Results 31 to 40 of about 5,694,160 (199)
Prescribed energy connecting orbits for gradient systems
, 2019 We are concerned with conservative systems $\ddot{q}=\nabla V(q), \; q\in\mathbb{R}^N$ for a general class of potentials $V\in C^1(\mathbb{R}^N)$.
Alessio, Francesca +2 more
core +3 more sources
Advancements in hybrid photovoltaic-thermal systems: performance evaluations and applications [PDF]
, 2016 Due to European Directives (2010/31/UE on buildings energy performance, 2009/28/CE on the use of renewable energy, 2012/27/UE on the energy efficiency) the electric and thermal energy needs of new and retrofitted buildings are faced by increasing ...
Bagarella, Giacomo +2 more
core +1 more source
Energy spectra of quasiperiodic systems via information entropy [PDF]
, 1994 We study the relationship between the electronic spectrum structure and the configurational order of one-dimensional quasiperiodic systems. We take the Fibonacci case as an specific example, but the ideas outlined here may be useful to accurately ...
A. Cordelli +23 more
core +6 more sources
Decay to equilibrium for energy-reaction-diffusion systems [PDF]
, 2016 We derive thermodynamically consistent models of reaction-diffusion equations coupled to a heat equation. While the total energy is conserved, the total entropy serves as a driving functional such that the full coupled system is a gradient flow.
Haskovec, Jan +3 more
core +2 more sources
Energy security issues in contemporary Europe [PDF]
, 2018 Throughout the history of mankind, energy security has been always seen as a means of protection from disruptions of essential energy systems. The idea of protection from disorders emerged from the process of securing political and military control over ...
Abrhám, Josef +3 more
core
The great transformation: decarbonising Europeâ??s energy and transport systems [PDF]
The euro-area crisis dominates the economic news. Yet, the world and Europe may face even more important challenges that will shape our lives and the lives of our children.World population is projected to increase to 9 billion or more by 2050.
Anta Ndoye +6 more
core +1 more source
Alternative kinetic energy metrics for Lagrangian systems [PDF]
, 2010 We examine Lagrangian systems on R-n with standard kinetic energy terms for the possibility of additional, alternative Lagrangians with kinetic energy metrics different to the Euclidean one.
Prince, G, Sarlet, Willy
core +2 more sources
Energy use and efficiency in selected rice-based cropping systems of the Middle-Indo Gangetic Plains in India [PDF]
, 2018 The use and cost of energy in agriculture have increased, making it necessary to make current agricultural practices more energy efficient. To do this, the prevailing systems must be thoroughly analysed.
Perret, Sylvain +2 more
core +1 more source
, 2011 We study the participant-spectator matter at the energy of vanishing flow for neutron-rich systems. Our study reveals similar behaviour of articipant-spectator for neutron-rich systems as for stable systems and also points towards nearly mass ...
Gautam, Sakshi, Puri, Rajeev K.
core +1 more source
High-efficiency crystalline silicon technology development [PDF]
, 1984 The rationale for pursuing high efficiency crystalline silicon technology research is discussed. Photovoltaic energy systems are reviewed as to their cost effectiveness and their competitiveness with other energy systems.
Prince, M. B.
core +1 more source