Infrared emission from jet engine exhaust plumes

Nelson, H. F.

doi:10.2514/6.1986-465

Cited by 2 publications

(2 citation statements)

References 7 publications

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“…A peak at 5.8 mm is also predicted that corresponds to nozzle surface radiation at its temperature [61]. The Standardized Infrared Radiation Model (SIRRM) code developed under JANNAF (Joint Army Navy NASA Air Force) project, predicts IR radiation from missile and aircraft plumes [72]. The code also predicts the effect of carbon particles on IR emission characteristics of plume.…”

Section: Analysis Of Plume Ir Signaturementioning

confidence: 99%

Infrared signature studies of aerospace vehicles

Mahulikar

Sonawane

Rao

2007

Progress in Aerospace Sciences

284

111

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Infrared (IR) emissions from aircraft are used to detect, track, and lock-on to the target. MAN Portable Air Defence Systems (MANPADS) have emerged as a major cause of aircraft and helicopter loss. Therefore, IR signature studies are important to counter this threat for survivability enhancement, and are an important aspect of stealth technology. This paper reviews contemporary developments in this discipline, with particular emphasis on IR signature prediction from aerospace vehicles. The role of atmosphere in IR signature analysis, and relation between IR signature level and target susceptibility are illustrated. Also, IR signature suppression systems and countermeasure techniques are discussed, to highlight their effectiveness and implications in terms of penalties.

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Section: Analysis Of Plume Ir Signaturementioning

confidence: 99%

Infrared signature studies of aerospace vehicles

Mahulikar

Sonawane

Rao

2007

Progress in Aerospace Sciences

284

111

View full text Add to dashboard Cite

show abstract

“…In the early days, IR stealth research studies were mainly focused on the propulsion system radiation of 3-5 mm, [6][7][8][9][10][11] and this still remains as one of the areas of concern. Recently, however, the aircraft-skin radiation in the range of 8-14 mm has gradually become a challenge in aircraft IR research.…”

Section: Introductionmentioning

confidence: 99%

Evaluating the Effectiveness of Infrared Signature Suppression of Aircraft Skin

Wang

Kwon

2012

Trans. Japan Soc. Aero. S Sci.

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During typical supersonic cruising, the temperature of the aircraft skin rises above 300 K due to aerodynamic heating. In this situation, aircraft-skin infrared (IR) suppression, used to minimize the radiation contrast from the background is a crucial survival technology. In the present study, a technique to evaluate the effectiveness of IR suppression of aircraft skin is proposed. For this purpose, a synthetic procedure based on numerical simulations has been developed. In this procedure, the thermal status of aircraft skin is obtained using a computational fluid dynamics (CFD) method for complex aircraft geometries. An IR signature model is proposed using a reverse Monte Carlo (RMC) technique. The detection range and the IR contrast are adopted as the performance indicators for the evaluation of the aircraft IR suppression. The influence of these factors related to the aircraft-skin radiation, such as aircraft-skin emissivity, surface temperature distribution and flight speed, on the IR contrast and the detection range is also studied. As a test case, the effectiveness of various IR suppression schemes was analyzed for a typical air combat situation. Then, the method is applied to clarify the contribution of each aircraft component to the IR suppression of the overall IR radiation. The results show that aircraftskin temperature control and emissivity control are effective means to reduce the IR radiation and to achieve lower detection. The results can be used as a practical guide for designing future stealth aircraft.

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Infrared emission from jet engine exhaust plumes

Cited by 2 publications

References 7 publications

Infrared signature studies of aerospace vehicles

Infrared signature studies of aerospace vehicles

Evaluating the Effectiveness of Infrared Signature Suppression of Aircraft Skin

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