Mikhail Vasilyevich Pavlov
YOU?
Author Swipe
View article: PREPAREDNESS FOR ACTION IN CASE OF NATURAL OR TECHNOLOGICAL DISASTERS AND EMERGENCIES IN BULGARIA
PREPAREDNESS FOR ACTION IN CASE OF NATURAL OR TECHNOLOGICAL DISASTERS AND EMERGENCIES IN BULGARIA Open
The survey, containing 20 questions, summarised and analysed the attitudes of a number of segments of the population in Bulgaria regarding whether state structures are capable of successfully countering various threats of a natural, milita…
View article: Optimizing Heating Systems for Greenhouses Using Gas Radiators
Optimizing Heating Systems for Greenhouses Using Gas Radiators Open
Heating is responsible for as much as half of the energy used in the crop production of greenhouses, which makes developing energy‐efficient heating systems essential to sustainable agriculture. This study examines the practical issue of e…
View article: Optimizing Heating Systems for Greenhouses Using Gas Radiators
Optimizing Heating Systems for Greenhouses Using Gas Radiators Open
Heating is responsible for as much as half of the energy used in the crop production of greenhouses, which makes developing energy‐efficient heating systems essential to sustainable agriculture. This study examines the practical issue of e…
View article: Comparative analysis of acoustic calculation methods for throttling devices
Comparative analysis of acoustic calculation methods for throttling devices Open
Objective. The identification of increased noise levels from ventilation systems during the operation of buildings necessitates complex and costly procedures to detect and eliminate noise sources, conduct dismantling work, install addition…
View article: Investigation of the indoor air temperature in a civilian building after an emergency shutdown of the heating system
Investigation of the indoor air temperature in a civilian building after an emergency shutdown of the heating system Open
Objective . An emergency shutdown of the heating system of a civil building will inevitably lead to a violation of the thermal regime in the heated rooms. Subsequently, this incident will have a negative impact on human thermal comfort and…
View article: Solution of the boundary value problem of heat and mass transfer by the method of joint application of the integral Laplace transform and the Bubnov-Galerkin variational method for conditions of radiant soil heating
Solution of the boundary value problem of heat and mass transfer by the method of joint application of the integral Laplace transform and the Bubnov-Galerkin variational method for conditions of radiant soil heating Open
The purpose of the research is to find, predict and regulate the temperature and humidity regime of the soil for the conditions of radiant heating of cultivation facilities using dark-type ceiling infrared emitters. A system of differentia…
View article: Determination of Thermal Conductivity of Nano-ceramic Thermal Insulation Coating on the Surface of a Heat Pipe
Determination of Thermal Conductivity of Nano-ceramic Thermal Insulation Coating on the Surface of a Heat Pipe Open
In the pursuit of conserving non-renewable fuel and energy resources and mitigating harmful emissions into the atmosphere, thermal insulation is commonly employed in practice for heated elements, including but not limited to building exter…
View article: Solution of the Heat and Mass Transfer Problem for Soil Radiant Heating Conditions Using the Error Function
Solution of the Heat and Mass Transfer Problem for Soil Radiant Heating Conditions Using the Error Function Open
Achieving high yields of agricultural crops requires the ability to predict soil temperature and moisture regimes, taking into account soil heating technology. The object of study is soil heated by a ceiling infrared emitter. The subject o…
View article: Indoor Air Temperature in the Cultivation Facility Following an Emergency Heating System Shutdown
Indoor Air Temperature in the Cultivation Facility Following an Emergency Heating System Shutdown Open
Creating favorable climatic conditions for plant cultivation in growing facilities is directly linked to the stable operation of the heating system, especially during the winter months. Consequently, predicting the thermal regime of a spac…
View article: Investigation of the Thermal Regime of a Cultivation Structure Following an Emergency Shutdown of the Heating System
Investigation of the Thermal Regime of a Cultivation Structure Following an Emergency Shutdown of the Heating System Open
Maintaining favorable microclimatic conditions in cultivation facilities is directly linked to the stable operation of the heating system. An emergency shutdown of the heating system in a cultivation facility, especially during the winter,…
View article: Impact of Environmental Factors on Indoor Air Temperature in Gas-Fired Radiant Heated Cultivated Structures
Impact of Environmental Factors on Indoor Air Temperature in Gas-Fired Radiant Heated Cultivated Structures Open
Ensuring the required microclimate parameters of a cultivation structure, including indoor air temperature, relative humidity, and soil surface temperature, plays a crucial role in obtaining a rich harvest of vegetables and fruits in the w…
View article: Determination of Pipe Diameter Using Optimization Method
Determination of Pipe Diameter Using Optimization Method Open
During the design phase of engineering networks, a critical issue remains the selection of pipe diameters that minimize capital investments for transporting the heat carrier from the heat source to the consumers. Object of study: a pressur…
View article: Parametric Analysis of a Radiant Gas Heating System for Controlled-Environment Agriculture with Preheated Ventilation
Parametric Analysis of a Radiant Gas Heating System for Controlled-Environment Agriculture with Preheated Ventilation Open
This article explores the fundamental principles of the software method for calculating the gas-fired heating system of a cultivation structure, where the main source of heat is provided by ceiling-mounted gas infrared radiators. To mainta…
View article: THE METHOD AND ALGORITHM FOR CALCULATING THE SYSTEM OF GAS-RADIANT HEATING OF A CULTIVATION FACILITY WITH PREHEATING OF THE SUPPLY AIR
THE METHOD AND ALGORITHM FOR CALCULATING THE SYSTEM OF GAS-RADIANT HEATING OF A CULTIVATION FACILITY WITH PREHEATING OF THE SUPPLY AIR Open
The development of new technologies for maintaining the required microclimate in cultivation facilities presupposes the availability of an appropriate mathematical basis for determining the estimated thermal capacity of heating equipment a…
View article: Solution of the Heat and Mass Transfer Problem for Soil Radiant Heating Conditions Using the Method of Finite Integral Fourier Transform
Solution of the Heat and Mass Transfer Problem for Soil Radiant Heating Conditions Using the Method of Finite Integral Fourier Transform Open
To achieve high agricultural yields, it is essential to predict the soil temperature and moisture regime, considering the heating technology employed. The research object is soil heated by a ceiling-mounted infrared emitter. The research s…
View article: Analyzing Thermal Images to Evaluate Thermal Protection in Residential Structures: Lessons from Russian Practices
Analyzing Thermal Images to Evaluate Thermal Protection in Residential Structures: Lessons from Russian Practices Open
Building thermography is a non-destructive and effective method for diagnosing the thermal insulation of buildings with various purposes. Regardless of the specifics of conducting thermographic surveys, the obtained thermal images (thermog…
View article: Enhancing Energy Efficiency in Greenhouses: Gas-Radiant Heating with Preheated Ventilation
Enhancing Energy Efficiency in Greenhouses: Gas-Radiant Heating with Preheated Ventilation Open
This paper presents an engineering methodology for calculating the heating system of a cultivation facility, employing ceiling-mounted infrared radiators as the primary heat source. The methodology addresses the challenge of maintaining co…
View article: Solution of the boundary value problem of heat and mass transfer using the fourier method of finite integral transform for radiant soil heating conditions
Solution of the boundary value problem of heat and mass transfer using the fourier method of finite integral transform for radiant soil heating conditions Open
The purpose of the research is to find, predict and regulate the temperature and humidity regime of the soil for the conditions of radiant heating of cultivation facilities using dark-type ceiling infrared radiators. In the work, without i…
View article: Non-destructive Thermal Monitoring of Temperature and Flow Rate of the Heat Carrier in a Heating Device
Non-destructive Thermal Monitoring of Temperature and Flow Rate of the Heat Carrier in a Heating Device Open
Conducting various calculations for the heating system of a building under operational conditions is impossible without knowledge of the temperature and flow rate of the heat carrier at specific points. Contact measurement means are not al…
View article: Analysis of the Thermal Regime of a Residential Building Premises after an Emergency Shutdown of the Heating System
Analysis of the Thermal Regime of a Residential Building Premises after an Emergency Shutdown of the Heating System Open
Maintaining favorable microclimatic conditions in a residential dwelling is directly related to the stable operation of the heating system. An emergency shutdown of the heating system, especially in the winter season, can lead to serious n…
View article: Experimental Investigation of Liquid Pressure in a Straight Circular Cross-Section Pipeline
Experimental Investigation of Liquid Pressure in a Straight Circular Cross-Section Pipeline Open
An evaluation of the reliability of a widely accepted method for determining pipeline hydraulic resistance is conducted, based on a comparative analysis of theoretical data with the results of laboratory investigations. The research object…
View article: Detection of hidden defects of thermal protection of buildings and determination of some thermal properties of structural building materials by Non-destructive Thermal Imaging method
Detection of hidden defects of thermal protection of buildings and determination of some thermal properties of structural building materials by Non-destructive Thermal Imaging method Open
Objective . The purpose of the work is the practical approbation of a nondestructive thermal imaging method to identify hidden (invisible) defects and qualitative analysis of the thermal protection of a complex of construction objects in t…
View article: A method for calculating the volume of an intermediate storage tank in storm sewer systems for management and treatment
A method for calculating the volume of an intermediate storage tank in storm sewer systems for management and treatment Open
The purpose of the article is to clarify and supplement the methodology given in the current regulatory and methodological framework for the purpose of engineering calculation of the storm flow management scheme for sewage treatment plants…
View article: Specifics of integrated thermal imaging monitoring modern civil buildings and thermophysical properties of enclosing structures made of building materials of mass production
Specifics of integrated thermal imaging monitoring modern civil buildings and thermophysical properties of enclosing structures made of building materials of mass production Open
Objective. The purpose of the study is to improve the technical procedure and increase the accuracy of determining the key thermophysical characteristics of building materials and products in a stationary thermal regime, as well as expandi…
View article: Hydrodynamic parameters when filtering chromium-containing wastewater through a layer of fibrous waste
Hydrodynamic parameters when filtering chromium-containing wastewater through a layer of fibrous waste Open
It is feasible to filter low-concentration liquid waste of electroplating enterprises containing chromium compounds using filter columns loaded with fibrous aluminum-containing waste from the production of glass composites. The hydrodynami…
View article: Assessing thermal properties of enclosing structures of construction facilities by analysis of thermograms
Assessing thermal properties of enclosing structures of construction facilities by analysis of thermograms Open
Objective. One of the most effective ways to assess thermal protection of construction facilities of various applications is thermal control. Methods. According to the national standard “Method for thermal imaging quality control of therma…
View article: Mass Transfer in a Layer of Aluminized Glass-Fiber Material in the Treatment of Chrome-Containing Wastewater
Mass Transfer in a Layer of Aluminized Glass-Fiber Material in the Treatment of Chrome-Containing Wastewater Open
It is possible to use column-type devices with the loading of composite material - thin glass fibres partially coated with an aluminium layer (AGFM) to purify low-concentrated wastewater on plating plant containing chromium compounds. The …
View article: A review on modern heat-insulating materials for improving the energy efficiency of buildings and life-support utilities
A review on modern heat-insulating materials for improving the energy efficiency of buildings and life-support utilities Open
The main heat engineering characteristics of modern traditional and innovative heat-insulating materials, their advantages, and application fields are considered. Particular attention is paid to liquidceramic heat-insulating materials - th…
View article: Feasibility of active and passive thermal control application for defect identification of building materials and products, enclosures of construction objects
Feasibility of active and passive thermal control application for defect identification of building materials and products, enclosures of construction objects Open
This paper considers one of the most promising and modern methods of non-destructive testing - thermal control. The possibilities and advantages of thermal control for identifying defects of various building materials and products, enclosu…