DSpace at VGTU: Recent submissions
Now showing items 61-80 of 47764
-
Modelling of piezoelectric transducers for environmental monitoring
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)World Health Organization (WHO) defined health as being “a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity”. Physical factors (noise, vibration, electromagnetic ... -
Digitization processes in education
(14th International Scientific Conference “Business and Management 2024”, 2024)The rapid advancement of digital technologies, driven by the Industry revolutions, has triggered significant changes in education on a global scale. The digitisation of educational processes is important because of its ... -
University-industry cooperation: a case study of student innovation projects in Latvia
(14th International Scientific Conference “Business and Management 2024”, 2024)The purpose of this study is to identify the most common forms of university-industry cooperation in Latvia, as well as to evaluate the motivating, facilitating, and barrier-creating factors of such cooperation. A case ... -
Accumulation of Cd in the early stages of the development of rainbow trout Oncorhynchus mykiss Exposed to Cd-based quantum dots and Cd salt
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)The main aims of the present study were: 1) to determine the concentration of Cd in water during the experiment after longterm exposure to rainbow trout embryos and larvae to sublethal concentrations of Cdbased quantum ... -
Digital technologies in the context of small and medium-sized enterprises of the manufacturing industry
(14th International Scientific Conference “Business and Management 2024”, 2024)In the literature, digitalization is often designated as a so-called megatrend. One of the key characteristics of megatrends is that they are characterized by their ability to influence the environment in a variety of ... -
Effect of applied weather data sets on the computational assessment of hygrothermal performance of historical masonry
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)Several historical wall assemblies together with several weather data sets are investigated in order to study the effect of environmental load on hygrothermal performance of historical buildings. The effect of weather data ... -
Experimental study of droplet biofilter packed with green sphagnum
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)Air cleaning from VOC (volatile organic compunds) group of contaminants could be done by using different types of methods: adsoption, absorption, chemical or thermal oxidation. However, the most promising method is bio ... -
Nitrogen compunds in the surface water identifying concentrations and sources
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)The main objective of the surface water monitoring – periodically to conduct water quality testing, to find out the possible sources of pollution in time and to warn population. Water samples for analysis of surface water ... -
The impact of incentives and IoT integration on young consumers’ adoption of pay-per-wash services: a behavioral analysis
(14th International Scientific Conference “Business and Management 2024”, 2024)This study explores pay-per-wash (PPW) services, focusing on young consumers drawing from a dataset of 457 responses collected from Germany and the Czech Republic. Utilizing gender and living conditions as segmentation ... -
Experimental research of biogas yield and quality produced from chicken manure
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)Biogas is a fuel, which can be produced from a renewable energy source – biomass. Such a gas can be freely used in small farms or food industry to produce heat or electricity. Two main components of biogas – metahne CH4 ... -
Correct selection of the ORC system parameters for the exhaust gases heat source
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Contrary to appearances, ORC (Organic Rankine Cycle) systems should not be selected for the highest available temperature of the upper heat source. This approach allows, of course, to achieve the highest energy efficiency, ... -
Analysis of the possibilities of improving environmental conditions in lecture halls using mechanical ventilation
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Didactic classes are conducted in lecture halls usually adapted from the technical side to present content. Audiovisual and sound systems are installed. Unfortunately, in many cases, classrooms are designed from the point ... -
Energy conversion modes depending on the outdoor temperature for an air handling unit with a heat pump
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Modern air handling units (AHU) are increasingly finding solutions in which the main energy transformers are an air heat pump (HP) and a heat recovery exchanger (HRE). The energy conversion modes of such devices are ... -
Life cycle assessment and short-term measurements of indoor environmental quality of a wooden family house
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Nowadays, there is an increased trend in the construction of nearly zero energy buildings which can be also characterized as green buildings. Several studies confirm that wooden buildings fulfil these requirements. However, ... -
The influence of schedules of open office occupants’ presence on building’s energy demand
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Many studies show, that there is a difference between actual and design energy consumption in energy efficient and sustainable buildings. As a rule, buildings consume more energy than it has been foreseen at the design ... -
Effect of open and closed operation modes on the performance of Phase change material based copper heat exchanger
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Many studies related to latent heat thermal energy storage (LHTES) and performance of phase change materials (PCM) are focused on melting and solidification processes. Investigating and understanding the influence of various ... -
Energy and exergy analysis of a cylindrical hot water storage tank: experimental and CFD analysis
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Active solar water heating systems typically include hot water storage tanks. The selection of the storage system strongly affects the performance of the entire system. This article presents a detailed analysis of a hot ... -
Climate change – analysis of indicators
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Progressing climate change poses a major threat to the Earth. According to a UN report, reducing global warming to below 1.5 °C offers hope for maintaining the current quality of human lives and for protecting the environment. ... -
Non-alcoholic drinks supply chains: case of Nestle and Coca-Cola and their contribution analysis during COVID-19 period
(14th International Scientific Conference “Business and Management 2024”, 2024)The supply chain of the non-alcoholic drinks market involves a complex network of suppliers, manufacturers, distributors, and retailers working together to ensure the availability of a wide range of beverages to meet ... -
User value creation determinants in the subscription video-on-demand business model: a literature overview
(14th International Scientific Conference “Business and Management 2024”, 2024)The paper aims at documenting determinants that create user value in the subscription video-on-demand (SVOD) business model. It is a relevant topic to study due to increasing popularity of subscription business models and ...