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Deployable radiator is a radiation cooling device which is folded next to side wall of spacecraft while launching, and can expand itself after the spacecraft is on track. It can effectively improve the cooling capacity of the spacecraft. In this paper, the current research and development situations of the deployable radiator were studied and analyzed. Depending on this, design and simulation of the...
This paper aims to improve the inlet flow performance of the centrifugal pump with multi-diversion compound impeller structural, the ejector was used to decrease the secondary vortex flow characteristics and improve boosting capability of the centrifugal pump. This paper presents the numerical simulation study on multi-diversion compound impeller structural centrifugal pump by using CFD method under...
In aircraft type certification, simulation system is used for airworthiness demonstration in lieu of real flight test in certain scenarios, and credit needs to be taken for the simulation system to validate it is capable of representing the characteristics of the airplane under certification. The general requirement and approaches for simulation credit taken is discussed. Typical simulation tasks...
In order to reduce the initial disturbance and improve the stability of air defense missile, the missile launching equations of motion are derived and simplified using the method of modal substitution. Based on these equations, the coupled rigid-flexible dynamic modeling is built in the ADAMS software to analyze the dynamic behavior and stability of missile launching process. The results indicate...
In order to evaluate combat effectiveness of missile weapon system, especially to provide guidance for structural plan design and fuse-warhead coordination design, this paper hereby studies issues about terminal efficiency of three-dimensional fragment type air-to-air missile. Terminal efficiency computation framework of projectile is established, and detailed modeling is conducted to single-shot...
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