In this paper,combined with the actual situation encountered in the process of product transportation,the finite element analysis software ANSYS/LS-DYNA was used to simulate the dynamic drop process of the buffer pack...In this paper,combined with the actual situation encountered in the process of product transportation,the finite element analysis software ANSYS/LS-DYNA was used to simulate the dynamic drop process of the buffer packaging structure of T01067∗series fuel pump,and the simulation results were analyzed,and a conclusion was drawn.According to the fuel pump weight calculation buffer material thickness,according to the product size and structure design of the pulp molded cushion structure,simulation of static cushioning performance,and dynamic drop simulation,for the subsequent structural optimization cost reduction to provide early warning[1,2].Check the simulation production cost,reducemany times a large number of experiments and time,structure is ideal type prediction,find out the ideal optimization total,physical test,further optimization and improvement[3].展开更多
Aviation fuel pumps of the future are required to be highly efficient and lightweight.As such,this work presents the designs of various mechanisms and structures of advanced twodimensional piston pumps for aero-engine...Aviation fuel pumps of the future are required to be highly efficient and lightweight.As such,this work presents the designs of various mechanisms and structures of advanced twodimensional piston pumps for aero-engines,and their universal kinematic design methods are detailed herein.The efficiency of various piston pump prototypes was experimentally tested at various speeds in an open circuit.The experimental results indicate that two-dimensional piston pumps have a volumetric efficiency>91%and a higher power–mass ratio than conventional fuel pumps under all the conditions studied.Furthermore,the structural and material problems encountered during testing can provide a blueprint for further improvement of the design and processing of two-dimensional piston fuel pumps.展开更多
文摘In this paper,combined with the actual situation encountered in the process of product transportation,the finite element analysis software ANSYS/LS-DYNA was used to simulate the dynamic drop process of the buffer packaging structure of T01067∗series fuel pump,and the simulation results were analyzed,and a conclusion was drawn.According to the fuel pump weight calculation buffer material thickness,according to the product size and structure design of the pulp molded cushion structure,simulation of static cushioning performance,and dynamic drop simulation,for the subsequent structural optimization cost reduction to provide early warning[1,2].Check the simulation production cost,reducemany times a large number of experiments and time,structure is ideal type prediction,find out the ideal optimization total,physical test,further optimization and improvement[3].
基金co-supported by the National Natural Science Foundation of China(No.51775500 and 51675482)the Open Found of the State Key Laboratory of Fluid Power and Mechatronic Systems of China(No.GZKF-201822)。
文摘Aviation fuel pumps of the future are required to be highly efficient and lightweight.As such,this work presents the designs of various mechanisms and structures of advanced twodimensional piston pumps for aero-engines,and their universal kinematic design methods are detailed herein.The efficiency of various piston pump prototypes was experimentally tested at various speeds in an open circuit.The experimental results indicate that two-dimensional piston pumps have a volumetric efficiency>91%and a higher power–mass ratio than conventional fuel pumps under all the conditions studied.Furthermore,the structural and material problems encountered during testing can provide a blueprint for further improvement of the design and processing of two-dimensional piston fuel pumps.