Titlebook: Decarbonize Urban Heating System; China Building Energ Building Energy Research Center of Tsinghua Univer Book‘‘‘‘‘‘‘‘ 2024 Building Energy

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https://doi.org/10.1007/978-3-642-74320-7 20–40 L per person per day. By taking the DHW consumption at 20 L per person per day, the temperature after water mixing at about 40 °C, and the tap water temperature at 15 °C, the total heat demand of DHW for urban residential buildings was estimated to be about 690 million GJ.

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978-981-99-7877-9Building Energy Research Center of Tsinghua University 2024

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https://doi.org/10.1007/978-3-658-18244-1Urban heating in China mainly consists of building heating, industrial heating, domestic hot water (DHW), and steam for functional buildings. The overall heat source structure of the foregoing categories is shown in the diagram below, and fossil energy is still in the majority.

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Das RPE in der Myopie-EntwicklungTo achieve the goals of carbon peaking and carbon neutrality (the carbon peak and neutrality goals), China needs to complete the transition from fossil energy to zero-carbon energy.

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,China’s Building Energy Use and GHG Emissions,In recent years, urbanization has grown rapidly in China. In 2021, China had an urban population of 914 million and a rural population of 498 million, with the urbanization rate rising from 37.7% in 2001 to 64.7%