燃气预混缸型环形高效发动机设计

Design of Annular High-efficiency Engine with Gas Premixed Cylinder

为提高发动机的热效率,设计了一款燃气预混缸型环形发动机,把吸气压缩和膨胀做功分离开来,使发动机拥有不同的压缩比和膨胀比,变传统四冲程发动机的往复运动为旋转运动。给出了燃气预混缸型环形发动机的设计简图,并对环形发动机的热效率进行了计算,结果表明,理论上该燃气预混缸型环形发动机的热效率可提升约20%。

For purpose of improving the thermal efficiency of engines,a gas premixed cylinder type annular engine was designed,in which,through separating the work of suction compression and expansion,the engine has different compression ratio and expansion ratio,and the reciprocating motion of the traditional four-stroke engine was converted into the rotary motion.In addition,the design diagram of the gas premixed cylinder type annular engine was given and the thermal efficiency of the annular engine was calculated.The calculation results showed that,the gas premixed cylinder type engine designed in this paper can increase the thermal efficiency by about 20%theoretically.