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Combustion Gas Turbines
Published in Neil Petchers, Combined Heating, Cooling & Power Handbook: Technologies & Applications, 2020
One cycle that may, in the future, offer the potential of efficiency approaching 50% is the Ericsson cycle. This cycle combines the features of regeneration, reheating, and intercooling along with steam/fuel reformation. In the ideal Ericsson cycle, both isothermal compression and expansion are combined with regeneration. Cycle efficiency is improved versus the Brayton cycle because isothermal compression requires only about 75% of the energy (per unit of air) required by adiabatic compression. Isothermal expansion is also more efficient than adiabatic expansion.
Cryogenic Coolers
Published in Monroe Schlessinger, Infrared Technology Fundamentals, 2019
In this modified system, the open expansion and the regenerator that are used make it resemble the Ericsson cycle. The real Ericsson cycle consists of two isothermal processes and two constant-pressure processes. It differs from the Stirling cycle in the method by which heat is rejected and absorbed in the regenerator. The Ericsson cycle applies the constant-pressure process instead of the constant-volume process and, like the Stirling cycle, it is thermodynamically reversible.
Gas Power Cycles
Published in Kavati Venkateswarlu, Engineering Thermodynamics, 2020
John Ericsson (1803–1889) proposed the Ericsson cycle. Figure 11.12 shows the steady-flow power plant working on the Ericsson cycle, p-v, and T-s diagrams of the Ericsson cycle in which an ideal gas is working fluid.
Energy and exergy analysis of a combined Brayton/Brayton power cycle with humidification
Published in International Journal of Green Energy, 2020
A.K. Mossi Idrissa, K. Goni Boulama
Besides these relatively minor modifications to the basic Brayton cycle, combined power cycles in which the thermal energy of the exhaust stream from the expander is used to drive a bottoming power cycle have been proposed. Brayton/Rankine and Brayton/Brayton combinations are now well-established technologies (Bolland, Forde, and Hande 1996; Ghazikhani, Khazaee, and Abdekhodaie 2014; Jesionek et al. 2012). Bolland, Forde, and Hande (1996) showed that the Brayton/Brayton power cycle is economically viable and allows an increase of the thermal efficiency by more than 10 percentage points compared to the base cycle, while the fuel consumption and specific power output potential are improved in even greater proportions. Other authors proposed other combined cycle configurations, including the cases where the bottoming cycle is an inverse Brayton cycle (Agnew et al. 2003; Zhang, Chen, and Sun 2009), a Stirling engine (Entezari, Manizadeh, and Ahmadi 2018), or an Ericsson cycle (Zheng et al. 2001).