NASA Technical Reports Server (NTRS) 19810024662: Development of an analytical technique for the optimization of jet engine and duct acoustic linersReport as inadecuate



 NASA Technical Reports Server (NTRS) 19810024662: Development of an analytical technique for the optimization of jet engine and duct acoustic liners


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A special integral representation of the external solutions of the Helmholtz equation is described. The analytical technique developed for the generation of the optimum acoustic admittance for an arbitrary axisymmetric body is also presented along with some numerical procedures and some preliminary results for a straight duct.


Author: NASA Technical Reports Server (NTRS)

Source: https://archive.org/







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