焓,热力学中表征物质系统能量的一个重要状态参量,常用符号H表示。对一定质量的物质,焓定义为H=U+pV,式中U为物质的内能,p为压强,V为体积。单位质量物质的焓称为比焓,表示为h=u+pv。
原创:探讨双风机空调系统焓值的控制方式 - 经济法律论文发表 - xzbu.com 中国论文网 关键词:双风机;焓值;空调系统;控制方式 [gap=527]Keywords: double fan; Enthalpy; Air conditioning system; Control mode
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Sit commissioning and operation indicate enthalpy can reflect well changes of water-fuel ratio and it has favorable control performance in maintaining superheated steam temperature.
通过现场调试和实际运行表明,焓值能很好地反映燃水比的变化,用焓值校正给水流量对维持过热汽温非常效果比较好。
参考来源 - 基于中间点焓值校正的超临界机组给水全程控制·2,447,543篇论文数据,部分数据来源于NoteExpress
当电流一定时,电压的提高意味着电弧焓值的提高和切割能力的提高。
When the current, voltage must be improved means that the improvement of arc enthalpy and cutting capability is improved.
因此,HAT循环饱和器分析应按实际混合气体模型计算湿空气的焓值。
So the enthalpy must be calculated by the real mixture model when analyzing the humidifier of HAT cycle.
根据汽液两相流动阻力的计算式,推导出了流量敏感系数、出口焓值敏感系数的表达式。
Functions of flow sensitivity coefficient, enthalpy sensitivity coefficient are deducted as per pressure loss calculation formula of two-phase flow.
It's a state function. If we know the enthalpy of the products minus the enthalpy of the reactants, right. It's a state function.
如果我们知道生成物的焓减,去反应物的焓的值,它是个态函数,原则上我们可以做到。
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