From a Vision to a Necessity – from a Necessity to a Vision. Thermal Waste Processing Plants - Case Study: Italy

Wójtowicz-Wróbel, Agnieszka

doi:10.1088/1757-899x/471/11/112005

Cited by 2 publications

(1 citation statement)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The emission of dusts in waste gases occurs in many processes involving energy and heat production, both in large-scale, where energy production technologies are based on coal combustion [1,2] and when energy is produced in smaller-scale, e.g., from recovered heat during combustion in sludge incineration plants or municipal waste incineration plants [3,4].…”

Section: Introductionmentioning

confidence: 99%

Numerical and Experimental Analysis of Flow Pattern, Pressure Drop and Collection Efficiency in a Cyclone with a Square Inlet and Different Dimensions of a Vortex Finder

Wójtowicz

Wolak²,

Wójtowicz-Wróbel

2020

Energies

View full text Add to dashboard Cite

The paper presents results of numerical simulations and experimental investigations of a cyclone with a square inlet and different dimensions of a vortex finder. Investigations were conducted for five, different cyclone models. The main goal of the research was to determine the influence of cyclone vortex finder geometry (diameter, length) on key parameters for a cyclone operation, such as: gas flow pattern, gas velocity and pressure distribution, pressure drop and collection efficiency. The analysis of flow pattern inside the cyclone was carried out with the use of CFD (Computational Fluid Dynamics) simulations, verified using CTA (Constant Temperature Anemometry). Similarly, pressure distributions, pressure drop and collection efficiency for cyclones were determined numerically and with measurements. The study demonstrated that dimensions of the vortex finder have a significant effect on a cyclone performance. The numerical visualisations of flow showed some unfavorable and beneficial effects and phenomena that may occur in cyclones. Moreover, the smallest pressure drop (305 Pa) was predicted for the cyclone with a maximum diameter of the vortex finder (De = 0.105 m), the largest (358 Pa) when this diameter was the smallest (De = 0.075 m). The tests did not show any significant influence of the vortex finder length on the pressure drop in a cyclone. A different tendency was observed in the case of collection efficiency. The maximum value of this parameter (89.5%) was predicted for the cyclone with the shortest vortex finder (s = 0.060 m), minimum (85.5%) when the vortex finder was the longest (s = 0.220 m). In this case, however, tests did not show a significant impact of an outlet diameter on the collection efficiency. Results and conclusions presented in this paper can be practically used for design optimization of cyclone separators, and also to select their operating parameters.

show abstract

Section: Introductionmentioning

confidence: 99%

Numerical and Experimental Analysis of Flow Pattern, Pressure Drop and Collection Efficiency in a Cyclone with a Square Inlet and Different Dimensions of a Vortex Finder

Wójtowicz

Wolak²,

Wójtowicz-Wróbel

2020

Energies

View full text Add to dashboard Cite

show abstract

Social Significance of Technical Water Purification and Treatment Plants – on the Cusp of New Functions of the technical Service Buildings of Cities

Wójtowicz-Wróbel

2019

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

View full text Add to dashboard Cite

Departure from environmentally unfriendly public attitudes and the increasing awareness of environmental protection and the management of natural resources among the residents of cities lead to pro-environmental design efforts—including planning and urban-design-related ones, for the shaping of urban structures. One of the elements of cities that, on the one hand, stir public emotions and on the other constitute an inseparable element of the urban organism, are structures that provide technical services to cities. Examples of these structures include wastewater treatment and water purification plants. The goal of this article is an attempt at finding an answer to the question about what role do wastewater treatment and water purification plants currently play in the structure of Polish cities and what other roles can they play. Particular emphasis was placed on the public reception of such structures. Based on Polish cases, this reception appears to most often be either neutral or negative. The author explores the mechanism of these reactions and their causes, particularly in reference to other structures that provide technical services to cities (e.g. eco-incineration plants, whose construction is faced with intense opposition from residents in Polish conditions almost every time). The author searches for an answer to the question about the cause of public opposition to the construction of these types of structures, and whether we can—and if so, then how—prevent such public attitudes in relation to these types of structures.

show abstract

From a Vision to a Necessity – from a Necessity to a Vision. Thermal Waste Processing Plants - Case Study: Italy

Cited by 2 publications

References 1 publication

Numerical and Experimental Analysis of Flow Pattern, Pressure Drop and Collection Efficiency in a Cyclone with a Square Inlet and Different Dimensions of a Vortex Finder

Numerical and Experimental Analysis of Flow Pattern, Pressure Drop and Collection Efficiency in a Cyclone with a Square Inlet and Different Dimensions of a Vortex Finder

Social Significance of Technical Water Purification and Treatment Plants – on the Cusp of New Functions of the technical Service Buildings of Cities

Contact Info

Product

Resources

About