Results 251 to 260 of about 142,307 (303)

Thermodynamics in finite time

Physics Today, 1984
Until the 19th century, technology was essentially the domain of skilled artisans and constructors who relied on practical experience to design and build their machines. One of the first efforts to use physical theory to study the functioning of machines was undertaken by the French engineer Sadi Carnot. Motivated by the concern of the French about the
Bjarne Andresen   +2 more
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Equipartition Principles in Finite-Time Thermodynamics

Journal of Non-Equilibrium Thermodynamics, 2000
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De Vos, Alexis, Desoete, Bart
openaire   +2 more sources

Finite-time quantum thermodynamic processes

The European Physical Journal Special Topics, 2007
We study a single quantum object subject to a parametrized distortion of its discrete spectrum and to a parametrized change of its state, which remains diagonal in its invariant energy eigenbasis. The Carnot and the Otto cycle are investigated in the quasistatic as well as in the dynamic (finite time) regime.
T. Jahnke, J. Birjukov, G. Mahler
openaire   +1 more source

Finite-time thermodynamics. Active potentiostatting

Journal of Physics D: Applied Physics, 1998
The paper addresses minimization of the dissipation in systems maintaining constant temperature or other constant intensive variables (potentiostatted systems). The entropy production and energy consumption of such systems are reduced from those of the traditional scheme if additional chambers are interposed between the system and its surroundings, in ...
Anatoly M Tsirlin   +2 more
openaire   +1 more source

Thermodynamics in finite time. II. Potentials for finite-time processes

Physical Review A, 1977
Within the context of conventional time-independent thermodynamics, an algorithm is developed to construct potentials $\mathcal{P}$ that define the extremal values of work for processes with arbitrary constraints. An existence theorem is proved that demonstrates that such potentials $\mathcal{P}$ can be given for any quasistatic process.
SALAMON, P, ANDRESEN, B, BERRY, RS
openaire   +1 more source

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