【摘要】 燃气作为一种清洁能源,在城市中的应用越来越广泛,燃器具作为燃气的终端消耗设备,热效率是衡量燃气被有效利用的指标,但是,目前燃器具热效率指标的测试是在满负荷、设计压力下的指标,而实际应用中与此存在很大差异,因此,为了客观评价燃器具的节能效果,应采用与实际运行工况相符的热效率指标。更多还原

【Abstract】 Gas is used widely in city as clear fuel. Gas appliance is the terminal device to consume gas. In usually case,efficiency is the index to express useful portion of gas. It is measured in rate condition. But there is large difference between actual condition and rate condition. So this article express some indexes for gas appliance to accord with actual condition.更多还原