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Economic and environmental evaluation of customers' flexibility participating in operation markets: Application to the meat industry
Alcázar-Ortega, Manuel; Álvarez-Bel, Carlos; Domijan, … - In: Energy 41 (2012) 1, pp. 368-379
This paper presents a methodology, which is applied to the meat industry, for the evaluation and assessment of the economical impact of customers participating in operation markets by using the flexibility they may have, as well as the amount of CO2 avoided to be emitted into the atmosphere.
Persistent link: https://www.econbiz.de/10011055799
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Line start permanent magnet synchronous motors: Challenges and opportunities
Hassanpour Isfahani, Arash; Vaez-Zadeh, Sadegh - In: Energy 34 (2009) 11, pp. 1755-1763
motors efficiency as one of the greatest energy consumption apparatuses in the world. Induction motors constitute, by far … powerful candidate with growing market are investigated in some details. The motor opportunities like high efficiency, high …
Persistent link: https://www.econbiz.de/10010807313
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A dynamic model for the efficiency optimization of an oscillatory low grade heat engine
Markides, Christos N.; Smith, Thomas C.B. - In: Energy 36 (2011) 12, pp. 6967-6980
the second law efficiency of the device by 50% points, corresponding to a 3.8% point increase in thermal efficiency. …
Persistent link: https://www.econbiz.de/10010807350
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A comparison of exergy efficiency definitions with focus on low temperature processes
Marmolejo-Correa, Danahe; Gundersen, Truls - In: Energy 44 (2012) 1, pp. 477-489
This work compares two classes of exergy efficiency definitions and applies them on a simple process (i.e. PRICO) for … efficiency definitions already proposed in the literature. In addition, the paper highlights the importance of decomposing the …
Persistent link: https://www.econbiz.de/10010807458
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Advances in hydrogen production by thermochemical water decomposition: A review
Rosen, Marc A. - In: Energy 35 (2010) 2, pp. 1068-1076
Hydrogen demand as an energy currency is anticipated to rise significantly in the future, with the emergence of a hydrogen economy. Hydrogen production is a key component of a hydrogen economy. Several production processes are commercially available, while others are under development including...
Persistent link: https://www.econbiz.de/10010807569
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Energy, exergy, and Second Law performance criteria
Lior, Noam; Zhang, Na - In: Energy 32 (2007) 4, pp. 281-296
and use of energy and exergy based performance criteria, and of the Second Law efficiency, with an aim at the advancement …
Persistent link: https://www.econbiz.de/10010807607
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Energetic and exergetic performance analyses of a combined heat and power plant with absorption inlet cooling and evaporative aftercooling
Khaliq, Abdul; Dincer, Ibrahim - In: Energy 36 (2011) 5, pp. 2662-2670
in detail. The effects of some main parameters on the exergy destruction and exergy efficiency of the cycle are … cooling along with evaporative aftercooling has an obvious increase in the energy and exergy efficiency compared to the basic … gas turbine cycle cogeneration. It is further shown that the first-law efficiency, power to heat ratio and exergy …
Persistent link: https://www.econbiz.de/10010807748
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Simulation and energy efficiency analysis of desiccant wheel systems for drying processes
De Antonellis, Stefano; Joppolo, Cesare Maria; … - In: Energy 37 (2012) 1, pp. 336-345
In drying processes it is necessary to appropriately control air humidity and temperature in order to enhance water evaporation from product surface. The aim of this work is to investigate several HVAC configurations for product drying based on desiccant wheels, in order to find systems which...
Persistent link: https://www.econbiz.de/10010808003
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Ambient condition effects on process heater efficiency
Bussman, W.R.; Baukal, C.E. - In: Energy 34 (2009) 10, pp. 1624-1635
, pressure and humidity all significantly impact process heater efficiency. This paper shows how changing ambient conditions can … reduce efficiency if proper adjustments are not made. …
Persistent link: https://www.econbiz.de/10010808304
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A global coal production forecast with multi-Hubbert cycle analysis
Patzek, Tadeusz W.; Croft, Gregory D. - In: Energy 35 (2010) 8, pp. 3109-3122
Based on economic and policy considerations that appear to be unconstrained by geophysics, the Intergovernmental Panel on Climate Change (IPCC) generated forty carbon production and emissions scenarios. In this paper, we develop a base-case scenario for global coal production based on the...
Persistent link: https://www.econbiz.de/10010808319