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  1. No Access

    Article

    Flexible Rod Design for Educational Wind Balance

    This article provides a technical description of a flexible hinge for wind tunnel rigs. For academic purposes, the device was integrated into several rod flexures to build a home-made external wind balance sys...

    G. Raush, R. Castilla, P. J. Gamez-Montero, J. Wojciechowski… in Experimental Techniques (2016)

  2. Article

    Open Access

    Thoracic endovascular aortic repair with left subclavian artery coverage without prophylactic revascularisation—early and midterm results

    The management of the left subclavian artery when coverage is necessary during thoracic aorta endografting remains a matter of debate.

    J. Wojciechowski, L. Znaniecki, K. Bury, J. Rogowski in Langenbeck's Archives of Surgery (2014)

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  3. No Access

    Chapter and Conference Paper

    Exploring the Mechanism of Biomolecule Immobilization on Plasma-Treated Polymer Substrates

    An electron beam-generated plasma source developed at NRL was used to modify polystyrene microtitre plates. A combination of complementary surface analytical and biochemical techniques was applied to evaluate ...

    E. H. Lock, S. H. North, J. Wojciechowski… in Technological Innovations in Sensing and D… (2012)

  4. No Access

    Article

    Symbolic large-signal simulation of switched circuits

    To improve the simulation efficiency of switched circuits, it is advantageous to model their switching devices as short and open circuits. The disadvantage is that such models may cause inconsistent initial co...

    J. Wojciechowski, B. Sawionek, Z. Michalski… in Circuits, Systems and Signal Processing (1998)

  5. No Access

    Chapter and Conference Paper

    Investigation of the Spatial Structure of Turbulence in the Wake Behind Bluff Bodies

    In the analysis of developed turbulence it is customary to make use of the universal scaling of the ensemble averaged moments of the structure function defined as 1

    E. Gaudin, S. Goujon-Durand, B. Protas, J. Wojciechowski… in Advances in Turbulence VI (1996)

  6. No Access

    Article

    Characteristics of the behavior of the small-scale turbulence structure in the boundary layer

    Results of theoretical and experimental studies of the structure of turbulence in the boundary layer are presented. It is shown that the spectral density of turbulence energy deviates systematically from Kolmo...

    O. V. Dobrocheev, J. Wojciechowski in Journal of Engineering Physics and Thermophysics (1995)

  7. No Access

    Article

    A new lower bound for Snake-in-the-Box Codes

    In this paper we give a new lower bound on the length of Snake-in-the-Box Codes, i.e., induced cycles in thed-dmensional cube. The bound is a linear function of the number of vertices of the cube and improves the...

    J. Wojciechowski in Combinatorica (1989)

  8. No Access

    Chapter and Conference Paper

    The generation of a turbulent boundary layer in unsteady flow

    The paper contains a description of the turbulent boundary layer generation in an accelerated flow past a rough surface. The flow phenomena are discussed and the results of the measurements are presented on th...

    J. Ostrowski, J. Wojciechowski in Structure and Mechanisms of Turbulence I (1978)