Exploration of a simple, low cost, micro gas turbine recuperator solution for a domestic combined heat and power unit

Clay, A.; Tansley, Geoff

doi:10.1016/j.applthermaleng.2011.04.037

Cited by 10 publications

(5 citation statements)

References 21 publications

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“…The analysis and the results suggested that for the NiCrBSi complex powder were observed the major cubic Cr 6 Ni 16 Si 7 and tetragonal phases Cr 0.7 Ni 0.3 and the minor orthorhombic phase Ni 3 B were observed.…”

Section: Discussionmentioning

confidence: 99%

“…In order to increase the competitiveness of the geothermal energy against the conventional energy resources, there is a great necessity for reducing the costs of geothermal power plant construction and providing safer and continuous energy exploitation. One of the major obstacles that affect a stable and continuous energy production is the corrosion of constructional materials and equipment due to their interaction with an aggressive environment [3][4][5][6]. However, high-quality materials are inevitable for some process components when conventional materials have failed or are expected to lack performance.…”

Section: Introductionmentioning

confidence: 99%

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Morphological characterisation of complex powder used for protective coatings for geothermal plant components

Csáki

Karlsdóttir

Buzaianu

et al. 2016

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. This paper aims to review the morphological characteristics, microstructures, physical and chemical properties of two complex composite powders: Ni18Cr5Si2B and Ni21Cr11Al2.5Y. These powders will be used as an option for coating geothermal turbine blades to prevent corrosion. The corrosion process in the steam turbine results in damages being recognized as the leading cause of reduced availability in geothermal power plants and is depends on temperature, mechanical and vaporous carryover of impurities and water treatment. Thermal spraying is a suitable technique for coating layers with wear and corrosion resistance. Therefore this technique could be successfully used in geothermal applications for obtaining coatings layers from new complex composite powders protecting the turbine blades from corrosions and good control of steam chemistry. The composite powders were investigated using X-ray diffraction and electronic microscopy to provide detailed information about composites morphological modifications. The results obtained after morphological evaluation are encouraging for using these composite powders as an option for coating geothermal components using thermal spraying technique.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Morphological characterisation of complex powder used for protective coatings for geothermal plant components

Csáki

Karlsdóttir

Buzaianu

et al. 2016

IOP Conf. Ser.: Mater. Sci. Eng.

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“…Applications of C-MHXs are found in all important branches of engineering, accounting for 53% of all applications, 16% of which are in chemical engineering alone. The rapid growth of publications, which feature C-MHXs as micropumps and microheat pipes are published in highly specialized fields such as bioengineering and microfabricated fluidic systems, validates the wide practical application of C-MHXs. ,− …”

Section: Introductionmentioning

confidence: 94%

Process Intensification for Compact and Micro Heat Exchangers through Innovative Technologies: A Review

Singh

Montesinos‐Castellanos

Nigam

2019

Ind. Eng. Chem. Res.

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This Review offers quantitative and qualitative analyses of various compact and micro heat exchangers (C-MHXs) in terms of the friction factor, Nusselt number, and heat transfer augmentation mechanism. The C-MHXs, which have already been implemented in industry, are analyzed along with brand-new heat transfer technologies. Pressure drop and Nusselt number are used to characterize the performance of the heat transfer technologies and specifically to ascertain their appropriateness in analyzing C-MHXs. A precise analysis of the correlations reveals that the design parameters must be carefully examined before selecting a suitable correlation. In addition to the quantitative and qualitative analyses, computational fluid dynamics analysis used to design the C-MHXs is also compared with experimental analysis found in the literature. This review of C-MHX technologies will hopefully encourage and motivate more in-depth research into energy-efficient heat transfer devices.

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“…The main heat exchanger categories which encompass recuperators are tubular, plate-type (also known as primary-surface recuperators), and plate-fin, which falls under the extended surface category [23]. Clay and Tansley [24] have developed and analysed a tubular recuperator. The design manages a cold-side effectiveness of 76%, with a total pressure loss in the region of 15%.…”

Section: Fig 1 a Recuperated Solar Thermal Brayton Cycle (Not Drawn T...mentioning

confidence: 99%

Plate-style recuperator for a solar Brayton cycle using high-temperature sealant

Dellar

Roux

Meyer

2020

Applied Thermal Engineering

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Exploration of a simple, low cost, micro gas turbine recuperator solution for a domestic combined heat and power unit

Cited by 10 publications

References 21 publications

Morphological characterisation of complex powder used for protective coatings for geothermal plant components

Morphological characterisation of complex powder used for protective coatings for geothermal plant components

Process Intensification for Compact and Micro Heat Exchangers through Innovative Technologies: A Review

Plate-style recuperator for a solar Brayton cycle using high-temperature sealant

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