1、 毕业论文毕业论文 论文题目: 热机效率的计算 系 别: 物理与电子科学系 专 业: 物 理 学 热机效率的计算热机效率的计算 摘要:摘要: 阐述热力学第一、二定律,并由此分析热机产生的理论依据。介绍热机工作 原理,并对理想卡诺热机循环进行详细分析,计算且对照比较性的分析逆循环过 程。以实物热机为研究对象,对各种不同的热机加以热力学角度的分析。抽象出 对应热力学过程模型并针对各种热力学模型的循环过程进行详细分析计算以及 讨论比较。提出循环可能出现的任意过程而牵涉的吸热与做功的计算问题。 关键词:关键词: 热机;热机效率;内燃机;卡诺循环;气体动力循环 The calculation of th
2、e efficiency of the heat engine Abstract: At one thermodynamics, the introductions of laws, and heat engine have basic conception about the heat engine by efficiency,etc., The argumentation of the basic principle .Carries on the course and analyses to ideal Carnot promise circulation, are circulatin
3、g to analyse, And go against circulation analysis supplementarily. To duplicating each other the circulation courses of model go on and analyse, mainly at several a kind of internal-combustion engine the analysis the calculations of efficiencieses of courses at several, And supplement the introducti
4、on of the gas generator. Compare efficiency of heat engine of various kinds of circulation course , analyse that influences the factors of different efficiencies of the heat engine, Propose to improving the opinion of the efficiency of heat engine at the same time . Key words: Heat engine;the efficiency of the heat engine;an internal-combustion engine; The promise circulation of Carnot; the motive force circulation of gas 1热力学基本理论热力学基本理论 1 11 1 热力学第一、二定律热力学第一、二定律 表述为:当热能与