Academic Journal

The History and Perspectives of Efficiency at Maximum Power of the Carnot Engine

التفاصيل البيبلوغرافية
العنوان: The History and Perspectives of Efficiency at Maximum Power of the Carnot Engine
المؤلفون: Michel Feidt
المصدر: Entropy; Volume 19; Issue 7; Pages: 369
بيانات النشر: Multidisciplinary Digital Publishing Institute
سنة النشر: 2017
المجموعة: MDPI Open Access Publishing
مصطلحات موضوعية: Carnot engine, modelling with time durations, steady-state modelling, transient conditions, converter irreversibility, sequential optimization, Finite physical Dimensions Optimal Thermodynamics
الوصف: Finite Time Thermodynamics is generally associated with the Curzon–Ahlborn approach to the Carnot cycle. Recently, previous publications on the subject were discovered, which prove that the history of Finite Time Thermodynamics started more than sixty years before even the work of Chambadal and Novikov (1957). The paper proposes a careful examination of the similarities and differences between these pioneering works and the consequences they had on the works that followed. The modelling of the Carnot engine was carried out in three steps, namely (1) modelling with time durations of the isothermal processes, as done by Curzon and Ahlborn; (2) modelling at a steady-state operation regime for which the time does not appear explicitly; and (3) modelling of transient conditions which requires the time to appear explicitly. Whatever the method of modelling used, the subsequent optimization appears to be related to specific physical dimensions. The main goal of the methodology is to choose the objective function, which here is the power, and to define the associated constraints. We propose a specific approach, focusing on the main functions that respond to engineering requirements. The study of the Carnot engine illustrates the synthesis carried out and proves that the primary interest for an engineer is mainly connected to what we called Finite (physical) Dimensions Optimal Thermodynamics, including time in the case of transient modelling.
نوع الوثيقة: text
وصف الملف: application/pdf
اللغة: English
Relation: Thermodynamics; https://dx.doi.org/10.3390/e19070369
DOI: 10.3390/e19070369
الاتاحة: https://doi.org/10.3390/e19070369
Rights: https://creativecommons.org/licenses/by/4.0/
رقم الانضمام: edsbas.8A6CD2BE
قاعدة البيانات: BASE