Options in Gas Turbine Power Augmentation Using Inlet Air Chilling

1991 ◽  
Vol 113 (2) ◽  
pp. 203-211 ◽  
Author(s):  
I. S. Ondryas ◽  
D. A. Wilson ◽  
M. Kawamoto ◽  
G. L. Haub
Keyword(s):  
Energy Storage ◽  
Gas Turbine ◽  
Thermal Energy ◽  
Thermal Energy Storage ◽  
Water Distribution ◽  
Electrical Energy ◽  
Cogeneration Plant ◽  
Absorption Chillers ◽  
Gas Turbine Exhaust ◽  
Turbine Exhaust

Gas turbine power augmentation in a cogeneration plant using inlet air chilling is investigated. Options include absorption chillers, mechanical (electric driven) chillers, thermal energy storage. Motive energy for the chillers is steam from the gas turbine exhaust or electrical energy for mechanical chillers. Chilled water distribution in the inlet air system is described. The overall economics of the power augmentation benefits is investigated.

scholarly journals Options in Gas Turbine Power Augmentation Using Inlet Air Chilling

1990 ◽  
Author(s):  
Igor S. Ondryas ◽  
Dwayne A. Wilson ◽  
Marvin Kawamoto ◽  
Gary L. Haub
Keyword(s):  
Energy Storage ◽  
Gas Turbine ◽  
Thermal Energy ◽  
Thermal Energy Storage ◽  
Water Distribution ◽  
Electrical Energy ◽  
Cogeneration Plant ◽  
Absorption Chillers ◽  
Gas Turbine Exhaust ◽  
Turbine Exhaust

Gas Turbine Power Augmentation in a Cogeneration Plant using inlet air chilling is investigated. Options include absorption chillers, mechanical (electric driven) chillers, thermal energy storage. Motive energy for the chillers is steam from the gas turbine exhaust or electrical energy for mechanical chillers. Chilled water distribution in the inlet air system is described. Overall economics of the power augmentation benefits is investigated.

Cooling of Gas Turbines Inlet Air Through Aquifer Thermal Energy Storage

2006 ◽  
Author(s):  
Mehdi N. Bahadori ◽  
Farhad Behafarid
Keyword(s):  
Energy Storage ◽  
Gas Turbine ◽  
Thermal Energy ◽  
Thermal Energy Storage ◽  
Power Output ◽  
Gas Turbines ◽  
Confined Aquifer ◽  
Viable Option ◽  
Aquifer Thermal Energy Storage ◽  
The Mean

The power output of gas turbines reduces greatly with the increase of inlet air temperature. Aquifer thermal energy storage (ATES) is employed for cooling of the inlet air of a gas turbine. Water from a confined aquifer is cooled in winter, and is injected back into the aquifer. The stored chilled water is withdrawn in summer to cool the gas turbine inlet air. The heated water is then injected back into the aquifer. A 20 MW Hitachi gas turbine, along with a two-well aquifer were considered for analysis. It was shown that the minimum power output of the gas turbine on the warmest day of the year could be raised from 16.30 to 20.05 MW, and the mean annual power output could be increased from 19.1 to 20.1 MW, and the efficiency from 32.52% to 34.54% on the warmest day of the year and the mean annual efficiency from 33.88% to 34.52%. The use of ATES is a viable option for the increase of gas turbines power output, provided that suitable confined aquifers are available at their sites.

Dynamics of Thermal Energy Storage in Integrated Energy Systems With On-Site Power Generation

2002 ◽  
Author(s):  
Ali A. Jalalzadeh-Azar ◽  
Ren Anderson ◽  
Steven J. Slayzak ◽  
Joseph P. Ryan
Keyword(s):  
Power Generation ◽  
Energy Storage ◽  
Thermal Energy ◽  
Thermal Energy Storage ◽  
Energy Requirement ◽  
Energy Systems ◽  
Electrical Energy ◽  
Energy Availability ◽  
Packed Beds ◽  
Integrated Energy Systems

Integrated energy systems (IES) incorporating on-site power generation provide opportunities for improving reliability in energy supply, maximizing fuel efficiency, and enhancing environmental quality. To fully realize these attributes, optimum design and dynamic performance of integrated systems for a given application have to be pursued. Whether referred to as cogeneration, combined heat and power (CHP) or building cooling, heating, and power (BCHP), integrated energy systems manifest effective energy management aimed at closing spatial and temporal gaps between demand and supply of electrical and thermal energy. This is accomplished by on-site power production and utilization of the resulting thermal energy availability for thermally-driven technologies including desiccant dehumidification, absorption cooling, and space heating. The notion that the demands for thermal and electrical energy are not always congruent and in phase signifies the importance of considering thermal energy storage (TES) for integration. This paper explores the potential impact of implementing TES technology on the overall performance of integrated energy systems from the first- and second-law perspectives. In doing so, the dynamics of packed bed thermal energy storage systems for potential energy recovery from the exhaust gas of microturbines are investigated. Using a validated simulation model, the transient thermal response of these TES systems is examined via parametric analyses that allow variation in the thermal energy availability and physical characteristics of the packed beds. The parasitic electrical energy requirement associated with the pressure losses in the packed beds is included in the performance assessment. The results of this study are indicative of the promising role of TES in integrated energy systems.

scholarly journals Optimal design and energy management of a renewable energy plant with seasonal energy storage

2021 ◽  
Vol 238 ◽  
pp. 02002
Author(s):  
Hilal Bahlawan ◽  
Enzo Losi ◽  
Lucrezia Manservigi ◽  
Mirko Morini ◽  
Michele Pinelli ◽  
...  
Keyword(s):  
Renewable Energy ◽  
Energy Storage ◽  
Optimal Design ◽  
Energy Management ◽  
Thermal Energy ◽  
Thermal Energy Storage ◽  
Fossil Fuels ◽  
Electrical Energy ◽  
Energy Plant ◽  
Energy Plants

The exploitation of fossil fuels is undoubtedly responsible of environmental problems such as global warming and sea level rise. Unlike energy plants based on fossil fuels, energy plants based on renewable energy sources may be sustainable and reduce greenhouse gas emissions. However, they are unpredictable because of the intermittent nature of environmental conditions. For this reason, energy storage technologies are needed to meet peak energy demands thanks to the stored energy. Moreover, the renewable energy systems composing the plant must be optimally designed and operated. Therefore, this paper investigates the challenge of the optimal design and energy management of a grid connected renewable energy plant composed of a solar thermal collector, photovoltaic system, ground source heat pump, battery, one short-term thermal energy storage and one seasonal thermal energy storage. To this aim, this paper develops a methodology based on a genetic algorithm that optimally designs a 100% renewable energy plant with the aim of minimizing the electrical energy taken from the grid. The load profiles of thermal, cooling and electrical energy during a whole year are taken into account for the case study of the Campus of the University of Parma (Italy).

scholarly journals Thermal Energy Shifting Using Thermal Energy Storage with Solar Assisted System for Space Cooling Application

2020 ◽  
Vol 23 (3) ◽  
pp. 216-224
Author(s):  
Abbas Ahmed Hasan ◽  
Najim Abid Jassim
Keyword(s):  
Energy Storage ◽  
Thermal Energy ◽  
Thermal Energy Storage ◽  
Electric Energy ◽  
Electrical Energy ◽  
Summer Season ◽  
Total Power ◽  
Peak Time ◽  
Test Room ◽  
Indoor Comfort

Due to the instability and irregular of national electric power suppled to residence sector in Iraq for long term history, attracted researchers interest to strive for solutions, and associated challenge dry and very hot summer season in Iraq on air conditioning application, A test room full size prototype was constructed in Baghdad, its size 33.5m3, the room is built from very good thermal insulation Autoclave Aerated Concrete AAC with white panted Concrete roof, test room is exposed to solar radiation during entire day, thermal energy shifted by time using thermal energy storage TES containing PCM, PCM is soft paraffin its phase inversion temperature (29 to 27)°C, thermal energy was shifted from night timing by cooling down TES (Discharging PCM) to peak time 11:00 am to 02:00 pm, the testes were carried out over entire summer season April to October, the results showed thermal energy can shift to by any quantity and time based on mass of PCM and enthalpy, electrical energy saved at peak time 52.5% of total power spent over season 2.7KW/day, Only 27% of electric energy utilized to discharge PCM during night, about 43% of heat lose is sourced from exposed roof, melting and solidification of PCM temperature must be within indoor comfort range 23 to 28 ˚C to release or absorb the latent heat 41kJ/kg.

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