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Dive into the research topics where Rafał Urbaniak is active.

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Featured researches published by Rafał Urbaniak.


Chemical engineering transactions | 2018

Analysis of the Possibility of Burning and Co-firing Oats in Automatic Solid Fuel Boilers

Rafał Urbaniak; Bartosz Ciupek; Robert Kłosowiak; Adam Nygard

The authors conducted a series of studies to identify the possibility of using standard automatic solid fuel boilers with a retort burner for burning alternative fuel in the form of oats. In addition to the results obtained, the importance of the share of biofuels, their use in industry and their applications in smaller production plants was discussed. Coal has also been presented as a large shareholder in energy production, which we have to reckon with, but also that legal regulations will develop and emissions problems in the low-energy sector cannot be avoided.


International Journal of Applied Mechanics and Engineering | 2015

Portable heat pump testing device

Robert Kłosowiak; Jarosław Bartoszewicz; Rafał Urbaniak

Abstract The aim of this paper is to present the design and working principle of a portable testing device for heat pumps in the energy recirculation system. The presented test stand can be used for any refrigerating/reverse flow cycle device to calculate the device energy balance. The equipment is made of two portable containers of the capacity of 250 liters to simulate the air heat source and ground heat source with a system of temperature stabilization, compressor heat pump of the coefficient of performance (COP) of = 4.3, a failsafe system and a control and measurement system.


Polish Journal of Environmental Studies | 2015

Main causes of NOx emissions by low-power boilers.

Rafał Urbaniak; Jarosław Bartoszewicz; Robert Kłosowiak


Heat Transfer Research | 2018

ANALYSIS OF THE POSSIBILITIES OF APPLICATION OF NUMERICAL METHODS IN THE IMPROVEMENT OF THE OPERATING EFFICIENCY OF LOW-POWER BOILERS

Rafał Urbaniak; Jarosław Bartoszewicz; Wojciech Judt


CIEPŁOWNICTWO, OGRZEWNICTWO, WENTYLACJA | 2018

Emisja tlenku węgla i tlenków azotu z kotła małej mocy w zależności od zastosowanego paliwa węglowego

Bartosz Ciupek; Rafał Urbaniak; Jarosław Bartoszewicz


Archive | 2017

Problem wysokiej emisji tlenków azotu ze spalania paliw stałych w świetle najnowszych kryteriów emisyjnych

Wojciech Judt; Rafał Urbaniak; Jarosław Bartoszewicz


Archive | 2017

Analiza możliwości poprawy efektywności energetycznej urządzeń grzewczych na paliwa stałe

Rafał Urbaniak; Wojciech Judt; Jarosław Bartoszewicz; Robert Kłosowiak


Archive | 2017

Energy transformation in turbulent flow inside reversing chamber

Robert Kłosowiak; Jarosław Bartoszewicz; Rafał Urbaniak


Magazyn Instalatora | 2017

Przegląd węgli sortymentu groszek z wybranych marketów budowlanych

Bartosz Ciupek; Rafał Urbaniak; Jarosław Bartoszewicz


Journal of Power of Technologies | 2017

Characteristics of fans used in low-power boilers

Jarosław Bartoszewicz; Adam Nygard; Rafał Urbaniak

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Jarosław Bartoszewicz

Poznań University of Technology

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Robert Kłosowiak

Poznań University of Technology

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Adam Nygard

Poznań University of Technology

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Michał Ciałkowski

Poznań University of Technology

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Łukasz Semkło

Poznań University of Technology

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Agnieszka Wróblewska

Poznań University of Technology

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Leon Bogusławski

Poznań University of Technology

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