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2Â¥2014-10-30 15:30:17
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- ·ÒëEPI: 40
- Ó¦Öú: 77 (³õÖÐÉú)
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- Ìû×Ó: 954
- ÔÚÏß: 587.1Сʱ
- ³æºÅ: 2021440
- ×¢²á: 2012-09-22
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klw8888: ½ð±Ò+5, ·ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ¸ç£¬ÎÒ´íÁË£¬±È½ÏÞ׾ݰ¡£¬ÎÒ»¹Òª°ÑÕûƪÎÄÕ·ÒëΪӢÎĵģ¬ÄãÄÜ·ñÁôÏÂQQ£¬ÎÒÃÇÁªÏµÒ»Ï£¬¸øÄ㱨³ê 2014-10-30 18:54:18
klw8888: ½ð±Ò+5, ·ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ¸ç£¬ÎÒ´íÁË£¬±È½ÏÞ׾ݰ¡£¬ÎÒ»¹Òª°ÑÕûƪÎÄÕ·ÒëΪӢÎĵģ¬ÄãÄÜ·ñÁôÏÂQQ£¬ÎÒÃÇÁªÏµÒ»Ï£¬¸øÄ㱨³ê 2014-10-30 18:54:18
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Taking Nanjing area for example, the effect of variation of night ventilation velocity on thermal response have been investigated and analyzed when the south wall of storage block of phase change materials was in sol-air temperature and different structure. It showed that phase change materials placing in hollow block performed better than that outside. Meanwhile, the maximum amplitude of surface temperature wave in the wall of the former was mere 58.3% of that outside. And optimal flow velocity of both A and B was 2m/s. Meanwhile, the minimum amplitude of surface temperature wave in the wall was 1.74 ◦ C and 3.72 ◦ C as well as the retardation coefficient was 8h and 7h. Compared to badly ventilated, influx heat indoor reduced 38.2% and 29.3% while equivalent heat resistance increased 115.8% and 88.6%¡£ Îå¸ö½ð±ÒÌ«ÉÙÁË£¬Ï´ÎÕâÑù¹À¼ÆºÜÉÙÓÐÈËÓ¦Öú ![]() ![]() |

3Â¥2014-10-30 16:13:02














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