Zobrazeno 1 - 10
of 1 029
pro vyhledávání: '"energetic efficiency"'
Publikováno v:
Ekonomika a Spoločnosť, Vol 25, Iss 1, Pp 36-60 (2024)
The current geopolitical framework has forced European countries to redefine their energy relations and take rapid steps to become energy independent. In recent years, Europe has relied on Russian oil and gas, especially countries like Germany or Ita
Externí odkaz:
https://doaj.org/article/4ccd32485d4940b0ae1ba720cf94f68f
Publikováno v:
Journal of Renewable Energy and Environment, Vol 10, Iss 4, Pp 99-106 (2023)
Researchers worldwide are studying thermal energy storage with phase change materials because of their substantial benefits in the enhancement of energy efficiency of thermal drying systems. A two-stage convective-vacuum impulsive drying plant is a t
Externí odkaz:
https://doaj.org/article/86ca6544d4234f64a448c93a1a9d6f3f
Publikováno v:
Analele Universităţii Constantin Brâncuşi din Târgu Jiu : Seria Economie, Iss 2, Pp 139-146 (2023)
The money value over time refers to investments and price changes over time. Generally speaking, investments increase in value at a percentage rate of return and alternatives or options are assessed on the basis of the notional return on the estima
Externí odkaz:
https://doaj.org/article/fcd93a4020b24b08b2264c7a13b26f40
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 5, Iss , Pp 100212- (2023)
Owing to present investigation, a stochastic analysis is conducted to numerically optimize the energetic and exergetic efficiencies of embedded twisted rib turbulator over absorber plate of solar air heaters (SAHs). These efficiencies are assessed ta
Externí odkaz:
https://doaj.org/article/2b6d90738ae9447dbf37fb84825bb935
Autor:
Elena Succurro, Francesco Cicone, Annalisa Papa, Sofia Miceli, Patrizia Vizza, Teresa Vanessa Fiorentino, Maria Perticone, Angela Sciacqua, Pietro Hiram Guzzi, Pierangelo Veltri, Giuseppe Lucio Cascini, Francesco Andreozzi, Giorgio Sesti
Publikováno v:
Cardiovascular Diabetology, Vol 22, Iss 1, Pp 1-11 (2023)
Abstract Background Alterations in myocardial mechano-energetic efficiency (MEEi), which represents the capability of the left ventricles to convert the chemical energy obtained by oxidative metabolism into mechanical work, have been associated with
Externí odkaz:
https://doaj.org/article/81174790da2244f794c59edec16fd26e
Autor:
CARAIMAN ADRIAN-COSMIN
Publikováno v:
Analele Universităţii Constantin Brâncuşi din Târgu Jiu : Seria Economie, Iss 4, Pp 298-318 (2022)
Life cycle cost is a widely recognised method as an important instrument for assessing the economic performance of energy and water conservation as well as renewable energy projects undertaken in both the public, country and private sectors. The me
Externí odkaz:
https://doaj.org/article/06c3cd95efd444868ab09c9090795b09
Autor:
Maria V. Manzi, Costantino Mancusi, Maria Lembo, Giovanni Esposito, Maria A.E. Rao, Giovanni deSimone, Carmine Morisco, Valentina Trimarco, Raffaele Izzo, Bruno Trimarco
Publikováno v:
ESC Heart Failure, Vol 9, Iss 4, Pp 2291-2300 (2022)
Abstract Aims In a hypertensive population with optimal blood pressure control with a long‐term follow‐up, we aimed at analysing possible predictors of left ventricular (LV) ejection fraction (LVEF) reduction, including indexed mechano‐energeti
Externí odkaz:
https://doaj.org/article/bcfb1fbde8624be08c067010e935b21c
Publikováno v:
Actuators, Vol 12, Iss 10, p 380 (2023)
Depth control is crucial for underwater vehicles, not only to perform certain tasks that require the vehicle to be still at a given depth but also because most propeller-driven vehicles waste a considerable amount of energy to counteract the passivel
Externí odkaz:
https://doaj.org/article/1655378769d64e358bd3dde23d7d3e12
Autor:
Marina Irina, Grujić-Vučkovski Biljana
Publikováno v:
Western Balkan Journal of Agricultural Economics and Rural Development, Vol 4, Iss 2, Pp 119-133 (2022)
In recent time, raspberry production, both in the open field and in protected areas, has been expanding. The rapid growth in demand for this fruit species either as fresh or frozen, encourage the producers to intensify its production, initiating cert
Externí odkaz:
https://doaj.org/article/f9933fee62704678af0a6dd0edde343c
Publikováno v:
Heliyon, Vol 8, Iss 12, Pp e12230- (2022)
Supercritical Brayton cycles have been considered as one of the technologies that present high thermal efficiencies in a wide range of energy conversion systems. Also, these systems can even increase their efficiency by incorporating a suitable botto
Externí odkaz:
https://doaj.org/article/4a597f3608074198b0328cffa0bab4eb