
铝排管
YI、JIANJIE:
LVPAIGUANZHUYAOYONGYU10-45℃DELENGZANGKUZHILENGXITONG,SHIGESHIPINLENGDONGHELENGZANGKULIXIANGDEZHENGFAQI。TADECHUANREXISHUZAI-40℃~0℃ZHENGFAWENDUXIAK≈9~14w/m2℃,GANGPAIGUANCHUANREXISHUZAI-40℃~0℃ZHENGFAWENDUXIAK≈8~13w/m2℃,YINCI,ZAITONGYIGELENGKUZHONG(ZAIXIANGTONGDEFUHEXIA),GAIPAIGUANDEZHENGFAMIANJIXIAOYUGANGZHIPAIQIGUANDEZHENGFAMIANJI。LINGWAI,CONGLVCAILIAOZONGHECHENGBENHEYOULIANGDEYAZHUGONGYILAIKAN,LVPAIGUANDEDANWEIMIANJIJIAGEGAOYUGANGPAIGUAN,DANLVZHIGUANDEXINGNENGYUANGAOYUGANGPAIGUAN,ZHENGTIXINGJIABIYUGANGPAIGUANXIANGBIYAOGAOYIXIE。
ER、LVPAIZHENGFAQIDEZHILENGLIANG
GENJUSHICHANGSHANGYONGSHEBEIZHILIANGJIANDUJIANYANBUMENCHUJUDEKZHI≈10W/(m2·℃) [PINGJUNZHI] SHIYANBAOGAO,KEXUEJISUANLVPAIQIZHENGFAQIDEZHILENGLIANG。GENJULENGKUSHEJIGUIFANQ=K·FΔt,SHIJIPEIBIGUOCHENGWENCHAΔt=10℃,LVPAIZHILENGLIANGWEI100w/m2。
SAN、LVPAIGUANDEPEIZHI
JISUANSHEBEIFUHEQUERENLVPAIHUANREMIANJILENGQUESHEBEIFUHEDEJISUAN:
KEYICANKAOXIANGGUANLENGKUSHEJISHOUCE,JINXINGXIANGXIJISUAN。
GONGSHIRUXIA Qq= Q1 + PQ2+ Q3+ Q4
Qq —— LENGJIANLENGQUESHEBEIFUHE,W;
Q1 —— WEIHUJIEGOUCHUANRELIANG,W;
Q2 —— HUOWURELIANG,W;
Q3 —— TONGFENGHUANQIRELIULIANG,W;
Q4 —— CAOZUORELIULIANG,W;
P——FUHEXISHU。
LENGQUEJIAN、DONGJIEJIANPQU1.3,QITALENGJIANQU1.0;
CONGSHANGSHUGONGSHIDAIRUYIZHIDEJINENGCANSHU,JIUKEDEDAOLENGKUDELENGQUESHEBEIFUHEZHI,JIZHENGFAQISUOXUDEZHILENGLIANG,DAXINGLENGKUYINGYANGEZUNXUNSHANGSHUJISUANGUOCHENG。