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The Influence of Ambient on the Performance of Internal Combustion Engine Cogeneration System
Author(s): 
Pages: 733-736
Year: Issue:  5
Journal: Journal of Engineering Thermophysics

Keyword:  变工况 内燃机 热电联供 大气环境 余热锅炉;
Abstract: 根据国家标准GB1105 1-87《内燃机台架性能试验方法标准环境状况及功率、燃油消耗率和机油消耗率的规定》中的等过量空气法,结合内燃机典型变工况解析式及单压过热蒸汽余热锅炉变工况解析解,研究大气条件变化时,系统变工况性能。结果表明,大气压力p0减小,内燃机相对输出功率(?)减小,相对燃油消耗率(?)增加,系统总能利用率Z减小,当量(?)效率ηex、相对节能率FESR、经济(?)效率θ先增加后减小,存在最大值,在80 kPa左右取得最大值。大气温度tO升高,(?)减小,(?)增加,Z、ηex、FESR、θ增加。
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