Browsing Ústav procesního inženýrství by Title
Now showing items 1-20 of 28
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Analysis of Fired Equipment within the Framework of Low-Cost Modelling Systems
(MDPI AG, 2019-02-07)Fired equipment suffers from local overloading and fouling of heat transfer surfaces, products are not of the required quality, and operating costs are increased due to the high pressure drop of process fluids. Such ... -
Best response dynamics in waste-to-energy plants' price setting problem
(IOP Publishing, 2021-10-31)This paper deals with the task of waste energy recovery and effective price setting of waste-to-energy plants. Its main contribution is the invention of a new approach to pricing of waste disposal in a particular waste ... -
Biowaste Treatment and Waste-to-Energy - Environmental Benefits
(MDPI, 2020-04-17)Biowaste represents a significant fraction of municipal solid waste (MSW). Its separate collection is considered as a useful measure to enhance waste management systems in both the developed and developing world. This paper ... -
Computation of temperature field by cell method and comparing with commercial software
(IOP Publishing, 2020-04-01)This paper deals with the temperature field of the shell and tube heat exchanger with segmental baffles. Two different types of shell and tube heat exchangers were analysed by a numerical model for thermal-hydraulic rating ... -
Conceptual Design Method for Energy Retrofit of Waste Gas-to-Energy Units
(SDEWES Centre, 2022-06-01)Many industrial waste gasses, especially from chemical and petrochemical processes, contain combustible substances enabling their utilization as a promising energy source. Thermal oxidation represents a suitable and proven ... -
Cooking oils and fat waste collection infrastructure planning: a regional-level outline
(SPRINGER, 2022-01-01)Among the current trends in waste management and circular economy is the involvement of new fractions of waste for sorting and collection. One of them is fats and cooking oils, especially those coming from households. Now, ... -
The Difficulties of Designing Technical-Economic Models for Czech Wastewater Treatment Plants
(University of Maribor Press, 2020-05-21)This paper describes the main points that must be faced when preparing a methodology for a techno-economic model of a wastewater treatment plant (WWTP). The model and the design are meant to be applied to real WWTP ... -
The Effect of Inert Fuel Compounds on Flame Characteristics
(MDPI, 2021-12-31)To describe the effects of inert compounds in gaseous fuel, experiments on three different process burners (staged fuel burner, staged air burner, and low-calorific burner) were carried out. The tested burners are commercially ... -
Effects of Oxygen-Enhanced Combustion Methods on Combustion Characteristics of Non-Premixed Swirling Flames
(MDPI, 2022-03-21)The objective of the present study was to experimentally investigate and compare the characteristics of three oxygen-enhanced combustion (OEC) methods; premix enrichment (PE), air-oxy/fuel combustion (AO), and additionally ... -
The energy performance of vacuum evaporators for liquid digestate treatment in biogas plants
(PERGAMON-ELSEVIER SCIENCE LTD, 2018-03-01)Vacuum evaporation is an efficient method for reducing the volume of liquid digestate (LD) from biogas plants (BGP). Furthermore, thickening LD in BGP contributes to the efficient utilization of waste heat and also reduces ... -
Evaluation of the technical condition of medium-sized boilers
(EDP Sciences, 2018-03-14)The recent trend in the steam and electricity production has been both to increase the efficiency of the facility and to keep tightening legislation concerning emission limits. The lifetime of energy equipment is greatly ... -
Experimentally Verified Flow Distribution Model for a Composite Modelling System
(MDPI, 2021-03-23)A composite modelling system is currently being developed for accurate design of such complex heat transfer equipment. The modeling approach requires a flow distribution model enabling to yield accurate-enough predictions ... -
Indirect Convective Solar Drying Process of Pineapples as Part of Circular Economy Strategy
(MDPI AG, 2019-07-24)This study investigates the industrial-scale application of a simple convective solar drying process of pineapples as part of a circular economy strategy for developing countries. A renewable energy concept is presented, ... -
Mathematical modeling of drying processes of selected fruits and vegetables
(Wiley-VCH GmbH, 2021-10-12)This study investigates the behavior of fruit and vegetable samples during drying. The experimental data are fitted to several different thin-layer drying models. Regression analysis is used to determine model parameters, ... -
Modelling of Change in Fuel Mix within a District Heating Network
(MDPI, 2022-04-17)Changing the fuel mix used in the heating industry, i.e., switching to greener fuels, is one of the possible solutions to prevent rising costs for final consumers in the context of rising emission allowance prices. This ... -
A Multi-Commodity Mathematical Modelling Approach—Hazardous Waste Treatment Infrastructure Planning in the Czech Republic
(MDPI, 2022-03-17)This paper presents an analysis of infrastructure for the processing of Czech hazardous waste and pays attention to predictions of waste management development in the upcoming years. For this purpose, a unique complex ... -
Municipal Waste Composition Analysis – Approaches to and Solutions for Czech Waste Management
(University of Maribor Press, 2020-05-21)Current trends in European Union waste management (WM) have resulted in the unified European Reference Model on Waste. The European Commission and European Environment Agency commissioned research subjects to develop the ... -
New insights into the potential of the gas microturbine in microgrids and industrial applications
(Elsevier, 2020-11-27)This paper gives a comprehensive insight into gas microturbine (GMT) as a part of microgeneration systems. The gas microturbine is a highly effective source that can operate on various types of fuel, including a low-percentage ... -
Nonlinear Finite Element Analysis-based flow distribution and heat transfer model
(MDPI, 2020-04-02)A new strategy for fast, approximate analyses of fluid flow and heat transfer is presented. It is based on Finite Element Analysis (FEA) and is intended for large yet structurally fairly simple heat transfer equipment ... -
Optimization principle of operating parameters of heat exchanger by using CFD simulation
(EDP Sciences, 2016-03-26)Design of effective heat transfer devices and minimizing costs are desired sections in industry and they are important for both engineers and users due to the wide-scale use of heat exchangers. Traditional approach to ...