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    Acoustic leak detection for underwater oil and gas pipelines

    Barbagelata, A. / Barbagelata, L. | Tema Archiv | 2002
    this nature may take a long time, and time is expensive- especially if one has barges, vessels and personnel offshore. Traditional techniques ...

    Acoustic observations of suspended particulate matter in the ocean

    Proni, J.R. / Rona, D.C. / Lauter, C.A. jun. et al. | Tema Archiv | 1975

    Acoustic phasing, directionality and amplification effects of helicopter blade-vortex interactions

    Schmitz, F.H. / Sim, B. W.C. | Tema Archiv | 2001
    illustrate the highly directional nature of acoustic waves radiating from these BVI interactions. Results show that the supersonic decelerating ...

    ACOUSTIC RADIATION ENERGY AT A VARIATION OF THE COMPOSITE MECHANICAL DESTRUCTION AREA

    Freier Zugriff
    Sergii Filonenko | DOAJ | 2016
    energy has continuous nature. The ascending of composite material machining depth results to increase of acoustic emission statistical energy ...

    Acoustic resonance in plate heat exchangers

    Rodarte, E. / Miller, N. / Hrnjak, P. | Tema Archiv | 1998
    similar in nature to the acoustic resonance problems for tube array in duct type heat exchangers. This is to the author's knowledge the first time ...

    Acoustic Shock Formation in Noise Propagation During Military Aircraft Ground Run-Up Operations

    Reichman, Brent O. / Gee, Kent L. / Neilsen, Tracianne B. et al. | AIAA | 2022
    past 35 m, continued shock formation and atmospheric absorption can make the steepened nature of the waveform more prominent out to 305 m. ...

    ACP-Based Energy-Efficient Schemes for Sustainable Intelligent Transportation Systems

    Chen, Jicheng / Zhang, Yongkang / Teng, Siyu et al. | IEEE | 2023
    traffic environment. An important reason is that the transportation system's large scale, complexity and social nature restrict its energy ...

    Acquisition, tracking and pointing control of the Bifocal Relay Mirror spacecraft

    Romano, Marcello / Agrawal, Brij N. | Elsevier | 2003
    very tight pointing and jitter requirements, together with the multi-body nature of the spacecraft, make the control of the system very ...

    A crash severity analysis at highway-rail grade crossings: The random survival forest method

    Keramati, Amin / Lu, Pan / Iranitalab, Amirfarrokh et al. | Elsevier | 2020

    A critical review of airport privatisation in the Kingdom of Saudi Arabia: Case study of Medina Airport

    Chaouk, Mohammed / Pagliari, Romano / Miyoshi, Chikage | Elsevier | 2019
    addition to the very specific nature of the socio-political environment which are all factors that need to be considered in future privatisation ...

    ACTION AS A CRITERION OF THE CAR OPERATING EFFECTIVENES

    Freier Zugriff
    Stefan POSTRZEDNIK | DOAJ | 2016
    processes in nature take place according to the principle of "minimum of action"  this criterion can be applied in the analysis of the car’s ...

    Activation Energy of Alkali–Silica Reaction and Dilatometer Method

    Mukhopadhyay, Anal K. / Shon, Chang-Seon / Zollinger, Dan G. | Transportation Research Record | 2006
    concrete over time is the reactivity of the aggregate, but current test methodology is largely simulative in nature and yields mainly empirical ...

    Active CO2 two-phase loops for the AMS-02 tracker

    Alberti, G. / Alvino, A. / Ambrosi, G. et al. | IEEE | 2014
    Figure 1) since May 19, 2011. Its missions include the search for antimatter and the identification of the nature of dark matter. The AMS silicon ...

    Active control of a high Reynolds number Mach 0.9 axisymmetric jet

    Kim, J.H. / Kastner, J. / Samimy, M. | Tema Archiv | 2009
    development and spreading. The nature of jet spreading and development are explained by the dynamics of large-scale structures, including the mutually ...

    Active control of drag noise from a small axial flow fan

    Freier Zugriff
    Wang, J / Huang, L | BASE | 2006
    globally by active control schemes. Drag noise features a rotating dipole and it has to be cancelled by a secondary source of the same nature. This ...

    Active control of large space structures

    Nebot, E.M. / Lee, G.K.F. / Brubaker, T.A. | Tema Archiv | 1989
    increase in the flexible nature of these structures. The kind of application in which these structures are needed usually requires high precision ...

    Active disturbance rejection station-keeping control of unstable orbits around collinear Libration points

    Freier Zugriff
    Zhu, Min / Karimi, Hamid Reza / Zhang, Hui et al. | BASE | 2014
    , solar radiation pressure, and perturbations of the eccentric nature of the Earth's orbit. It is also shown that the closed-loop control system ...

      Active disturbance rejection station-keeping control of unstable orbits around collinear Libration points

      Freier Zugriff
      Zhu, Min / Zhang, Hui / Gao, Qing et al. | BASE | 2014
      , solar radiation pressure, and perturbations of the eccentric nature of the Earth's orbit. It is also shown that the closed-loop control system ...

    Active Flow Control of Supersonic Jet Using Streamwise Pulsed Blowing

    Maikap, Spandan / Arun Kumar, Rajagopal / Kothadia, Hardik. B. | AIAA | 2022
    bottom step regions of the suddenly expanding duct. The current study employs the bistable nature of jet expansion seen in a suddenly expanding ...

    Active flow separation control on wall-mounted hump at high Reynolds numbers

    Seifert, A. / Pack, L.G. | Tema Archiv | 2002
    effectiveness and is abrupt in nature and is, therefore, not suitable for closed-loop control, The data set enhances the understanding of active ...