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Subhasish Dey - One of the best experts on this subject based on the ideXlab platform.

  • impact of phenomenological theory of turbulence on Pragmatic Approach to fluvial hydraulics
    Physics of Fluids, 2018
    Co-Authors: Sk Zeeshan Ali, Subhasish Dey
    Abstract:

    The phenomenological theory of turbulence (PTT) remains a long-standing and fascinating theory in turbulence research. In this review article, we highlight the state-of-the-science of the impact of the PTT on the Pragmatic Approach to fluvial hydraulics, explored over recent decades, discussing the salient and the subtle roles that the turbulence plays in governing many physical processes. To acquire a theoretical explanation of this Pragmatic Approach necessitates an intuitive thought that can bring together the background mechanisms of all the physical processes under one law—a thought that is capable of finding their inextricable links with the turbulent energy spectrum. We begin here with emphasizing the spectral and the co-spectral origin of the well-recognized laws of the wall, the resistance equation, and the turbulence intensities by portraying the typical momentum transfer mechanism of eddies in a turbulent flow. Next, we focus on the scaling laws of key fluvial processes derived from the perspective of the PTT, enlightening their physical insight and ability to judge how far the so-called empirical formulas can be used with confidence. The PTT has been able to disclose the origin of several primeval empirical formulas that have been used over many years without having any theoretical clarification and confirmation. Finally, we make an effort to describe some unsolved issues to be resolved as a future scope of research.The phenomenological theory of turbulence (PTT) remains a long-standing and fascinating theory in turbulence research. In this review article, we highlight the state-of-the-science of the impact of the PTT on the Pragmatic Approach to fluvial hydraulics, explored over recent decades, discussing the salient and the subtle roles that the turbulence plays in governing many physical processes. To acquire a theoretical explanation of this Pragmatic Approach necessitates an intuitive thought that can bring together the background mechanisms of all the physical processes under one law—a thought that is capable of finding their inextricable links with the turbulent energy spectrum. We begin here with emphasizing the spectral and the co-spectral origin of the well-recognized laws of the wall, the resistance equation, and the turbulence intensities by portraying the typical momentum transfer mechanism of eddies in a turbulent flow. Next, we focus on the scaling laws of key fluvial processes derived from the perspec...

  • impact of phenomenological theory of turbulence on Pragmatic Approach to fluvial hydraulics
    Physics of Fluids, 2018
    Co-Authors: Sk Zeeshan Ali, Subhasish Dey
    Abstract:

    The phenomenological theory of turbulence (PTT) remains a long-standing and fascinating theory in turbulence research. In this review article, we highlight the state-of-the-science of the impact of the PTT on the Pragmatic Approach to fluvial hydraulics, explored over recent decades, discussing the salient and the subtle roles that the turbulence plays in governing many physical processes. To acquire a theoretical explanation of this Pragmatic Approach necessitates an intuitive thought that can bring together the background mechanisms of all the physical processes under one law—a thought that is capable of finding their inextricable links with the turbulent energy spectrum. We begin here with emphasizing the spectral and the co-spectral origin of the well-recognized laws of the wall, the resistance equation, and the turbulence intensities by portraying the typical momentum transfer mechanism of eddies in a turbulent flow. Next, we focus on the scaling laws of key fluvial processes derived from the perspective of the PTT, enlightening their physical insight and ability to judge how far the so-called empirical formulas can be used with confidence. The PTT has been able to disclose the origin of several primeval empirical formulas that have been used over many years without having any theoretical clarification and confirmation. Finally, we make an effort to describe some unsolved issues to be resolved as a future scope of research.

A. Gouin - One of the best experts on this subject based on the ideXlab platform.

  • Pragmatic Approach for modular control synthesis and implementation
    International Journal of Production Research, 2004
    Co-Authors: David Gouyon, J. F. Petin, A. Gouin
    Abstract:

    Within the framework of Supervisory Control Theory, synthesis algorithms enable automatic generation of control rules from behavioural models of the process to be controlled and of goals to be achieved. The paper highlights a Pragmatic use of these algorithms within an automation engineering context and focuses on two key issues: process and goals modelling, and supervisory controller implementation. In this way, the Approach presented combines the synthesis techniques and algorithms with an object-oriented automation method that supplies guidelines for the analysis, design and implementation of a modular control system. This Pragmatic Approach is applied to the synthesis and implementation of the control of an assembly station. The paper highlights the difficulties of the modelling step and its great influence on the synthesis result itself, and also demonstrates the feasibility of the synthesis Approach through a successful implementation in conformance with the International Electrotechnical Commission...

  • A Pragmatic Approach for modular control synthesis and implementation
    International Journal of Production Research, 2004
    Co-Authors: David Gouyon, J. F. Petin, A. Gouin
    Abstract:

    Within the framework of Supervisory Control Theory, synthesis algorithms enable automatic generation of control rules from behavioural models of the process to be controlled and of goals to be achieved. This paper talks about a Pragmatic use of these algorithms within an automation engineering context and focuses on two key issues: process and goals modelling and supervisory controller implementation. In this way, the Approach presented in this paper combines the synthesis techniques and algorithms with an object-oriented automation method that supplies guidelines for the analysis, the design and the implementation of a modular control system. This Pragmatic Approach is applied to the synthesis and implementation of the control of an assembly station. It highlights the difficulties of the modelling step and its great influence on the synthesis result itself but also demonstrates the feasibility of our synthesis Approach through a successful implementation in conformance with the IEC 61131-3 standard.

Sk Zeeshan Ali - One of the best experts on this subject based on the ideXlab platform.

  • impact of phenomenological theory of turbulence on Pragmatic Approach to fluvial hydraulics
    Physics of Fluids, 2018
    Co-Authors: Sk Zeeshan Ali, Subhasish Dey
    Abstract:

    The phenomenological theory of turbulence (PTT) remains a long-standing and fascinating theory in turbulence research. In this review article, we highlight the state-of-the-science of the impact of the PTT on the Pragmatic Approach to fluvial hydraulics, explored over recent decades, discussing the salient and the subtle roles that the turbulence plays in governing many physical processes. To acquire a theoretical explanation of this Pragmatic Approach necessitates an intuitive thought that can bring together the background mechanisms of all the physical processes under one law—a thought that is capable of finding their inextricable links with the turbulent energy spectrum. We begin here with emphasizing the spectral and the co-spectral origin of the well-recognized laws of the wall, the resistance equation, and the turbulence intensities by portraying the typical momentum transfer mechanism of eddies in a turbulent flow. Next, we focus on the scaling laws of key fluvial processes derived from the perspective of the PTT, enlightening their physical insight and ability to judge how far the so-called empirical formulas can be used with confidence. The PTT has been able to disclose the origin of several primeval empirical formulas that have been used over many years without having any theoretical clarification and confirmation. Finally, we make an effort to describe some unsolved issues to be resolved as a future scope of research.The phenomenological theory of turbulence (PTT) remains a long-standing and fascinating theory in turbulence research. In this review article, we highlight the state-of-the-science of the impact of the PTT on the Pragmatic Approach to fluvial hydraulics, explored over recent decades, discussing the salient and the subtle roles that the turbulence plays in governing many physical processes. To acquire a theoretical explanation of this Pragmatic Approach necessitates an intuitive thought that can bring together the background mechanisms of all the physical processes under one law—a thought that is capable of finding their inextricable links with the turbulent energy spectrum. We begin here with emphasizing the spectral and the co-spectral origin of the well-recognized laws of the wall, the resistance equation, and the turbulence intensities by portraying the typical momentum transfer mechanism of eddies in a turbulent flow. Next, we focus on the scaling laws of key fluvial processes derived from the perspec...

  • impact of phenomenological theory of turbulence on Pragmatic Approach to fluvial hydraulics
    Physics of Fluids, 2018
    Co-Authors: Sk Zeeshan Ali, Subhasish Dey
    Abstract:

    The phenomenological theory of turbulence (PTT) remains a long-standing and fascinating theory in turbulence research. In this review article, we highlight the state-of-the-science of the impact of the PTT on the Pragmatic Approach to fluvial hydraulics, explored over recent decades, discussing the salient and the subtle roles that the turbulence plays in governing many physical processes. To acquire a theoretical explanation of this Pragmatic Approach necessitates an intuitive thought that can bring together the background mechanisms of all the physical processes under one law—a thought that is capable of finding their inextricable links with the turbulent energy spectrum. We begin here with emphasizing the spectral and the co-spectral origin of the well-recognized laws of the wall, the resistance equation, and the turbulence intensities by portraying the typical momentum transfer mechanism of eddies in a turbulent flow. Next, we focus on the scaling laws of key fluvial processes derived from the perspective of the PTT, enlightening their physical insight and ability to judge how far the so-called empirical formulas can be used with confidence. The PTT has been able to disclose the origin of several primeval empirical formulas that have been used over many years without having any theoretical clarification and confirmation. Finally, we make an effort to describe some unsolved issues to be resolved as a future scope of research.

David Gouyon - One of the best experts on this subject based on the ideXlab platform.

  • Pragmatic Approach for modular control synthesis and implementation
    International Journal of Production Research, 2004
    Co-Authors: David Gouyon, J. F. Petin, A. Gouin
    Abstract:

    Within the framework of Supervisory Control Theory, synthesis algorithms enable automatic generation of control rules from behavioural models of the process to be controlled and of goals to be achieved. The paper highlights a Pragmatic use of these algorithms within an automation engineering context and focuses on two key issues: process and goals modelling, and supervisory controller implementation. In this way, the Approach presented combines the synthesis techniques and algorithms with an object-oriented automation method that supplies guidelines for the analysis, design and implementation of a modular control system. This Pragmatic Approach is applied to the synthesis and implementation of the control of an assembly station. The paper highlights the difficulties of the modelling step and its great influence on the synthesis result itself, and also demonstrates the feasibility of the synthesis Approach through a successful implementation in conformance with the International Electrotechnical Commission...

  • A Pragmatic Approach for modular control synthesis and implementation
    International Journal of Production Research, 2004
    Co-Authors: David Gouyon, J. F. Petin, A. Gouin
    Abstract:

    Within the framework of Supervisory Control Theory, synthesis algorithms enable automatic generation of control rules from behavioural models of the process to be controlled and of goals to be achieved. This paper talks about a Pragmatic use of these algorithms within an automation engineering context and focuses on two key issues: process and goals modelling and supervisory controller implementation. In this way, the Approach presented in this paper combines the synthesis techniques and algorithms with an object-oriented automation method that supplies guidelines for the analysis, the design and the implementation of a modular control system. This Pragmatic Approach is applied to the synthesis and implementation of the control of an assembly station. It highlights the difficulties of the modelling step and its great influence on the synthesis result itself but also demonstrates the feasibility of our synthesis Approach through a successful implementation in conformance with the IEC 61131-3 standard.

Paul Egré - One of the best experts on this subject based on the ideXlab platform.

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