Path: TopS1-Final ProjectAerospace Engineering-FTMD2008

NUMERICAL INVESTIGATION OF MODIFIED MINIMUM LENGTH NOZZLE WITH RECTANGULAR CROSS SECTION

Undergraduate Theses from JBPTITBPP / 2017-10-09 10:33:28
Oleh : M. HADI ASKARY (NIM :136 03 010); , S1 - Department of Aerospace Engineering
Dibuat : 2008, dengan 8 file

Keyword : Rectangular cross section nozzle; Minimum Length Nozzle (MLN)

Rectangular cross section nozzle is used nowadays because it has advantages in reducing jet heat signature and noise than axisymmetric/circular nozzle. Rectangular nozzle that is investigated, use Minimum Length Nozzle(MLN) in order to reduce dimension and weight of a nozzle. Modification on




MLN is done to reduce defficiency in standard MLN configuration.




Basic flow structure of modified MLN in rectangular cross section will be investigated here. In very over-expanded condition, there is a phenomena asymmetric separation. And through numerical simulation, it can be investigated that modified MLN has several advantages than standard MLN. And there is a trade off with less performance in rectangular nozzle compare to axisymmetric/circular nozzle.

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