气候变化对中国东北地区典型城市办公建筑能耗的影响

doi:10.3969/j.issn.1673-503X.2021.01.012

Abstract

Abstract:

Based on the meteorological data including air temperature, relative humidity, etc, and energy consumption data simulated with Transient System (TRNSYS) from 1961 to 2019 in three typical cities (Harbin, Changchun, and Shenyang) in Northeast China, we analyzed the impact of climate change on design meteorological parameters and energy consumption in office buildings.The results showed that the values of three office-building outdoor design parameters (i.e., outdoor design temperature for heating, and outdoor design temperature for winter air-conditioning, and outdoor design temperature for summer air-conditioning) increase in Northeast China during the past 30 years (1991-2019) in comparison with years of 1961-1990.The outdoor design temperature for summer air-conditioning has a lower increase than the rest two parameters.The outdoor design temperature for heating in the three typical cities increases by 2.1 ℃, 1.7 ℃, and 0.2 ℃, respectively.During 1961-2017, the heating energy consumption of office buildings in the three cities shows a decreasing trend in winter and an increasing trend in summer, and the annual cumulative energy consumption exhibits a declining trend.The decreasing rate of annual total energy consumption in Harbin and Changchun is higher than in Shenyang, at a rate of 5.02 MJ·m^-2/10 a, 6.15 MJ·m^-2/10 a, and 1.99 MJ·m^-2/10 a, respectively.Air temperature is a major meteorological factor that affects the energy consumption in an office building in Northeast China, accounting for 95%, 96%, and 93% of the variation in winter heating energy consumption and 72%, 71%, and 72% of the variation in summer cooling energy consumption at three cities, respectively.With a 1 ℃ increase in temperature in the three cities, winter heating energy consumption will decrease 20.6 MJ·m^-2, 21 MJ·m^-2, and 18.9 MJ·m^-2, summer cooling energy consumption will increase 15.1 MJ·m^-2, 16.1 MJ·m^-2, and 18.8 MJ·m^-2, and the annual cumulative energy consumption will decrease 5.5 MJ·m^-2, 4.9 MJ·m^-2, and 0.1 MJ·m^-2, respectively.

Key words: Climate change, Office building, Building energy consumption, Northeast China

CLC Number:

P467

Yan CUI,Xue AO,Jing-fu CAO,Xiao-yu ZHOU,Ming-cai LI,Chun-yu ZHAO,Ming-yan LIU,Rong LIN. Effect of climate change on energy consumption in office building in Northeast China[J]. Journal of Meteorology and Environment, 2021, 37(1): 91-99.

Figures/Tables 8

Table 1

Fig.1

Table 2

Fig.2

Table 3

Table 4

Table 5

Fig.3

References 34

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城市	围护结构平均传热系数/(W·m^-2·℃^-1)					外窗热工参数K值/(W·m^-2·℃^-1)				室内荷载强度
城市	外墙	屋顶	内墙	内楼板	地面	东	南	西	北	人员密度/(m²·per^-1)	人均新风量/(m³·h^-1·per^-1)	照明产热量/(W·m^-2)	设备产热量/(W·m^-2)
哈尔滨	0.45	0.35	0.6	0.6	0.38	2.5	1.7	2.5	1.7	7	30	20	25
长春	0.43	0.35	1.5	0.7	0.91	2.9	1.7	2.9	2.3	7	30	20	25
沈阳	0.43	0.35	1.5	0.7	0.91	2.9	1.7	2.9	2.3	7	30	20	25

设计参数	城市	时间段				1991—2019年与1961—1990年差值
设计参数	城市	1961—1990年	1971—2000年	1981—2010年	1991—2019年	1991—2019年与1961—1990年差值
	哈尔滨	-24.8	-24.1	-23.4	-22.7	2.1
冬季供暖室外计算温度	长春	-22.1	-21.0	-20.6	-20.4	1.7
	沈阳	-17.4	-16.8	-17.1	-17.2	0.2
	哈尔滨	-28.2	-26.9	-26.6	-26.3	1.9
冬季空调室外计算温度	长春	-25.6	-24.2	-24.1	-24.0	1.6
	沈阳	-21.5	-20.3	-20.7	-20.7	0.8
	哈尔滨	30.5	30.8	31.0	31.1	0.6
夏季空调室外计算温度	长春	30.4	30.4	30.5	30.6	0.2
	沈阳	31.3	31.5	31.5	31.7	0.4

城市	供暖能耗									制冷能耗
城市	年	冬季	10月	11月	12月	1月	2月	3月	4月	夏季	6月	7月	8月
哈尔滨	-5.02^*	-10.25^*	-0.73	-1.24	-1.09	-1.32^*	-2.89^*	-2.19^*	-0.89^*	5.23^*	1.84^*	1.43^*	1.95^*
长春	-6.15^*	-8.53^*	-0.43	-0.76	-0.84	-1.25	-2.81^*	-1.95^*	-0.91^*	2.38^*	0.92	0.5	0.96
沈阳	-1.99	-3.25	-0.08	0.09	0.14	-0.3	-2.12^*	-1.19	-0.6	1.26	0.4	0.36	0.5

城市	时间	气温	湿球温度	相对湿度	风速	太阳总辐射	最大决定系数	主要影响因子
哈尔滨	供暖期	0.95	0.96	0.18	0.19	0.01	0.96	湿球温度
	10月	0.93	0.90	0.03	0.11	0.06	0.93	气温
	11月	0.96	0.96	0.14	0.01	0.00	0.96	气温
	12月	0.98	0.98	0.01	0.06	0.01	0.98	气温
	1月	0.98	0.99	0.14	0.01	0.00	0.99	湿球温度
	2月	0.98	0.98	0.15	0.06	0.02	0.98	气温
	3月	0.93	0.90	0.00	0.04	0.00	0.93	气温
	4月	0.88	0.83	0.08	0.11	0.10	0.88	气温
长春	供暖期	0.96	0.96	0.14	0.23	0.01	0.96	气温
	10月	0.96	0.92	0.01	0.02	0.05	0.96	气温
	11月	0.97	0.97	0.15	0.01	0.01	0.97	气温
	12月	0.99	0.99	0.11	0.01	0.04	0.99	气温
	1月	0.99	0.98	0.16	0.00	0.05	0.99	气温
	2月	0.99	0.99	0.17	0.10	0.11	0.99	气温
	3月	0.95	0.95	0.07	0.09	0.01	0.95	气温
	4月	0.91	0.88	0.10	0.02	0.13	0.91	气温
沈阳	供暖期	0.93	0.94	0.02	0.01	0.03	0.94	湿球温度
	10月	0.94	0.89	0.01	0.00	0.09	0.94	气温
	11月	0.96	0.94	0.00	0.01	0.02	0.96	气温
	12月	0.98	0.98	0.01	0.06	0.01	0.98	气温
	1月	0.99	0.98	0.08	0.04	0.00	0.99	气温
	2月	0.98	0.98	0.05	0.00	0.08	0.98	气温
	3月	0.93	0.90	0.00	0.04	0.00	0.93	气温
	4月	0.91	0.82	0.13	0.02	0.23	0.91	气温

城市	时间	气温	湿球温度	相对湿度	风速	太阳总辐射	最大决定系数	主要影响因子
哈尔滨	制冷期	0.72	0.56	0.10	0.17	0.39	0.72	气温
	6月	0.85	0.42	0.38	0.11	0.47	0.85	气温
	7月	0.78	0.62	0.06	0.00	0.40	0.78	气温
	8月	0.79	0.67	0.01	0.17	0.21	0.79	气温
长春	制冷期	0.71	0.56	0.11	0.01	0.33	0.71	气温
	6月	0.86	0.26	0.54	0.00	0.46	0.86	气温
	7月	0.80	0.66	0.06	0.01	0.32	0.80	气温
	8月	0.79	0.69	0.01	0.06	0.16	0.79	气温
沈阳	制冷期	0.72	0.63	0.02	0.00	0.18	0.72	气温
	6月	0.81	0.22	0.28	0.00	0.32	0.81	气温
	7月	0.83	0.79	0.03	0.00	0.21	0.83	气温
	8月	0.79	0.80	0.06	0.00	0.05	0.80	湿球温度

Effect of climate change on energy consumption in office building in Northeast China

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