., 2022. Modeling and interpretation of geomagnetic data related to geothermal sources, Northwest of Delijan. Renewable Energy. [23] Ghodusinejad, M.H., Ghodrati, A., Zahedi, R., et al., 2022. Multi-criteria modeling and assessment of PV system performance in different climate areas of Iran. Sustainable Energy Technologies and Assessments.53, 102520. [24] Zahedi, R., Seraji, M.A.N., Borzuei, D., et al., 2022. Feasibility study for designing and building a zero-energy house in new cities. Solar Energy. 240, 168-175. [25] Cengel, Y.A., 1997. Introduction to thermodynamics and heat transfer. McGraw-Hill New York. [26] Roshan, G.R., Ghanghermeh, A., Attia, S., 2017. Determining new threshold temperatures for cooling and heating degree day index of different climatic zones of Iran. Renewable Energy. 101, 156-167. [27] Wu, J., Lian, Z., Zheng, Z., et al., 2020. A method to evaluate building energy consumption based on energy use index of different functional sectors. Sustainable Cities and Society. 53, 101893.

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