车载燃气轮机进气砂尘分离器设计与验证

对车载燃气轮机进气砂尘分离器的设计方法进行了研究，根据设计要求，提出了一套涡旋管粒子分离器的设计方案和设计流程，并据此设计了隔栅式涡旋管和空气滤清器总成.对涡旋管的三维气固两相流动进行数值模拟.以空气滤清器总成为试验对象，进行了气动试验和砂尘分离试验.数值模拟和试验结果表明:进气砂尘分离器的设计方法能够达到预期的设计效果，设计的分离器满足设计要求，所采用的数值模拟方法可以较准确地模拟涡旋管的三维气固两相流动，计算结果可信. 

Design and verification of engine air particle separator for vehicle gas turbine engine

The design method of engine air particle separator for vehicle gas turbine engine was presented. According to the design target, a design scheme and a design flow were proposed. The vortex tube with grille and the air cleaner assembly were designed. The internal three-dimensional gas-solid two phases flow was analyzed by numerical simulation. Taking the air cleaner assembly as the test object, the verification test was performed. Both the numerical simulation and the test results indicate that the design method is feasible for the engine air particle separator,this method can simulate three-dimensional gas-solid two phases flow of vortex tube accurately,calculation result is credible.