Andrzej Polańczyk
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View article: INVESTIGATION OF THE PERMEABILITY OF PETROLEUM DERIVATIVES BY ARABLE SOILS OF DIFFERENT CLASSES
INVESTIGATION OF THE PERMEABILITY OF PETROLEUM DERIVATIVES BY ARABLE SOILS OF DIFFERENT CLASSES Open
machinery pose a serious environmental threat, leading to soil contamination and degradation. Thisphenomenon requires special attention due to its potential ecological consequences and thesignificance of soil as a resource for agricultural…
View article: Computational fluid dynamic as an engineering tool for the reconstruction of blood hemodynamics and spatial configuration before and after endoleak appearance
Computational fluid dynamic as an engineering tool for the reconstruction of blood hemodynamics and spatial configuration before and after endoleak appearance Open
Endovascular aneurysm repair (EVAR) has emerged as the primary treatment option for abdominal aortic aneurysm (AAA) surgeries. The intricate hemodynamics within the AAA region often leads to various complications in post-stent-graft placem…
View article: Chemical Inhibition of NRF2 Transcriptional Activity Influences Colon Function and Oestrogen Receptor Expression in Mice at Different Ages
Chemical Inhibition of NRF2 Transcriptional Activity Influences Colon Function and Oestrogen Receptor Expression in Mice at Different Ages Open
We aim to investigate whether chemical inhibition of NRF2 transcriptional activity (TA) influences distal colon contractions, particularly in an age-dependent manner in females, and whether it impacts oestrogen receptor signalling in femal…
View article: IMPACT OF SELECTED REMEDIATION METHODS ON SOILS CONTAMINATED WITH PETROLEUM SUBSTANCES
IMPACT OF SELECTED REMEDIATION METHODS ON SOILS CONTAMINATED WITH PETROLEUM SUBSTANCES Open
Human activities play a significant role in affecting soil alterations. Alterations in land structureand utilization methods accurately reflect the socio-economic progress in each region. The driveto meet the livelihood needs of human popu…
View article: THE ORGANIZATION OF DECONTAMINATION FOR PERSONAL PROTECTIVE EQUIPMENT USED IN INCIDENTS INVOLVING HAZARDOUS MATERIALS
THE ORGANIZATION OF DECONTAMINATION FOR PERSONAL PROTECTIVE EQUIPMENT USED IN INCIDENTS INVOLVING HAZARDOUS MATERIALS Open
Contemporary civilization is invariably accompanied by disasters, industrial accidents, infectiousdiseases and increasingly frequent terrorist attacks. Despite the use of ever more sophisticatedsafeguards accompanying the development of ci…
View article: Reconstruction of the Physiological Behavior of Real and Synthetic Vessels in Controlled Conditions
Reconstruction of the Physiological Behavior of Real and Synthetic Vessels in Controlled Conditions Open
The objective of this study is to assess the ability of an Artificial Circulatory Phantom (ACP) to verify its accuracy in simulating the movement of artificial vessels vs. real vessels under changing cardiovascular parameters such as heart…
View article: Review of: "Probabilistic Assessment of the Heavy Metal Pollution in Debrecen’s Topsoil"
Review of: "Probabilistic Assessment of the Heavy Metal Pollution in Debrecen’s Topsoil" Open
Probabilistic Assessment of the Heavy Metal Pollution in Debrecen's Topsoil," presents an interesting study on the environmental quality of the Debrecen area in terms of heavy metal pollution.
View article: ANALYSIS OF PERMEABILITY OF PETROLEUM SUBSTANCES THROUGH SOIL WITH VARIOUS TYPES OF FERTILIZATION
ANALYSIS OF PERMEABILITY OF PETROLEUM SUBSTANCES THROUGH SOIL WITH VARIOUS TYPES OF FERTILIZATION Open
In 2022, the State Fire Service in the Siedlce district recorded 1,081 local threats, of which 83events involved the sorption of chemical and other substances, including petroleum substances,of which 59 involved events related to the possi…
View article: ANALYSIS OF THE LATEST GUIDELINES FOR THE NEUTRALIZATION OF SELECTED ACIDS, INCLUDING RECOMMENDATIONSFOR EMERGENCY RESPONDERS
ANALYSIS OF THE LATEST GUIDELINES FOR THE NEUTRALIZATION OF SELECTED ACIDS, INCLUDING RECOMMENDATIONSFOR EMERGENCY RESPONDERS Open
The aim of this paper is to analyse the latest guidelines regarding the neutralization of selectedacids and to provide recommendations for emergency responders. The transport of hazardoussubstances carries a high risk of accidents. Leakage…
View article: Ammonia Dispersion in the Closed Space of an Ammonia Engine Room with Forced Ventilation in an Industrial Plant
Ammonia Dispersion in the Closed Space of an Ammonia Engine Room with Forced Ventilation in an Industrial Plant Open
Air pollution is a global problem that is responsible for more than four million premature deaths each year. Air exchange in ammonia engine rooms is a priority for normal operating conditions, as well as in the event of an emergency releas…
View article: Computational Fluid Dynamics as an Engineering Tool for the Reconstruction of Endovascular Prosthesis Endoleaks
Computational Fluid Dynamics as an Engineering Tool for the Reconstruction of Endovascular Prosthesis Endoleaks Open
Background and objectives: Endovascular prosthesis placement is a predominant surgical procedure to reduce the risk of aneurysm rupture in abdominal aortic aneurysm patients. The formation of an endoleak is a major complication of stent-gr…
View article: Thermal Analysis of Plastics Used in the Food Industry
Thermal Analysis of Plastics Used in the Food Industry Open
Fires in landfills, where used plastic packaging waste is discarded, have shown how great a fire hazard these types of materials pose. In this study, the course of thermo-oxidation of samples made of polypropylene (PP), polystyrene (PS), a…
View article: Numerical Description of Jet and Duct Ventilation in Underground Garage after LPG Dispersion
Numerical Description of Jet and Duct Ventilation in Underground Garage after LPG Dispersion Open
Contamination of toxic and odorous gases emitted from stacks in buildings located in an urban environment are potential health hazards to citizens. A simulation using the computational fluid dynamic technique may provide detailed data on t…
View article: Computational Fluid Dynamic Technique for Assessment of How Changing Character of Blood Flow and Different Value of Hct Influence Blood Hemodynamic in Dissected Aorta
Computational Fluid Dynamic Technique for Assessment of How Changing Character of Blood Flow and Different Value of Hct Influence Blood Hemodynamic in Dissected Aorta Open
Using computer tomography angiography (CTA) and computational structural analysis, we present a non-invasive method of mass flow rate/velocity and wall stress analysis in type B aortic dissection. Three-dimensional (3D) computer models of …
View article: Numerical Analysis of Smoke Spreading in a Medium-High Building under Different Ventilation Conditions
Numerical Analysis of Smoke Spreading in a Medium-High Building under Different Ventilation Conditions Open
Smoke from fires in residential buildings represents the greatest threat to the life and health of inhabitants and firefighters at the scene of an accident. Therefore, the aim of this study was to reconstruct a numerical model for the esti…
View article: Numerical Reconstruction of Hazardous Zones after the Release of Flammable Gases during Industrial Processes
Numerical Reconstruction of Hazardous Zones after the Release of Flammable Gases during Industrial Processes Open
The storage of large numbers of batteries and accumulators is associated with an increased risk of their ignition, which results in the release of significant amounts of hydrogen into the environment. The aim of the study was to reconstruc…
View article: Heavy Metal Emissions from Linear Sources and Polluted Soil in The Capital City of Poland
Heavy Metal Emissions from Linear Sources and Polluted Soil in The Capital City of Poland Open
Human activities such as transport contribute to the environmental degradation. Therefore, the aim of the study was to determine the level of contamination of soils, from different districts of big cities of central Europe, with heavy meta…
View article: Numerical Simulation of Emergency Release of Liquid Petroleum Gas on a Car Gas Station
Numerical Simulation of Emergency Release of Liquid Petroleum Gas on a Car Gas Station Open
LPG storage tanks may be seriously threatened by a fire coming from nearby fuels or by leakage appearance. The aim of the study was to prepare a three-dimensional model of LPG release on a car gas station under different environmental cond…
View article: Spatial Configuration of Abdominal Aortic Aneurysm Analysis as a Useful Tool for the Estimation of Stent-Graft Migration
Spatial Configuration of Abdominal Aortic Aneurysm Analysis as a Useful Tool for the Estimation of Stent-Graft Migration Open
The aim of this study was to prepare a self-made mathematical algorithm for the estimation of risk of stent-graft migration with the use of data on abdominal aortic aneurysm (AAA) size and geometry of blood flow through aneurysm sac before…
View article: Analysis of Combustion Process of Protective Coating Paints
Analysis of Combustion Process of Protective Coating Paints Open
Structural elements in buildings exposed to high temperature may lose their original stability. Application of steel structures has several advantages; however, deflection under exposure to high temperatures may be a potential obstacle. Th…
View article: Shape and Enhancement Analysis as a Useful Tool for the Presentation of Blood Hemodynamic Properties in the Area of Aortic Dissection
Shape and Enhancement Analysis as a Useful Tool for the Presentation of Blood Hemodynamic Properties in the Area of Aortic Dissection Open
The aim of this study was to create a mathematical approach for blood hemodynamic description with the use of brightness analysis. Medical data was collected from three male patients aged from 45 to 65 years with acute type IIIb aortic dis…
View article: Analysis of the Effectiveness of Decontamination Fluids on the Level of Biological Contamination of Firefighter Suits
Analysis of the Effectiveness of Decontamination Fluids on the Level of Biological Contamination of Firefighter Suits Open
The scope of tasks of chemical and ecological rescue procedures includes prevention of terrorist attacks with biological weapons. After each action, firefighters are obliged to clean and disinfect their outfits to prevent the potential spr…
View article: The Influence of Hydrogen on the Indications of the Electrochemical Carbon Monoxide Sensors
The Influence of Hydrogen on the Indications of the Electrochemical Carbon Monoxide Sensors Open
This article examines electrochemical carbon monoxide (CO) sensors used as mobile devices by rescue and firefighting units in Poland. The conducted research indicates that the presence of chlorine (Cl2), ammonia (NH3), hydrogen sulfide (H2…
View article: Computational Fluid Dynamic Accuracy in Mimicking Changes in Blood Hemodynamics in Patients with Acute Type IIIb Aortic Dissection Treated with TEVAR
Computational Fluid Dynamic Accuracy in Mimicking Changes in Blood Hemodynamics in Patients with Acute Type IIIb Aortic Dissection Treated with TEVAR Open
Background: We aimed to verify the accuracy of the Computational Fluid Dynamics (CFD) algorithm for blood flow reconstruction for type IIIb aortic dissection (TBAD) before and after thoracic endovascular aortic repair (TEVAR). Methods: We …
View article: A novel method for describing biomechanical properties of the aortic wall based on the three-dimensional fluid-structure interaction model
A novel method for describing biomechanical properties of the aortic wall based on the three-dimensional fluid-structure interaction model Open
The FSI technique may be successfully applied to assess the mechanical parameters of patient-specific aortic walls using computed tomography angiographic and 2DSTT measurements.
View article: Artificial Circulatory Model for Analysis of Human and Artificial Vessels
Artificial Circulatory Model for Analysis of Human and Artificial Vessels Open
Background: Ex vivo computer controlled circulatory reactors are advantageous for the investigation of circulatory systems. So far, most of the models have dealt with laminar or pulsatile flow. This study aimed to monitor blood vessel and …
View article: Computational Fluid Dynamics as an Engineering Tool for the Reconstruction of Hemodynamics after Carotid Artery Stenosis Operation: A Case Study
Computational Fluid Dynamics as an Engineering Tool for the Reconstruction of Hemodynamics after Carotid Artery Stenosis Operation: A Case Study Open
Background and objectives: Brain ischemic stroke is caused by impaired or absolutely blocked blood flow into the brain regions. Despite the large number of possible origins, there is no general strategy for preventive treatment. In this pa…