83520185110 2 20123456 DNB DNB789 FqN1010 2 201ABCD22A B C D3A B U-235C D4A B C D5A B C D6ABCD7A B C D8ABCD9AB3CD10A BC D10 1.5 1512345 10067 DNBRDNBR MDNBR MDNBR89 01042 10 2011232123453 10 301233 15 451 du=8.8mmdcs=10mm 0.5mm ql(0)=4.2 104W/mtf,in=245oC tf,ex=267oC LRLRe=2.6mW1=1200kg/h h=2.7 104W/(m2oC)kc=20w/(m oC)0.23w/(m oC) ku=2.1w/(m oC) Cp=4.81kJ/(kg oC)2 3.6m8.3MPa 1.2m 15oCP=8.3MPa ts=297oC hfs=1331kJ/kgvfs=0.0013943m3/kg hgs=2755kJ/kg vgs=0.02264m3/kg3 20mm 50mm1MPa 0.04 0.8kg/sP=1MPa hfs=763.12kJ/kg vfs=1.1275 10-3m3/kghgs=2776.3kJ/kg vgs=0.1936m3/kg