Title: Heat island effect on outdoor meteorological parameters for building energy-saving design in a large city in Northern China

Authors: Mingcai Li; Jun Guo; Mingming Xiong; Cao Xiang

Addresses: Tianjin Climate Center, No. 100 Qixiangtai Road, Hexi District, Tianjin, 300074, China ' Tianjin Climate Center, No. 100 Qixiangtai Road, Hexi District, Tianjin, 300074, China ' Tianjin Climate Center, No. 100 Qixiangtai Road, Hexi District, Tianjin, 300074, China ' School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China

Abstract: The climate change and urban heat island (UHI) effects on outdoor meteorological parameters were determined by analysing design temperatures for heating and air-conditioning in urban centre, suburban and outer suburban areas in a large city in northern China. The results showed that design temperatures increased apparently over the past 20 years and decreased considerably from the urban centre to suburban and outer suburban areas. The climate change and UHI impacts would lead to 1%-5% changes in design loads, decreasing the heating design load and increasing the cooling design load as the buildings moves from outer suburban, suburban to urban areas and from the past to the present. The decrease in the heating load exceeds the increase in the cooling load, being beneficial to improve building energy efficiency. Climate change and UHI impacts should be fully considered to promote energy-saving of building design.

Keywords: climate warming; urban heat island; UHI; building energy efficiency; large city; design meteorological parameters; energy consumption; large cities; heating load; cooling load; outdoor conditions; China.

DOI: 10.1504/IJGW.2018.090181

International Journal of Global Warming, 2018 Vol.14 No.2, pp.224 - 237

Available online: 14 Feb 2018 *

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