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一、前言炎热地区的人们听说住宅要建成东西朝向,真可谓“谈虎色变”,甚至搬入南北朝向住宅的西部端头的住户也是很不乐意的,原因很简单,系气候特征所造成。下面以江西南昌为例作一介绍。 (一)夏季气温较高,持续时间较长,据气象局50年至78年的资料统计,7、8两月气温高于35℃的各有14天、12天,绝对最高温度发生在午后三、四点钟。 (二)南昌地区日照时间较长,太阳辐射强烈:7.8两月、月日照时数超过260小时,即大部分天数是晴天。 (三)南昌地区常年主导风向为东北风,而夏季
I. INTRODUCTION People in hot regions have heard that houses must be built with east-west orientation. It is really a matter of changing the landscape. Even households that move into the western end of the north-south house are very unwilling. The reason is simple. It is caused by the climate characteristics. The following takes Nanchang, Jiangxi as an example. (a) Summer temperatures are high and last longer. According to the statistics of the Bureau of Meteorology from 50 to 78 years, the temperatures in July and August are higher than 35°C for 14 days and 12 days respectively. The absolute maximum temperature occurs in the afternoon. Three or four o’clock. (2) The sunshine duration in Nanchang is longer and the solar radiation is intense: 7.8 In two months, the number of hours of sunshine in the month exceeds 260 hours, that is, most days are sunny. (C) The prevailing wind direction in Nanchang is northeast wind, while in summer