某发电厂锅炉出口蒸汽参数为pgr=10.234MPa,tgr=540℃,汽轮机进汽压力p0=9.12MPa,t0=535℃,大气压力pa= 0.101325MPa,环境温度th=0℃,求主蒸汽管道的散热损失和节流损失。(已由锅炉出口蒸汽参数查水蒸汽表得锅炉出口的蒸汽焓igr=3478.96kJ/kg,熵Sgr=6.7367kJ/g·℃,由汽轮机进汽参数查水蒸汽表得汽轮机进口蒸汽焓i0 =3477.7kJ/kg,熵S0=6.7853kJ/kg·℃)
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答案解析:有
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