New correlations for infrared suppression devices having louvered diabatic tubes with surface radiation

A Mukherjee, V Chandrakar, JR Senapati - Thermal Science and …, 2023 - Elsevier
The present research looks at the flow and heat transfer behavior of an infrared suppression
(IRS) device with louvered tubes while incorporating surface radiation. As the cold ambient …

[HTML][HTML] Parametric design and IR signature study of exhaust plume from elliptical-shaped exhaust nozzles of a low flying UAV using CFD approach

F Haq, J Huang - Results in Engineering, 2022 - Elsevier
This paper describes the design, parametric study, and IR signature analysis of plume of a
slit-shaped exhaust nozzle. Circular-shaped exhaust nozzles are generally used to get the …

Aircraft engine's lock-on envelope due to internal and external sources of infrared signature

SP Mahulikar, S Vijay, SK Potnuru… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
The lock-on envelope of target aircraft is important in determining its susceptibility against a
heat-seeking missile and depends on the aircraft's infrared (IR) signature level (IRSL). In this …

Thermo-fluid characteristics and lock-on range efficiency of infrared suppression (IRS) devices with diathermic funnels in the presence of surface radiation: A …

A Mukherjee, V Chandrakar… - … Heat Transfer, Part A …, 2024 - Taylor & Francis
This investigation examines the influence of surface radiation on the thermo-fluid
characteristics of three distinct infrared suppression (IRS) mechanisms employing …

Modeling of aircraft infrared signature based on comparative tracking

DM Knežević, PS Matavulj, ZM Nikolić - Optik, 2021 - Elsevier
Infrared (IR) aircraft signature has been studied out of many reasons. Someone of them are
related to quality monitoring during the technological development, the other one to the …

Fluid Flow and Heat Transfer Characteristics of the Full-Scale Infrared Suppression Device With the Louvered Conical Funnels Considering Surface Radiation: A …

A Mukherjee, V Chadrakar… - ASME Journal of …, 2023 - asmedigitalcollection.asme.org
The current analysis examines the thermofluid properties of an infrared suppression (IRS)
system with louvered conical diathermic funnel walls in the presence of surface radiation. An …

Real-time passive MMW/THz imaging system for concealed weapon detection

A Ünal - Journal of Optics, 2024 - Springer
Passive millimeter wave (MMW) and terahertz (THz) waves have shown the potential for
detecting hidden objects concealed beneath clothing materials. This has led to extensive …

Multi-channel, passive, short-range anti-aircraft defence system

D Gapiński, I Krzysztofik, Z Koruba - Mechanical Systems and Signal …, 2018 - Elsevier
The paper presents a novel method for tracking several air targets simultaneously. The
developed concept concerns a multi-channel, passive, short-range anti-aircraft defence …

ANALYSIS OF IRSIGNAL CHARACTERISTICS OF A SHIP FOR NON-UNIFORM ATMOSPHERIC CONDITIONS

JH Choi, DH Kim, KI Han, NK Ha, HS Jang… - Journal of …, 2017 - koreascience.kr
The IR signal entering into a sensor is composed of the following components: the self-
emitted component directly from the object surface, the reflected components of the solar …

Analysis on Infrared Stealth Performance with Emissivity Controlled Aircraft Surface Structure at Various Background

M Bae, T Kim, T Kim, D Jung… - Journal of the …, 2016 - koreascience.kr
Survivability of an aircraft has been greatly threatened by the development of a weapon
system using infrared. Therefore, the infrared stealth technology is a very important …