燃料甲酯应用研究浅析

本阐述了分别使用燃料甲酯及柴油时由柴油机以加俐到的示功图，烟度及过量空气系统等的对比结果。经分析认为：当燃料甲酯取代柴油机时，用户可不必对柴油机另作调整，因而十分方便。     

液体火箭发动机研制情况的一些回顾

４０年来，我国液体火箭发动机的研制工作取得了很大成绩。文中对发动机的一些研制情况作了回顾，对ＹＦ－７３和ＹＦ－７５氢氧发动机的设计特点、飞行结果作了简单叙述。对今后工作也提出了看法。     

提高K-9曲拐质量的热处理工艺

K-9曲拐质量不合格主要是由于热处理后，珠光体数量太少所引起。因此应用正交试验，合理地选择了热处理工艺参数，提高了出炉温度，增加了珠光体数量，解决了K-9曲拐的质量问题。     

Thermal analysis of a ceramic coating diesel engine piston using 3-D finite element method

In this study, firstly, thermal analyses are investigated on a conventional (uncoated) diesel piston, made of aluminum silicon alloy and steel. Secondly, thermal analyses are performed on pistons, coated with MgO-ZrO₂ material by means of using a commercial code, namely ANSYS. Finally, the results of four different pistons are compared with each other. The effects of coatings on the thermal behaviors of the pistons are investigated. It has been shown that the maximum surface temperature of the coated piston with material which has low thermal conductivity is improved approximately 48% for the AlSi alloy and 35% for the steel.     

瞬态气体温度传感器研究

本文介绍了作者研制的瞬态气体温度传感器.针对传感器敏感元件的结构设计，应用等效物理模型，对影响温度测试精度和动态响应的结构参数以及使用方法进行了计算分析.研制出的温度传感器经激波管动态标定，证明其具有百微秒级的动态响应.本文最后介绍了在倒拖工况下，柴油机缸内瞬态气体温度的测试结果．     

超高增压柴油机与斯特林发动机复合运行的分析

本文对超高增压柴油机与斯特林发动机的复合运行进行了初步的探讨,陈述了这种复合运行作为未来发动机技术发展方向之一的可能性。     

厌氧胶快速渗补技术在汽车发动机上的应用

将金属铜易与过氧化物发生氧化还原反应生成游离基的原理应用于厌氧胶，开发了针时金属零件表面微孔进行局部渗补的实用技术。在相关技术可靠性和工艺可行性得以论证的前提下。将局部渗补技术成功地应用于渗补发动机泄漏缸盖，减少了废品损失，取得了良好的经济效益。     

热声热机系统振荡频率的理论计算与实验验证

以热声发动机为例采用网络模型计算了热声热机系统的振荡频率，得出振荡频率为复频率，其实部代表实际频率，虚部表示压力幅值的衰减程度。对热机系统在各种不同的情况下(包括不同大小的谐振腔、板叠间距、气体静压、系统长度)进行了数值计算，理论计算值与实验结果能很好的吻合。     

Applications of the 4×4 determinant method and the POLYGON ENGINE

In the first half of the paper, various types of processing pertaining to a polygon, using the 4×4 determinant theories are explained along with a new containment test algorithm of a point in a polygon. In the latter half of the paper, a general-purpose geometric processor, the POLYGON ENGINE, is presented which can deal with various types of interference problems, such as Boolean operations in solid modelling, hidden line and surface eliminations, ray tracing and so on. It is, a successor of the TRIANGLE PROCESSOR and is also based upon the 4×4 determinant theories [4–6]. While the TRIANGLE PROCESSOR processes a triangulated polygon on a triangle-by-triangle basis, the POLYGON ENGINE can treat a polygon without triangulation. The latter is expected to be more functional, more efficient and easier to use.     

Network model approach for calculating oscillating frequency of thermoacoustic prime mover

The network model is given and used to calculate the oscillating frequency of thermoacoustic prime mover. Theoretically calculated frequency by the model is plural, whose real part denotes actual frequency of the system, and imaginary part means attenuation coefficient of acoustic pressure. Numerical calculation is made under different conditions including different acoustic cavities, spacing between each parallel plate, gas pressures and system lengths. Theoretically calculated frequency and experimentally measured frequency are in quite good agreement.