Efficiency and operational behaviour of small-scale pellet boilers installed in residential buildings

Carlon, Elisa; Schwarz, Markus; Golicza, Laszlo; Verma, Vijay; Prada, Alessandro; Baratieri, Marco; Haslinger, Walter; Schmidl, Christoph

doi:10.1016/j.apenergy.2015.06.025

Cited by 33 publications

(21 citation statements)

References 16 publications

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“…Full load hours also show a significant correlation. Because Spearman's rho is higher than Pearson coefficient, a non-linear function might be better than a linear function to correlate the two quantities (see also Carlon et al [41]). Finally, both methods show weak correlations with operating hours per year, full load hours per year, and runtime per ignitions.…”

Section: All Buildingsmentioning

confidence: 98%

Survey of modern pellet boilers in Austria and Germany – System design and customer satisfaction of residential installations

et al. 2015

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Section: All Buildingsmentioning

confidence: 98%

Survey of modern pellet boilers in Austria and Germany – System design and customer satisfaction of residential installations

et al. 2015

Self Cite

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“…The traditional open fireplaces have efficiencies lower than 20% [158] and should not be considered a heating solution. At the high end of the range, wood pellet boilers can achieve efficiencies of more than 90% [159]. The scale of nondomestic applications is very variable and can go up to several MW th .…”

Section: Heating Applicationsmentioning

confidence: 99%

“…Steam turbines are a mature technology and applied in a wide range of powers. However, in small decentralized plants their electrical efficiency is low [159]. In this case, CHP plants should be operated in a heat-controlled mode with low power-to-heat ratios [159].…”

Section: Chp Applicationsmentioning

confidence: 99%

Solid Biomass from Forest Trees to Energy: A Review

Gonçalves¹,

Malico²,

Sousa³

2019

Renewable Resources and Biorefineries

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Among the different terrestrial ecosystems, forests are the most important biomass carbon producers and the ones that store the most standing biomass carbon. Consequently, they are also the major source of biomass for energy. Forest biomass has been used as a fuel from early times, and from the late twentieth century onward, there has been a renewed interest in its use to produce heat and electricity. The interest in forest biomass as an energy source relates to some of its features, such as relative abundance and uniformity worldwide and neutrality of CO 2 emissions. Nonetheless, its use is not free of risks, mostly related with the sustainability of the forest systems and their productions. This study reviews the state of the art of the forest sources of biomass for energy, their assessment, their properties as a fuel, as well as the conversion technologies used in the most common energy applications.

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“…Compared with the conventional building, in this building, electricity can be obtained directly by the grid, and heat can be obtained from the gas grid via a boiler which burns gas to generate heat with the overall heat efficiency is assumed to be 88% [24]. Adding a high cost, high efficiency energy generator-a micro-CHP unit-in the building represents the main distinction from a conventional building.…”

Section: System Definitionmentioning

confidence: 99%

Optimization of Hybrid Energy Storage Systems at the Building Level with Combined Heat and Power Generation

Liu

Yan

et al. 2017

Energies

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Abstract:The average daily benefit to cost ratio of a building energy storage system is mainly constrained by the battery lifetime. This paper aims to minimize the average daily cost of a hybrid energy storage system (HESS) (comprised of a battery and supercapacitor) by optimizing the battery capacity. A novel optimization model is proposed with the objective to find the minimum average daily investment cost of the HESS. The objective function has two parts: (1) the investment cost formula for the battery is derived as a function of the battery capacity, which has an interdependence with the minimum state of charge (SOC) and the maximum discharge current; (2) the investment cost formula for the supercapacitor is also established as a function of battery capacity by matching the maximum battery power with that of the supercapacitor. Case studies demonstrate several ways to increase the average daily benefit to cost ratio: (1) adopting a suitable control strategy to avoid capacity saturation; (2) reducing the battery SOC to increase the threshold for the maximum discharge current (MDC) saturation; and (3) increasing MDC to raise the threshold for the SOC saturation. Results show that the average daily benefit to cost ratio is doubled compared to previous work.

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Efficiency and operational behaviour of small-scale pellet boilers installed in residential buildings

Cited by 33 publications

References 16 publications

Survey of modern pellet boilers in Austria and Germany – System design and customer satisfaction of residential installations

Survey of modern pellet boilers in Austria and Germany – System design and customer satisfaction of residential installations

Solid Biomass from Forest Trees to Energy: A Review

Optimization of Hybrid Energy Storage Systems at the Building Level with Combined Heat and Power Generation

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