Fakulta stavební
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Recent Submissions
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Heat storage efficiency and effective thermal output: Indicators of thermal response and output of radiant heating and cooling systems
(Elsevier, 2020-12-15)An alternative indicator of thermal response of radiant heating and cooling systems called heat storage efficiency (HSE) has been tested. The heat storage efficiency was compared with established indicators represented by ... -
A comparative study on the applicability of six radiant floor, wall, and ceiling heating systems based on thermal performance analysis
(ELSEVIER, 2021-04-01)Holistic comparisons of radiant heating systems that would help make an informed decision on the selection of the most convenient system for the specific application are lacking. The applicability of six representative ... -
Insulation panels for active control of heat transfer in walls operated as space heating or as a thermal barrier: Numerical simulations and experiments
(Elsevier, 2018-01-01)Numerical simulations and experiments were performed for a thermally active wall with pipes arranged in milled channels in the thermal insulation. The advantage of this system is its suitability for installation in both ... -
Classification of Thermally Degraded Concrete by Acoustic Resonance Method and Image Analysis via Machine Learning
(MDPI, 2023-01-22)The study of the resistance of plain concrete to high temperatures is a current topic across the field of civil engineering diagnostics. It is a type of damage that affects all components in a complex way, and there are ... -
The Effect of Active Additives and Coarse Aggregate Granulometric Composition on the Properties and durability of Pervious Concrete
(MDPI, 2022-01-28)Pervious concrete (PCO) has many advantages and applications, such as water pooling reduction, noise attenuation, replenishment of groundwater reserves, etc. However, the use of pervious concrete is limited due to its low ... -
Experimental performance analysis of biplane VAWT configurations
(Institute for Research and Development in Industry, 2017-12-15)This paper aim to develop a new Darrieus wind turbine configurations based on the concept of biplane blades in order to improve the performances of the machine. The performances of the new design were investigated numerically ... -
Fluid thermal effect on non-contacting labyrinth seal of 20 MW steam turbine
(Faculty of Mechanical Engineering of the Budapest University of Technology and Economics, 2019-12-17)This paper is divided into two parts; the first describes a CFD analysis of a gland packing labyrinth seals in 20 MW steam turbine in LNG plant using ANSYS CFX code as an isothermal simulation in fluid domain. The results ... -
Influence of heating elements dynamics on energy savings
(Akadémiai Kiadó, 2018-11-01)Computer simulations of dynamic heating of one model typical living room heated alternatively by two types of heating bodies are presented in this paper. This contribution describes a numerical model of two heating elements ... -
Microwave pyrolyzed sewage sludge: influence on soil microbiology, nutrient status, and plant biomass
(Springer Nature, 2022-11-28)Background: Sewage sludge (SS) has been considered a potent source of soil nutrients. However, its direct application to agricultural soils have been discouraged owing to its toxic nature. Therefore, conversion and ... -
A Novel Process for the Containment of SO2 Emissions from Class C Fly Ash in the Fired Materials by Haüyne Formation
(MDPI, 2022-09-27)Class C fly ash has been receiving increasing attention due to the gradual transition of thermal power plants all over the world to the fluidized bed combustion technology with sulfur dioxide emissions capture. This research ... -
Food and agricultural wastesderived biochars in combination with mineral fertilizer as sustainable soil amendments to enhance soil microbiological activity, nutrient cycling and crop production
(Frontiers, 2022-10-06)The ever-increasing human population associated with high rate of waste generation may pose serious threats to soil ecosystem. Nevertheless, conversion of agricultural and food wastes to biochar has been shown as a beneficial ... -
Efficiency of Parallel Connected Desuperheater in a Cooling Circuit
(Budapest University of Technology and Economics, 2022-10-27)Cooling circuits can be improved by using a desuperheater. A series connected desuperheater increases the efficiency of the circuit and allows the waste heat to be used, e.g., for DHW preparation. The study investigates ... -
Application of a Method for Measuring the Grindability of Fine-Grained Materials by High-Speed Milling
(MDPI, 2022-11-15)This article deals with the development of an alternative method for determining the grindability index of fine-grained materials. This method is inspired by the commercially used VTI method (also known as RTI after the ... -
Study on Mechanical Properties of Heap Deposited Fly Ash Based Geopolymers with Different Alkaline Activator Properties
(MDPI, 2022-10-24)Geopolymers can improve environmental protection and are therefore considered a 21st-century material that requires special attention. The main objective of this study was to examine the utilization of fly ash deposited ... -
Seasonal Variability of Resuspension
(EDP Sciences, 2022-11-04)Particulate air pollution in cities is caused by a variety of sources. One of the less-studied contributors is wind-induced particle resuspension. As the wind speed increases, particles are removed from surfaces. These ... -
Study of the Interaction of Cement-Based Materials for 3D Printing with Fly Ash and Superabsorbent Polymers
(MDPI, 2022-11-17)The use of superabsorbent polymers (SAP) in construction is a relatively new trend, and not a completely explored area. However, SAP itself has been on the market for over 80 years. SAPs have a cross-linked three-dimensional ... -
Use of Lightweight Sintered Fly Ash Aggregates in Concrete at High Temperatures
(MDPI, 2022-11-29)This study addresses the issue of the resistance to high temperatures of lightweight concrete lightweighted with sintered fly ash aggregate. Lightweight concretes with different amounts of lightweighting and their properties ... -
Implementace BIM do facility managementu – případová studie velké společnosti v ČR
(Czech Journal of Civil Engineering, 2021-07-31)Facility management (FM) hraje v rámci životního cyklu budovy poměrně významnou roli. Kvalita zavedení FM je pro celoživotní náklady budov společnosti klíčová. Ve fázi projektování budov je již definitivně rozhodnuto o ... -
Feasibility of Using Energy Performance Contracting for the Retrofit of Apartment Buildings in Slovakia
(Sciendo, 2022-09-01)This study is focused on the feasibility of using energy performance contracting (EPC) for the retrofit of two apartment buildings constructed using precast concrete technologies in Slovakia decades ago. The retrofit ... -
RTS BIM PŘI NÁKLADOVÉM OCEŇOVÁNÍ
(Czech Journal of Civil Engineering, 2022-08-31)Tento článek je zaměřen na oceňování s využitím BIM, tedy informačního modelu budovy. Cílem tohoto článku je ocenit stavbu nákladovým způsobem pomocí BIM modelu. Obsahem článku je popis BIM problematiky, dále její zavádění ...
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