Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Velichkova Rositsa"'
Publikováno v:
E3S Web of Conferences, Vol 551, p 02012 (2024)
The paper presents an experimental study of a velocity field in an open channel. The study of water flow in an open channel is complicated due to the influence of various factors and different variables. Some of the variables affecting the flow param
Externí odkaz:
https://doaj.org/article/16621047e7ed48509dec7454f1b8e45f
Publikováno v:
E3S Web of Conferences, Vol 404, p 01002 (2023)
Bulgaria is exposed to a number of natural hazards and risks negative consequences have a significant impact on the environment and the population, industry, infrastructure, cultural heritage, etc. Floods are the second most common disaster in Bulgar
Externí odkaz:
https://doaj.org/article/a1f83cd593344f64a9e30d66ff3489b8
Autor:
Velichkova Rositsa, Pushkarov Martin, Simova Iskra, Markov Detelin, Denev Ivan, Angelova Radostina
Publikováno v:
E3S Web of Conferences, Vol 404, p 01008 (2023)
Energy from renewable sources reduces greenhouse gas emissions and lowers our dependence on imported fossil fuels. In the presented work, a new way of harnessing the energy of sea waves is given, namely a turbine with oscillating blades. The experime
Externí odkaz:
https://doaj.org/article/f2ba5484622f4e70b5c7c3d8b1ae3f40
Autor:
Velichkova Rositsa, Gieva Elitsa
Publikováno v:
E3S Web of Conferences, Vol 347, p 05005 (2022)
Bulgaria is exposed to a number of natural hazards and risks negative consequences have a significant impact on the environment and the population, industry, infrastructure, cultural heritage, etc. Forest fires account for the largest number of these
Externí odkaz:
https://doaj.org/article/0f5fbd7954884ea180423917d46a1661
Publikováno v:
E3S Web of Conferences, Vol 347, p 05004 (2022)
Tundzha River is the third greatest river in Bulgaria and the largest tributary of the fourth largest river in the country, the Maritsa River. The risks for flood events in the Tundzha River basin was assessed based on the characteristics of the rive
Externí odkaz:
https://doaj.org/article/9eb8dcefd7364b6ab415bc047b7ab6db
Autor:
Pitchurov George, Markov Detelin, Simova Iskra, Velichkova Rositsa, Stankov Peter, Angelova Radostina
Publikováno v:
E3S Web of Conferences, Vol 327, p 05001 (2021)
The distribution of PM2.5 around a thermal manikin with realistic female body shape in a naturally ventilated room has been modelled. The health risk (HR) due to inhalation of the PM2.5 has been quantified by integrating the pollutants mass flux over
Externí odkaz:
https://doaj.org/article/242a29cdeb814382bc85c977be3c1215
Publikováno v:
E3S Web of Conferences, Vol 327, p 03003 (2021)
The use of an efficient personal cooling system in hot environments is becoming increasingly popular, as the increased air temperature provokes thermophysiological discomfort, heat stress, reduced productivity and could lead to several health issues.
Externí odkaz:
https://doaj.org/article/7e2c972fa2814d23834bef668c832b38
Publikováno v:
E3S Web of Conferences, Vol 207, p 02015 (2020)
Global warming intensifies the water cycle. The intensified water cycle is considered to be among the reasons for the increment of floods in several regions on Earth. The floods and the ensuing disaster situations, which have increased over the past
Externí odkaz:
https://doaj.org/article/56e6584d46064ff98de697bac9d5d0b0
Autor:
Pushkarov Martin, Velichkova Rositsa
Publikováno v:
E3S Web of Conferences, Vol 207, p 02016 (2020)
In presented work is made an experimental study for purification of mining water. Depending on the specific requirements, the required methodology is used. It is made an analysis of the obtain results. Experimental studies to determine the levels of
Externí odkaz:
https://doaj.org/article/290db27fc17740b89d9a0b2ff97428ef
Autor:
Wang, Jian, Hu, Yongjie, Dong, Xiaoshan, Wang, Yincheng, Tao, Junyu, Yan, Beibei, Zheng, Wandong, Velichkova, Rositsa, Chen, Guanyi
Publikováno v:
In Fuel 1 March 2024 359