Search Results - subject:"Rankine cycle"

Triple cycle for solar thermal power system adapted to periods with varying insolation

Peng, Shuo; Hong, Hui; Jin, Hongguang - In: Energy 60 (2013) C, pp. 129-138

periods. This triple cycle integrates the solar gas-turbine top cycle, the steam Rankine cycle, and the Kalina bottom cycle … heated compressed air was then used to drive the gas turbine to generate electricity. A Rankine cycle with a back …–water mixture as working fluid. After driving the steam Rankine cycle, the flue gas from the gas turbine sequentially heats the …

Persistent link: https://www.econbiz.de/10011052998

An Organic Rankine Cycle off-design model for the search of the optimal control strategy

Manente, Giovanni; Toffolo, Andrea; Lazzaretto, Andrea; … - In: Energy 58 (2013) C, pp. 97-106

Power generation from low enthalpy geothermal resources using Organic Rankine Cycle systems is markedly influenced by …-design model of an Organic Rankine Cycle that includes the performance curves of the main plant components. Two capacitive …

Persistent link: https://www.econbiz.de/10011053371

Analysis of vehicle exhaust waste heat recovery potential using a Rankine cycle

Domingues, António; Santos, Helder; Costa, Mário - In: Energy 49 (2013) C, pp. 71-85

This study evaluates the vehicle exhaust WHR (waste heat recovery) potential using a RC (Rankine cycle ). To this end …

Persistent link: https://www.econbiz.de/10011053645

Simulation and thermodynamic analysis of a bottoming Organic Rankine Cycle (ORC) of diesel engine (DE)

Yu, Guopeng; Shu, Gequn; Tian, Hua; Wei, Haiqiao; Liu, Lina - In: Energy 51 (2013) C, pp. 281-290

This paper presents a simulation model based on an actual Organic Rankine Cycle (ORC) bottoming system of a diesel …

Persistent link: https://www.econbiz.de/10011053966

Efficiency of a new Triangle Cycle with flash evaporation in a piston engine

Steffen, Michael; Löffler, Michael; Schaber, Karlheinz - In: Energy 57 (2013) C, pp. 295-307

A Triangle Cycle with a piston engine expansion unit is used to convert low temperature heat into electrical energy. In this process, the isentropic efficiency of the expansion unit is considered to be unknown, and a theoretical approach for the calculation of isentropic efficiency is presented....

Persistent link: https://www.econbiz.de/10011054019

Performance analyses of geothermal organic Rankine cycles with selected hydrocarbon working fluids

Liu, Qiang; Duan, Yuanyuan; Yang, Zhen - In: Energy 63 (2013) C, pp. 123-132

ORC (organic Rankine cycles) are promising systems for conversion of low temperature geothermal energy to electricity. The thermodynamic performance of the ORC with a wet cooling system is analyzed here using hydrocarbon working fluids driven by geothermal water from 100 °C to 150 °C and...

Persistent link: https://www.econbiz.de/10011054030

Modeling and optimization of a binary geothermal power plant

Ghasemi, Hadi; Paci, Marco; Tizzanini, Alessio; Mitsos, … - In: Energy 50 (2013) C, pp. 412-428

A model is developed for an existing organic Rankine cycle (ORC) utilizing a low temperature geothermal source. The …

Persistent link: https://www.econbiz.de/10011054688

Experimental study on an open-drive scroll expander integrated into an ORC (Organic Rankine Cycle) system with R245fa as working fluid

Declaye, Sébastien; Quoilin, Sylvain; Guillaume, Ludovic; … - In: Energy 55 (2013) C, pp. 173-183

Organic Rankine cycle using R245fa as working fluid. The expander is a commercially available air compressor that was modified … to operate in expander mode. The ORC (Organic Rankine Cycle) system is designed for a nominal heat input of 20 kW and a …

Persistent link: https://www.econbiz.de/10011054874

Thermo-economic assessment of a micro CHP system fuelled by geothermal and solar energy

Tempesti, Duccio; Fiaschi, Daniele - In: Energy 58 (2013) C, pp. 45-51

A micro combined heat and power (CHP) plant operating through an Organic Rankine Cycle (ORC) using renewable energy is …

Persistent link: https://www.econbiz.de/10011054992

Effect of the critical temperature of organic fluids on supercritical pressure Organic Rankine Cycles

Xu, Jinliang; Liu, Chao - In: Energy 63 (2013) C, pp. 109-122

increased. The low Tc organic fluid has a bad thermal match in the evaporator that leads to lower ORC (Organic Rankine Cycle …

Persistent link: https://www.econbiz.de/10011055061