Energy efficiency of electrical infrared heating elements

Brown, K. J.; Farrelly, Rayhaan; O’Shaughnessy, S.M.; Robinson, A.J.

doi:10.1016/j.apenergy.2015.10.064

Cited by 46 publications

(23 citation statements)

References 10 publications

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“…As a result, the body weight increases and the body's resistance to infections also increases. This is confirmed by the results of scientific research conducted in Ukraine and abroad [12][13][14].…”

Section: Introductionsupporting

confidence: 72%

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combined heating systems of premises for breeding of young pigs and poultry

Spodyniuk¹,

Zhelykh²,

Dzeryn³

2018

FME Transactions

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The use of traditional air heating systems in conjunction with supply ventilation for breeding of young animals in industrial conditions is not sufficiently effective. Their work is based on providing the necessary temperature regime indoors, creating a large air exchange and, as a result, increasing the thermal load on the ventilation system. To increase the productivity of livestock production and reducing the energy consumption of heating system it is expedient to create separate zones for the breeding of young animals with combined heating systems. The purpose of the study was to determine the efficiency of combined heating systems with infra-red heater and inlet ventilation system with the keeping of young pigs and poultry.

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Section: Introductionsupporting

confidence: 72%

“…Results of research of infrared heater are described in [12,19,20,21]. A measurement system has been designed to characterize the radiant energy efficiency of infrared heating elements.…”

Section: Introductionmentioning

confidence: 99%

combined heating systems of premises for breeding of young pigs and poultry

Spodyniuk¹,

Zhelykh²,

Dzeryn³

2018

FME Transactions

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“…Fluids are often used for heating in heaters whose principle is based on thermal radiation. The total radiant power of the several heating elements and their infrared efficiency were studied in [1]. Furthermore, many studies investigated the effect of the internal structure of heating ducts on the efficiency of fluid heating.…”

Section: Introductionmentioning

confidence: 99%

Entransy Dissipation Analysis and New Irreversibility Dimension Ratio of Nanofluid Flow Through Adaptive Heating Elements

Alic

2019

Energies

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A hollow electric heating cylinder is inserted inside a thermo-insulating cylindrical body of larger diameter, together representing a single cylindrical heating element. Three cylindrical heating elements, with an independent electrical source, are arranged alternately one after the other to form a heating duct. The internal diameters of the hollow heating cylinders are different, and the cylinders are arranged from the largest to the smallest in the nanofluid’s flow direction. Through these hollow heating cylinders passes nanofluid, which is thereby heated. The material of the hollow heating cylinders is a PTC (positive temperature coefficient) heating source, which allows maintaining approximately constant temperatures of the cylinders’ surfaces. The analytical analysis used three temperatures of the hollow heating cylinders of 400 K, 500 K, and 600 K. The temperatures of the heating cylinders are varied for each of the three cylindrical heating elements. In the same arrangement, the inner diameters of the hollow cylinders are set to 15 mm, 11 mm, and 7 mm in the nanofluid’s flow direction. The basis of the analytical model is the entransy flow dissipation rate. Furthermore, a new dimension irreversibility ratio is introduced as the ratio between entransy flow dissipation and thermal-generated entropy. This paper provides a suitable basis for optimizing the geometric and process parameters of cylindrical heating elements. An optimization criterion can be maximizing the new dimensionless irreversibility ratio, which implies minimizing thermal entropy and maximizing entransy flow dissipation.

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“…There also exist some other new approaches to heating elements, e.g. infrared heating elements [1] or ceramic heating elements [2], but up to now they have not been able to force way through electric water heating.…”

Section: Introductionmentioning

confidence: 99%

Analysis of crystallization fouling in electric water heating

Janzen

Kenig

2019

Heliyon

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In the present study, the main influencing factors of crystallization fouling in electric water heating were investigated. Dependence on the saturation index and four operating parameters was analyzed, namely: liquid temperature, surface temperature, flow rate and electrical leakage current. A focus of the study was the influence of electrical leakage current on the fouling behavior and the morphology of the deposited crystal layers. The investigation shows that the aforementioned parameters influence the fouling process and crystal size growth in a different way. The experimental results were used to find a correlation between the electrical leakage current and induction time. In addition, a modeling approach is presented which allows an estimation of the fouling mass flux.

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Energy efficiency of electrical infrared heating elements

Cited by 46 publications

References 10 publications

combined heating systems of premises for breeding of young pigs and poultry

combined heating systems of premises for breeding of young pigs and poultry

Entransy Dissipation Analysis and New Irreversibility Dimension Ratio of Nanofluid Flow Through Adaptive Heating Elements

Analysis of crystallization fouling in electric water heating

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