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The Performance Analysis of Microwave Thrust without Propellant Based on the Quantum Theory

ZHU Yu,YANG Juan,MA Nan(National Key Laboratory of Combustion,Flow and Thermo-structure,Northwestern Polytechnical University,Xi'an 710072,China)  
The microwave thruster without propellant is a new concept of propulsion,which has the advantage of large thrust,simple structure and high reliability.To provide help for the design study and based on the quantum theory,this paper quantized the electromagnetic field in the conical thruster cavity,educed the formula for thrust calculation.It used the finite element analysis software ANSYS to calculate the Q value of thruster cavities with different resonant modes.Then the thrust was calculated.The calculating results show that the Q value and thrust of the TE012 mode are the maximum which illustrates that it is the best choice for microwave thruster without propellant.
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