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Strong motivation exists within the marine sector to reduce fuel expenses and to comply with ever stricter emission regulations. Heat recovery can address both of these issues. The ORC (organic Rankine cycle), the Kalina cycle and the steam Rankine cycle have received the majority of the focus...
Persistent link: https://www.econbiz.de/10010931357
Recently, the TLC (trilateral power cycle) has attracted significant interest as it provides better matching between the temperature profiles in the evaporator compared to conventional power cycles. This article investigates the performance of this cycle and compares it with those for the ORC...
Persistent link: https://www.econbiz.de/10011264392
This paper presents a review of the research on the Kalina cycle, including the description of the Kalina cycle, the comparison of the Rankine and Kalina cycle, energy and exergy analysis on the Kalina cycle, different Kalina systems and their different applications. Moreover, different...
Persistent link: https://www.econbiz.de/10010664527
In the current study, a new solar-driven triple cycle is proposed to allow power generation during low insolation periods. This triple cycle integrates the solar gas-turbine top cycle, the steam Rankine cycle, and the Kalina bottom cycle. During the top cycle of the proposed system, compressed...
Persistent link: https://www.econbiz.de/10011052998
The exergy analysis method was applied in order to evaluate the new combined cycle proposed by Goswami [Solar thermal technology: present status and ideas for the future. Energy Sources 1998;20:137–45], using Hasan–Goswami–Vijayaraghavan parameters. This new combined cycle was proposed to...
Persistent link: https://www.econbiz.de/10011053136
A new solar tower thermal power system integrating the intercooled gas turbine top cycle and the Kalina bottoming cycle is proposed in the present paper. The thermodynamic performance of the proposed system is investigated, and the irreversibility of energy conversion is disclosed using the...
Persistent link: https://www.econbiz.de/10011053389
The present paper investigates a Kalina cycle using low-temperature heat sources to produce power. The main heat source of the cycle is provided from flat solar collectors. In addition, an external heat source is connected to the cycle, which corresponds to 5% up to 10% of the total thermal...
Persistent link: https://www.econbiz.de/10011053910
This paper presents second law analysis of a combined triple power cycle. The Brayton–Rankine combined cycle of a natural gas fired power plant situated in India and the Kalina cycle of Orkuveita Húsavíkur geothermal power plant in Husavik, Iceland were considered. These cycles were...
Persistent link: https://www.econbiz.de/10011053933
The biomass fuel is a renewable energy resource, which is viewed as a promising alternative to fossil energy. This paper investigates a biomass-fired Kalina cycle with a regenerative heater which is generally utilized to heat the feedwater and to increase the efficiency in coal-fired steam power...
Persistent link: https://www.econbiz.de/10011077687
During the heat recovery in a Kalina cycle, a binary aqua–ammonia mixture changes its state from liquid to vapor, the more volatile ammonia vaporizes first and then the water starts vaporization to match temperature profile of the hot fluid. In the present work, a low temperature Kalina cycle...
Persistent link: https://www.econbiz.de/10011041193