F-16/generic store carriage load predictions at transonic Mach numbers using TranAir

Madson, Michael D.; Talbot, Matthew

doi:10.2514/6.1996-2454

Cited by 15 publications

(3 citation statements)

References 1 publication

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“…This was for the F-16/Generic Finned Store; the conference took place in New Orleans in the summer of 1996 (ACFD Challenge I). For this meeting lower order (4) solutions again exhibited good agreement with Euler and Navier Stokes codes.…”

Section: Introductionmentioning

confidence: 67%

One CFD calculation to end point flight testing: (Has CFD finally replaced the wind tunnel?)

Cenko¹

2006

Aeronaut. j.

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Any time a new aircraft is introduced into service, or an old aircraft undergoes substantial modifications or needs to be certified to carry and employ new stores, the store separation engineer is faced with a decision about how much effort will be required to provide an airworthiness certification for the aircraft and stores. Generally, there are three approaches that have been used: wind-tunnel testing, computational fluid dynamics (CFD) analyses and flight testing. During the past twenty years there have been considerable advances in all three areas. In particular, there has been a considerable improvement in the speed and validity of CFD results for store separation. The Holy Grail of CFD has long been the reduction/replacement of wind-tunnel testing. This would mean in store separation the ability to go from a CFD calculation to flight testing at the end point. The paper will describe how this was achieved for the F/A-18C/Litening pod program.

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Section: Introductionmentioning

confidence: 67%

One CFD calculation to end point flight testing: (Has CFD finally replaced the wind tunnel?)

Cenko¹

2006

Aeronaut. j.

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“…In the store certification process, analyses mainly focus on captive carry aerodynamic loads, thermal loads on electronic equipments and vibration levels on the store and aircraft. 1 Chief Research Engineer, Aerodynamics Division, osman.basoglu@sage.tubitak.gov.tr, 2 Ph.D., Chief Research Engineer, Aerodynamics Division, hediye.atik@sage.tubitak.gov.tr. 3 Ph.D., Chief Research Engineer, Mechatronic Division, erdinc.yildiz @sage.tubitak.gov.tr.…”

Section: Introductionmentioning

confidence: 99%

“…There have been several challenges for aerodynamic predictions of carriage loads and trajectories of different stores by using CFD analysis. Some of them may be listed as F-16/Generic Finned Store trajectory prediction challenge [2,3,4,5,6] , F-18/Joint Direct Attack Munition (JDAM) trajectory prediction challenge [7,8,9,10] and finally F-18C/MK-83 store transonic pressure prediction challenge for which comparisons were made with Pressure Sensitive Paint (PSP) data taken from flight tests [11] . All challenges showed that, numerical methods are mature enough to predict the store trajectories even with an Euler mesh.…”

Section: Introductionmentioning

confidence: 99%

Captive Carry Analyses and Test Results of General Purpose Munition Bomb

Basoglu

Atik

Yildiz

2011

29th AIAA Applied Aerodynamics Conference

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Prediction of aerodynamic, thermal and vibrational loadings on a store, which is carried out on an aircraft is an important criterion in the design area having the objective to define flight envelope, release envelope and life cycle of the store. External stores may change maneuverability and flight envelope of the installed flight platform drastically. On the other hand, flight envelope of the aircraft may result in an excessive heating on the electronic equipment of the store and vibration forces may end up with a structural failure. Hence, to predict aerodynamic, thermal and vibrational loadings on an external store during F4 aircraft captive carriage stage, numerical studies are carried out based on simulations and military standards. A CFD based analysis tool is used to predict the pressure variations on the store during different flight regimes of the aircraft. Fully viscous, second order structured finite volume solutions are obtained for subsonic and transonic flight regimes. Change in inner and outer temperature values of the store was determined for certain flight conditions by making the heat transfer analysis of the external store with the help of 2-D and 3-D numerical methods, including radiation, convection, conduction heat transfers and the aerodynamic heating effects. An F4 fighter aircraft is instrumented for collecting the required data to verify the analysis tools and calculated data. The results of numerical predictions are compared and verified with the test data. The comparison graphs between the estimated vibration profiles by MIL-STD 810F and measured profiles are presented. Nomenclature M = pressure probe S = thermal probe PSD = power spectral density T ∞ = free stream static temperature P ∞ = free stream static pressure H = altitude above sea level (m)  = angle of attack ( o )  = angle of sideslip ( o ) M# = Mach number T ∞ = free stream temperature P ∞ = free stream pressure

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Multi domain decomposed reduced order model for store trajectory prediction

Pandey,

Sinha

2024

Sādhanā

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F-16/generic store carriage load predictions at transonic Mach numbers using TranAir

Cited by 15 publications

References 1 publication

One CFD calculation to end point flight testing: (Has CFD finally replaced the wind tunnel?)

One CFD calculation to end point flight testing: (Has CFD finally replaced the wind tunnel?)

Captive Carry Analyses and Test Results of General Purpose Munition Bomb

Multi domain decomposed reduced order model for store trajectory prediction

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