Optimization of a combined cooling, heating, and power (CCHP) system with a gas turbine prime mover: A case study in the dairy industry

Aghaei, Ali Tavakkol; Saray, Rahim Khoshbakhti

doi:10.1016/j.energy.2021.120788

Cited by 37 publications

(2 citation statements)

References 41 publications

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“…A thermodynamic study is conducted on a gas turbine power plant. The results revealed that the proposed system has achieved higher energy efficiency, annual running cost and lower CO2 gas emission and lower GT pressure ratio [9]. Another study has investigated coupling a gas turbine and a geothermal heat pump to produce electric energy and hot domestic water.…”

Section: Introductionmentioning

confidence: 99%

Impact of Various Combustion Chamber Exhaust Temperatures on a Combined Bryton-ORC Energy Recovery System

Al-Tameemi,

Al-Samari

2023

KEM

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A combined heat and power system has been proposed and evaluated thermodynamically to generate mechanical power and hot water for various applications. The combined system consisted of a gas turbine cycle (GT) to produce the main mechanical power. An Organic Rankine cycle (ORC) is used to convert some of the GT flue gases wasted heat to additional mechanical power. The hot water is produced from two heating levels, in first level the rejected latent heat from the ORC condenser is recovered. While in second heating level the high thermal energy available in the GT working fluid after the compression process is used through a heat exchanger. A thermodynamic simulation is carried out by ASPEN plus package and the thermophysical properties of the working fluids is obtained from REFPROP. The effect of increasing the gas burner flue gases temperature from (700-1250 °C) on the main system design parameters reveals that the overall net power output has declined by 3.5% but it is greater than the standalone GT cycle by 13.4 – 17.6%. In addition, the total thermal energy recovered has declined significantly by 53.7%. Furthermore, the GT thermal efficiency has increased from 16-25% and the combined system has converted the waste heat into hot water with a temperature between 93-48.5 °C to be used in different heating applications.

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Section: Introductionmentioning

confidence: 99%

Impact of Various Combustion Chamber Exhaust Temperatures on a Combined Bryton-ORC Energy Recovery System

Al-Tameemi,

Al-Samari

2023

KEM

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“…For obtaining the thermodynamic system with the best performance, it is necessary to simultaneously satisfy multiple conflicting performance evaluation objectives determined by different constraints. [ 24 ] Hence many scholars employed diverse optimization methods to determine the best system parameters. Naserian et al [ 25 ] adopted Genetic Algorithm with finite‐time thermodynamics concepts and finite‐size components to optimize exergoeconomy for achieving optimal system performance, and their results revealed that multiobjective economic optimization had better performance than just seeking the maximum power generation state.…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis and Optimization of a Novel Combined Cooling, Heating, and Power System‐Integrated Rankine Cycle and Brayton Cycle Utilizing the Liquified Natural Gas Cold Energy

et al. 2022

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In recent years, the efficient utilization of energy has become a hot issue in scientific research. Society needs sustainable development. Fossil energy will gradually withdraw from the stage of energy utilization in the future, and the significance of clean energy becomes increasingly prominent. Natural gas (NG) stands out for its superior characteristics among many clean energy sources. It is generally accepted as the cleanest fossil energy source in the world, [1] which has advantages of high calorific value and economic and environmental protection. NG emits very little greenhouse gas during the combustion process, and its application can greatly reduce the global greenhouse effect. NG is liquid state when stored and when in short distance transported, liquefied natural gas (LNG) is colorless, nontoxic, odorless and noncorrosive, and is 600 times the volume of NG. [2,3] The temperature is À162 °C at 101.325 kPa, LNG will be gasified to more than 25 °C before being transported to the gas user terminal, and the huge cold energy will be released simultaneously. Utilizing this part of energy rationally will produce excellent benefits.At present, LNG cold energy is mainly used as a cold source and applied to the combined power generation, refrigeration, and heating cycle engineering fields with thermal energy (industrial waste heat, solar energy, geothermal energy, etc.) together. In the past decade, there have been extensive in-depth researches conducted in this direction by many scholars. Lee et al. [4] designed and

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Advanced exergy analysis of a trigeneration system after multi-objective optimization by GAMS software

Ahmadi

Ghafurian²,

Niazmand³

et al. 2023

J Therm Anal Calorim

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Optimization of a combined cooling, heating, and power (CCHP) system with a gas turbine prime mover: A case study in the dairy industry

Cited by 37 publications

References 41 publications

Impact of Various Combustion Chamber Exhaust Temperatures on a Combined Bryton-ORC Energy Recovery System

Impact of Various Combustion Chamber Exhaust Temperatures on a Combined Bryton-ORC Energy Recovery System

Performance Analysis and Optimization of a Novel Combined Cooling, Heating, and Power System‐Integrated Rankine Cycle and Brayton Cycle Utilizing the Liquified Natural Gas Cold Energy

Advanced exergy analysis of a trigeneration system after multi-objective optimization by GAMS software

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