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Techno-economic prospects of small-scale membrane reactors in a future hydrogen-fuelled transportation sector

Sjardin, M.; Damen, K.J.; Faaij, A.P.C. - In: Energy 31 (2006) 14, pp. 2523-2555

with small-scale CO2 capture (18$/GJ including H2 storage, dispensing and CO2 sequestration for 40MW SMR versus 19$/GJ for … and larger production volumes (i.e. technological learning) might reduce the levelised hydrogen cost of the membrane … reactor at the refuelling station to less than 14$/GJ including CO2 sequestration cost, below that of large-scale H2 …

Persistent link: https://www.econbiz.de/10011053151

Testing for unit roots, causality, cointegration, and efficiency: The case of the northwest US natural gas market

Gebre-Mariam, Yohannes Kebede - In: Energy 36 (2011) 5, pp. 3489-3500

The present study examined unit roots, causality, cointegration, and efficiency of the natural gas market using the … Northwest US natural gas markets as a case study. The results indicate that the natural gas market prices are stationary after … spot prices for contracts greater than one year to maturity. There are no arbitrages opportunities for daily market prices …

Persistent link: https://www.econbiz.de/10010810039

Employing geothermal heat exchanger in natural gas pressure drop station in order to decrease fuel consumption

Farzaneh-Gord, M.; Ghezelbash, R.; Arabkoohsar, A.; … - In: Energy 83 (2015) C, pp. 164-176

Natural gas stream must be preheated before pressure reduction takes place at natural gas pressure drop station (CGS). It ensures that the natural gas stream remains above hydrate-formation zone. The heater which is employed to provide the required heat consumes a huge amount of fuel. In this...

Persistent link: https://www.econbiz.de/10011264412

Are fluctuations in natural gas consumption per capita transitory? Evidence from time series and panel unit root tests

Shahbaz, Muhammad; Khraief, Naceur; Mahalik, Mantu Kumar; … - In: Energy 78 (2014) C, pp. 183-195

The stationary properties of natural gas consumption are essential for predicting the impacts of exogenous shocks on energy demand, which can help modeling the energy-growth nexus. Then, this paper proposes to investigate the panel unit root proprieties of natural gas energy consumption of 48...

Persistent link: https://www.econbiz.de/10011117584

Assessing the value of power interconnections under climate and natural gas price risks

Pineau, P.-O.; Dupuis, D.J.; Cenesizoglu, T. - In: Energy 82 (2015) C, pp. 128-137

The value of transmission capacity is hard to assess due to the presence of different issues: physics of power networks … transmission capacity, especially between jurisdictions with complementarities. Assessing the value of such interconnections is key …

Persistent link: https://www.econbiz.de/10011209503

Investigating the natural gas supply security: A new perspective

Biresselioglu, Mehmet Efe; Yelkenci, Tezer; Oz, Ibrahim Onur - In: Energy 80 (2015) C, pp. 168-176

This paper assesses the natural gas supply security of 23 importing countries from divergent regions of the world for the period between 2001 and 2013. The indicators used for the study are the volume of imported natural gas, the number of natural gas suppliers, the level of dependency on one...

Persistent link: https://www.econbiz.de/10011190915

Too costly to matter: Economics of nuclear power for Saudi Arabia

Ahmad, Ali; Ramana, M.V. - In: Energy 69 (2014) C, pp. 682-694

electricity generation, water desalination and the opportunity cost associated with forgone oil and gas revenues. A sensitivity … analysis is included to account for variations in important parameters within the comparative cost analysis. Our results …

Persistent link: https://www.econbiz.de/10010808259

Effect of adding oxygen to the intake air on a dual-fuel engine performance, emissions, and knock tendency

Abdelaal, Mohsen M.; Rabee, Basem A.; Hegab, Abdelrahman H. - In: Energy 61 (2013) C, pp. 612-620

Dual-fuel gas-diesel engines present an environmentally attractive substitute for conventional diesel engines that operate with a finite resource petroleum fuel and emit large amount of harmful emissions. However, this engine configuration, in which the gaseous fuel is used as a primary fuel...

Persistent link: https://www.econbiz.de/10010808280

Towards improvement of natural gas-diesel dual fuel mode: An experimental investigation on performance and exhaust emissions

Lounici, Mohand Said; Loubar, Khaled; Tarabet, Lyes; … - In: Energy 64 (2014) C, pp. 200-211

The use of natural gas in compression ignition engines as supplement to liquid diesel in a dual fuel combustion mode is a promising technique. In this study, the effect of DF (dual fuel) operating mode on combustion characteristics, engine performances and pollutants emissions of an existing...

Persistent link: https://www.econbiz.de/10010808531

Part-load analysis of a chemical looping combustion (CLC) combined cycle with CO2 capture

Naqvi, Rehan; Wolf, Jens; Bolland, Olav - In: Energy 32 (2007) 4, pp. 360-370

This paper presents part-load evaluation of a natural gas-fired chemical looping combustion (CLC) combined cycle with CO2 capture. The novel combined cycle employs an air-based gas turbine, a CO2-turbine and a steam turbine cycle. In this combined cycle, the CLC reactors replace combustion...

Persistent link: https://www.econbiz.de/10010808611

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