Browsing Ústav procesního inženýrství by Issue Date
Now showing items 1-20 of 28
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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 ... -
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 ... -
Thermal load non-uniformity estimation for superheater tube bundle damage evaluation
(EDP Sciences, 2018-03-14)Industrial boiler damage is a common phenomenon encountered in boiler operation normally which usually lasts several decades. Since boiler shutdown may be required because of localized failures, it is crucial to predict ... -
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 ... -
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 ... -
Principal component analysis-aided statistical process optimisation (PASPO) for process improvement in industrial refineries
(Elsevier, 2019-07-10)Integrated refineries and industrial processing plant in the real-world always face management and design difficulties to keep the processing operation lean and green. These challenges highlight the essentiality to improving ... -
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, ... -
Review of Design and Modeling of Regenerative Heat Exchangers
(MDPI, 2020-02-09)Heat regenerators are simple devices for heat transfer, but their proper design is rather difficult. Their design is based on differential equations that need to be solved. This is one of the reasons why these devices are ... -
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 ... -
Tightness of flange joints: A case study
(IOP Publishing, 2020-04-01)One of the negative technological factors that often have a significant impact on the environment is the leakage of operating media (so-called fugitive emissions), which most often occurs at different separable joints. ... -
Simplified approach for creep evaluation in superheaters
(IOP Publishing, 2020-04-01)This paper is focused on the estimation of temperature distribution on superheater tube bundles for the consequent creep damage evaluation. The precision of estimated temperatures is very important because it significantly ... -
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 ... -
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 ... -
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 ... -
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 ... -
Practical energy retrofit of heat exchanger network not containing utility path
(MDPI, 2020-05-28)The paper presents a method developed for the energy retrofit of specific Heat Exchanger Networks not containing Utility Paths. This useful and highly practically oriented method involves a systematic approach to obtaining ... -
Transition Metal Dichalcogenides for the Application of Pollution Reduction: A Review
(MDPI, 2020-06-01)The material characteristics and properties of transition metal dichalcogenide (TMDCs) have gained research interest in various fields, such as electronics, catalytic, and energy storage. In particular, many researchers ... -
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 ... -
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 ... -
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, ...