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Gasification performance of switchgrass pretreated with torrefaction and densification

Sarkar, Madhura; Kumar, Ajay; Tumuluru, Jaya Shankar; … - In: Applied Energy 127 (2014) C, pp. 194-201

The purpose of this study was to investigate gasification performance of four switchgrass pretreatments (torrefaction at 230 and 270°C, densification, and combined torrefaction and densification) and three gasification temperatures (700, 800 and 900°C). Gasification was performed in a...

Persistent link: https://www.econbiz.de/10011040393

Analysis and optimization of subcritical two-stage vapor injection heat pump systems

Redón, A.; Navarro-Peris, E.; Pitarch, M.; … - In: Applied Energy 124 (2014) C, pp. 231-240

Two of the major problems of heat pump systems working in extreme conditions are the loss of efficiency of the system …

Persistent link: https://www.econbiz.de/10011040419

Efficiency analyses of ethanol-fueled solid oxide fuel cell power system

Hong, Wen-Tang; Yen, Tzu-Hsiang; Chung, Tsang-Dong; … - In: Applied Energy 88 (2011) 11, pp. 3990-3998

overall system efficiency is equal to 74.9%, 72.3% and 71.0%. In general, the results presented in this study provide a useful …

Persistent link: https://www.econbiz.de/10011040444

Analysis and sizing of thermal energy storage in combined heating, cooling and power plants for buildings

Martínez-Lera, S.; Ballester, J.; Martínez-Lera, J. - In: Applied Energy 106 (2013) C, pp. 127-142

are provided to find the optimal volume both in terms of thermodynamic efficiency and of economic profit. …

Persistent link: https://www.econbiz.de/10011040654

Performance analysis of a rotary active magnetic refrigerator

Lozano, J.A.; Engelbrecht, K.; Bahl, C.R.H.; Nielsen, K.K. - In: Applied Energy 111 (2013) C, pp. 669-680

performance (COP) and efficiency of the system was carried out over a range of different hot reservoir temperatures, volumetric … efficiency, η2nd. Losses mapping indicated that friction and thermal leakage to the ambient are the most important contributors … reduction of the cold end thermal parasitic losses are expected to enhance the efficiency of the system. For an operating …

Persistent link: https://www.econbiz.de/10011041176

Novel three-phase steam–air plasma torch for gasification of high-caloric waste

Rutberg, Philip G.; Kuznetsov, Vadim A.; Serba, Evgeny O.; … - In: Applied Energy 108 (2013) C, pp. 505-514

.0–1.8kV, current of ∼28.5A and power of ∼52–86kW. The thermal efficiency of the plasma torch was ∼94–95%. CCD cameras …

Persistent link: https://www.econbiz.de/10011041203

A comprehensive tool for efficient design and operation of polygeneration-based energy μgrids serving a cluster of buildings. Part I: Description of the method

Piacentino, Antonio; Barbaro, Chiara; Cardona, Fabio; … - In: Applied Energy 111 (2013) C, pp. 1204-1221

Polygeneration systems with thermal energy storage represent promising solutions to achieve energy saving and emissions reduction in the civil sector. The definition of customer-oriented design and operation strategies represents a most challenging task, in order to maximize the profitability...

Persistent link: https://www.econbiz.de/10011041293

Simulation and analysis of different adiabatic Compressed Air Energy Storage plant configurations

Hartmann, Niklas; Vöhringer, O.; Kruck, C.; Eltrop, L. - In: Applied Energy 93 (2012) C, pp. 541-548

In this paper, the efficiency of one full charging and discharging cycle of several adiabatic Compressed Air Energy … efficiency of the CAES configurations are examined with the help of sensitivity analysis. …

Persistent link: https://www.econbiz.de/10011041348

Energy efficiency in the European Union: What can be learned from the joint application of directional distance functions and slacks-based measures?

Gómez-Calvet, Roberto; Conesa, David; Gómez-Calvet, … - In: Applied Energy 132 (2014) C, pp. 137-154

to take into account when choosing a given energy mix is the efficiency involved in its generation. In this context, the … present study analyzes the efficiency with which electricity and derived heat was produced in 25 EU member states over the …-products were generated during the production process, a relevant issue for EU climate policy. To this end, two nonparametric …

Persistent link: https://www.econbiz.de/10011041429

Monetary policy and the banking sector in Turkey

Akinci, Dervis Ahmet; Matousek, Roman; Radić, Nemanja; … - In: Journal of International Financial Markets, … 27 (2013) C, pp. 269-285

and efficiency are not significant determinants. The latter is despite our finding that all Turkish banks’ efficiency …

Persistent link: https://www.econbiz.de/10011041494