Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Roman Ulbrich"'
Publikováno v:
Journal of Sustainable Development of Energy, Water and Environment Systems, Vol 5, Iss 4, Pp 579-589 (2017)
Sustainable economic development requires the use of renewable energy sources in a rational and thoughtful way. In Polish conditions the use of several types of renewable energy sources on a single setup is a new issue. In particular, hybrid devices
Externí odkaz:
https://doaj.org/article/94fa3402e9e540038441d2863b684753
Autor:
Waldemar Fedak, Roman Ulbrich, Grzegorz Ligus, Marek Wasilewski, Szymon Kołodziej, Barbara Wasilewska, Marek Ochowiak, Sylwia Włodarczak, Andżelika Krupińska, Ivan Pavlenko
Publikováno v:
Energies, Vol 14, Iss 14, p 4280 (2021)
This article reports the results of a study into the effect of operating parameters on the occurrence and course of gas–liquid two-phase phenomena during the fogging process carried out with the use of a conical pressure-swirl nozzle. Four alternat
Externí odkaz:
https://doaj.org/article/5a25bd7f9bd34295919655e35d6af570
Publikováno v:
Inżynieria Ekologiczna, Vol 18, Iss 4, Pp 214-217 (2017)
The aim of the study was to determine the effects of disrupting strips on the drying sewage sludge process. The research was carried out for four cases: without strips, three strips on the circumference of the drum and one central strip arranged hori
Externí odkaz:
https://doaj.org/article/8f2dc5dc8ec84c4c8f5947ec1b31d35c
Publikováno v:
Inżynieria Ekologiczna, Vol 49, Pp 107-111 (2016)
The research were conducted to determine the pellets degradation for different fill-in-degree of the rotating drum – from 15% to 30%. Measurements of the degradation coefficient was determined for the start and finally of cataracting in accordance
Externí odkaz:
https://doaj.org/article/2e08b3ee6d3341aaac8fba7ca80681b6
Publikováno v:
Inżynieria Ekologiczna, Vol 44, Pp 77-82 (2015)
Rotating drums are used to grinding, drying, mixing, screening, granulating and other processes in environmental engineering. Depending on the nature of the process they can be equipped with additional devices to support the processes. In this work,
Externí odkaz:
https://doaj.org/article/4131da6e9a694a6385de222aa246f309
Publikováno v:
Inżynieria Ekologiczna, Vol 44, Pp 83-88 (2015)
The aim of this research was to determine the influence of disrupting flights on the screening in rotating drum. The study was carried out for drum with diameters of 700 mm and for three cases: empty drum, drum with one and four flights. The bed cons
Externí odkaz:
https://doaj.org/article/e2a649d821c14fdc9baf27578a55d354
Autor:
Paweł Wacławczyk, Roman Ulbrich
Publikováno v:
MATEC Web of Conferences, Vol 18, p 02005 (2014)
Following the general tendency of miniaturization of devices in many branches of industry, smaller and smaller components are used. Mini channels are used to construct mini heat exchangers and mini reactors. Because of this fact, predicting two-phase
Externí odkaz:
https://doaj.org/article/93406702e0394a3d9baa4cfa5287ce1f
Autor:
Roman Ulbrich, Stanisław Anweiler
Publikováno v:
Thermal Science, Vol 24, Iss 6 Part A, Pp 3577-3588 (2020)
This paper is a description of the evolution of long-term research work on two-phase flows using parallel studies of dynamic image analysis and stochastic processes analysis. The state of current knowledge on the research of gas-solid and gas-liquid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88c598abd696335eae08e0f37bc5f5e4
http://www.doiserbia.nb.rs/img/doi/0354-9836/2020/0354-98362000278A.pdf
http://www.doiserbia.nb.rs/img/doi/0354-9836/2020/0354-98362000278A.pdf
Autor:
Sylwia Włodarczak, Marek Ochowiak, Roman Ulbrich, Ivan Pavlenko, Andżelika Krupińska, Waldemar Fedak, Barbara Wasilewska, Marek Wasilewski, Szymon Kołodziej, Grzegorz Ligus
Publikováno v:
Energies, Vol 14, Iss 4280, p 4280 (2021)
Energies; Volume 14; Issue 14; Pages: 4280
Energies; Volume 14; Issue 14; Pages: 4280
This article reports the results of a study into the effect of operating parameters on the occurrence and course of gas–liquid two-phase phenomena during the fogging process carried out with the use of a conical pressure-swirl nozzle. Four alternat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::278b76d5ac31e232e4f75aa2163507eb
https://doi.org/10.3390/en14144280
https://doi.org/10.3390/en14144280
Publikováno v:
Inżynieria Ekologiczna, Vol 18, Iss 4, Pp 214-217 (2017)
The aim of the study was to determine the effects of disrupting strips on the drying sewage sludge process. The research was carried out for four cases: without strips, three strips on the circumference of the drum and one central strip arranged hori
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e1dc98650d1c23ada97b8c229dafae2
http://www.journalssystem.com/ie/Porownanie-wplywu-dwoch-rodzajow-listew-zaburzajacych-na-ruch-zloza-w-suszarkach-bebnowych,74954,0,2.html
http://www.journalssystem.com/ie/Porownanie-wplywu-dwoch-rodzajow-listew-zaburzajacych-na-ruch-zloza-w-suszarkach-bebnowych,74954,0,2.html