该文利用热经济学的先进后出LIFO(Last In First Out)模式和结构理论的数学方法,对200MW机组的热力系统进行了分析,实际计算了热力过程的成本形成和分布情况。依据流入流出工质流的流后入先出的规则,绘制了工质流的参数区间图,并以此为...该文利用热经济学的先进后出LIFO(Last In First Out)模式和结构理论的数学方法,对200MW机组的热力系统进行了分析,实际计算了热力过程的成本形成和分布情况。依据流入流出工质流的流后入先出的规则,绘制了工质流的参数区间图,并以此为工具,建立了机组的生产结构图,从而对复杂热力系统部件之间的生产关系(或称为内部的商品交易关系)进行了描述。这种描述的数学模型是结构理论建立的代数方程组,求解结果可以得到各个部件的燃料/产品流的成本。生产过程中的和系统终端产品的成本分析是热力系统运行状况评价的依据,同时也是终端产品定价的重要参考。展开更多
An analysis of the sectorial structure of energy consumption shows that residential and tertiary sector buildings are the third-highest consumers,responsible for 29.5%of a city’s final energy consumption.The Building...An analysis of the sectorial structure of energy consumption shows that residential and tertiary sector buildings are the third-highest consumers,responsible for 29.5%of a city’s final energy consumption.The Building Quality Control Laboratory of the Basque Government aims to promote quality,innovation,and sustainability in buildings.To accomplish this goal,it has constructed an experimental facility with different energy generation technologies and a very versatile control system for testing different energy systems and operation modes.In this study,we tested a facility for supplying domestic hot water and heating for a multi-family house by means of a condensing boiler and an aerothermal heat pump(together with the corresponding control).This installation could reproduce the thermal demands required to be satisfied by the generation equipment through a programmed operation of the installation based on real demands.Additionally,this installation was analyzed using thermoeconomics(TE)to solve problems unable to be solved using traditional energy analyses based on the First Law of Thermodynamics.These problems include:(1)Determining the costs of the products of the installation based on physical criteria,(2)detecting the places where losses actually occur,evaluating their costs,and proposing cost-effective improvements,and(3)diagnosing issues in the installation.As a result,this paper suggests a solution to the preventive maintenance problems confronting the technical maintenance personnel for thermal installations in buildings by applying TE knowledge and using real data collected from sensors.展开更多
文摘该文利用热经济学的先进后出LIFO(Last In First Out)模式和结构理论的数学方法,对200MW机组的热力系统进行了分析,实际计算了热力过程的成本形成和分布情况。依据流入流出工质流的流后入先出的规则,绘制了工质流的参数区间图,并以此为工具,建立了机组的生产结构图,从而对复杂热力系统部件之间的生产关系(或称为内部的商品交易关系)进行了描述。这种描述的数学模型是结构理论建立的代数方程组,求解结果可以得到各个部件的燃料/产品流的成本。生产过程中的和系统终端产品的成本分析是热力系统运行状况评价的依据,同时也是终端产品定价的重要参考。
文摘An analysis of the sectorial structure of energy consumption shows that residential and tertiary sector buildings are the third-highest consumers,responsible for 29.5%of a city’s final energy consumption.The Building Quality Control Laboratory of the Basque Government aims to promote quality,innovation,and sustainability in buildings.To accomplish this goal,it has constructed an experimental facility with different energy generation technologies and a very versatile control system for testing different energy systems and operation modes.In this study,we tested a facility for supplying domestic hot water and heating for a multi-family house by means of a condensing boiler and an aerothermal heat pump(together with the corresponding control).This installation could reproduce the thermal demands required to be satisfied by the generation equipment through a programmed operation of the installation based on real demands.Additionally,this installation was analyzed using thermoeconomics(TE)to solve problems unable to be solved using traditional energy analyses based on the First Law of Thermodynamics.These problems include:(1)Determining the costs of the products of the installation based on physical criteria,(2)detecting the places where losses actually occur,evaluating their costs,and proposing cost-effective improvements,and(3)diagnosing issues in the installation.As a result,this paper suggests a solution to the preventive maintenance problems confronting the technical maintenance personnel for thermal installations in buildings by applying TE knowledge and using real data collected from sensors.
