Oleksandr Zaporozhets

• Professor, Dr.Sc.Eng.
• Area Research Leader - Professor at Institute of Aviation (Łukasiewicz Research Network – Institute of Aviation)

Climate change is the megatrend that will have the biggest impact on the development of sustainable air transportation in near future. Aircraft noise and local air quality in airports are still considered as important but with the priority global GHG emissions. Balanced approach realized during last few decades by ICAO provided the huge reduction o...

Climate change is the megatrend that will have the biggest impact on the development of sustainable air transportation in near future. Aviation sector is expected to triple its proportional share (taking in mind only the development of usual air traffic without the contribution of the new Urban Air Mobility and other Advanced Air Mobility approache...

One of the challenges of designing future commercial supersonic aircraft is accurate prediction and reduction of landing and takeoff (LTO) noise. It is expected that jet noise is a dominant noise source during LTO. In the present study a small-scale acoustic jet noise test has been designed and performed. The model contains a dual-stream nozzle inc...

The biggest challenge in the design of commercial supersonic aircraft is the trade-off between minimizing drag and thus fuel consumption during supersonic cruise while reducing noise levels in areas close to the airport. In this study, two different conceptual designs of supersonic aircraft platforms - a business jet with a cruise speed of Ma=1.4 a...

In this paper we advocate for the establishment of an aviation “innovative ecosystem” in Ukraine, particularly regarding the technology of unmanned aerial vehicles (UAVs). This ambitious strategy necessitates the introduction of new business models, taking advantage of new opportunities for achieving sustainable development goals in the increasingl...

The innovation ecosystem is a synergy of the state, business and research environment aimed at collective action in the field of creation of knowledge flows, support of technological development and commercialization of innovations. The UAV innovation ecosystem is built according to the following scheme: first, a value proposition (innovation) is d...

In 2001, the 33rd Session of the ICAO Assembly adopted a new policy for aircraft noise control globally, referred to as the “balanced approach” to noise management. The ICAO balanced approach guidance contains the explanation of its elements. The goal also is to identify the noise-related measures that achieve the maximum environmental benefit – ai...

The paper is targeted at the analysis of the importance of ADS-B data in overcoming gaps between noise modeling results and short or long-term measurements. The presented results based on noise measurement campaign at Ukrainian airports describe the general peculiarities of the pre-processing of ADS-B data during specific stages of LTO cycle. The p...

The paper presents an overview of instrumental measurements of aircraft noise performed in accordance with the requirements of the guidelines to the aviation rules of Ukraine “Requirements for operators related to noise zoning of the airport vicinity” AR-381-2019. The results of measurements are used for proving aircraft noise contour calculations...

A balanced approach (BA) to noise management was adopted by the ICAO Assembly in 2001 at the 33rd Session as a new policy for aircraft noise exposure control globally. It is a complex approach and the ICAO BA guidance explains all its four elements in detail without the special emphasis which of them is primarily important. The guidance emphasizes...

This paper presents a brief overview of the EU-Project SENECA (LTO noiSe and EmissioNs of supErsoniC Aircraft) aiming to support certification authorities and the International Civil Aviation Organization’s Committee on Aviation Environmental Protection (ICAO CAEP) by providing comprehensive and reliable data regarding the achievable noise levels d...

In many cases the simultaneous protection against electromagnetic and acoustic fields of wide frequency ranges is required. The complexity of such a task lies in the impossibility of significantly reducing low-frequency sound levels with traditional sound-absorbing materials, as well as the different requirements for materials that shield low-frequ...

Сreation of noise exposure maps and airport noise compatibility programs are the basic steps in aircraft noise exposure and impact management in/around the airports, both of them are fundamental for aircraft noise zoning procedures. Noise reduction at source is also a strategic element of this management, and efficient implementation of quieter air...

This book looks at chemmotological solutions to important questions surrounding sustainability and environmental safety of transport — both key priorities within the global strategy of sustainable development. Bringing together expanded versions of selected papers presented at the 8th International Scientific-Technical Conference: Problems of Chemm...

ICAO Balanced Approach (BA) to aircraft noise management in airports is reviewed in accordance with historical and technological challenges. All four basic elements of the BA are subject to noise exposure control with dominant emphasis on reduction of noise at source and compatible land usage inside the noise zoning around the airports. Noise abate...

There is a growing body of research reporting that unwanted indoor noise can negatively affect the well-being of the occupants. According to the World Health Organisation (WHO), indoor guideline values in dwellings are 30 dBA (LAeq,night,indoor), which in turn should also include appropriate airborne and impact sound insulation of façades. Such low...

The paper is targeted at the analysis of the importance of Automatic Dependent Surveillance - Broadcast (ADS-B) data in the terms of overcoming gaps between aircraft noise and local air quality modelling results and their short or long-term measurements. Presented results based on noise and air pollution measurement campaign at Ukrainian airports d...

Окреслено проблему методичного забезпечення інвентаризації викидів забруднювальних речовин із газотурбінних установок газоперекачувальних агрегатів. Проаналізовані літературні джерела із зазначеної проблеми, які свідчать про недостатнє їх висвітлення. Вивчені максимально разові і середньодобові граничнодопустимі концентрації забруднювальних речовин...

This study presents the analysis of six airport exemplification case studies undertaken in the European project "Aviation Noise Impact Management through Novel Approaches-ANIMA". Best practices related to aircraft noise management at airports in individual airport contexts were implemented and evaluated. Case studies on communication and community...

Gas turbine engines of aviation type are the basic element of gas-pumping stations of the pipelines around in the world. They produce harmful noise and the protection zone around the gas-pumping station must provide the safe distance to residence in its vicinity. Due to Ukrainian legal requirements for the stationary (not movable) noise sources the...

Current ICAO Doc 9911 provides the algorithm to calculate aircraft noise levels for any kind of airport flight scenario. The essential difference exists between the measured and calculated sound levels, especially for single flight noise events. Doc 9911 recommends using this method for equivalent sound levels L and noise indices L first of all. A...

Emission sources at airports and compressor stations have the potential to emit pollutants, the effects of which can degrade local air quality. In most cases, the basis of gas pumping units includes either aircraft engines that have exhausted their flight life, or their targeted modifications to fulfill the tasks of gas pumping units and compressor...

European aviation plays a key role in serving society’s needs for safe, secure and sustainable mobility in Europe and all over the world. Its impact on European economy is significant and must be sustained. Environmental protection is and will continue to be a key driver for the aviation industry as a whole. Meeting community expectations on aircra...

Sustainability of aviation must be provided to limit the harmful influence and protect public health and the environment. As a rule, national and international regulations aim to reduce ambient air pollution from the aviation sector. Ukraine and other countries have historically adopted international regulations concerning air quality to protect pu...

Aircraft performance and noise database together with operational weights (depending on flight distances) and operational procedures (including low noise procedures) significantly influence results of noise exposure contour maps assessment in conditions of real atmosphere. Current recommendations of the Standard SAE-AIR1845A allow the definition of...

The successful implementation of the new European Green Deal in aviation depends on the European aeronautics industry’s ability to develop new technologies able to face the climate changes. The decarbonization in the aviation is very difficult, compared to other transport sector, and one possibility to reduce emissions is by increasing the usage of...

The extent of the noise problem is large. In the European Union countries, about 40% of the population are exposed to road traffic noise with an equivalent sound pressure level exceeding 55 dB(A) daytime and 20% are exposed to levels exceeding 65 dB(A). Environmental noise means that emitted from sources such as road traffic, trains, and aircraft....

Aviation in the 21st century contributes to climate change, noise and air pollution. Together with various social and economic problems, environmental issues have the potential to constrain the operation and growth of airports. Constraints on airport capacity affect the capacity of the air navigation system as a whole. Many international airports a...

Why in Kyiv? Experimental acoustics: measurements in acoustic chambers Analytical solutions for noise radiation and propagation effects Aviation noise Noise abatement procedures Noise inside the cabins: noise generation by inboard ACS Conclusions

This article is devoted to the study of sound levels for noise from a gas turbine plant and technological equipment of a compressor station in everyday operation, in order to assess the sustainability of the conditions of sanitary protection zones around the compressor station and in order to protect the population living near the compressor statio...

Climate change is the megatrend that will have the biggest impact on the development of sustainable air transportation in near future. Aviation is expected to triple its proportional share of a Paris compatible 1.5°C budget, declared by UNFCCC Agreement for global temperature through 2050 under current international policies. Basket of measures pro...

The growth of world aviation traffic leads to an increase of the impact on the environment that is now becoming one of the main factors determining the development of the aviation industry. Computational fluid dynamics (CFD) has become an attractive tool to predict pollutant concentration in the real environment. CFD software represents the most ad...

Purpose: Currently models for airport air quality are based on the semi-empirical approaches for description of fluid dynamic of exhaust gases jet from aircraft engine and do not take into account an influence of the ground on jet behaviour and the interaction between the jet and the wing trailing vortex system. Eliminating the fluid mechanisms of...

Till now the exposure analysis and assessment are put in fundament of the system of environment protection from human activities including the civil aviation. Risk methodology is considered mostly as supplemental tool them. All the environmental hazards are subject of occupational (or transportation) safety at the same moment. The risks of their im...

Analytical modelling of system safety and risk methodology is used to describe the relationships between the causes, dangers and effects of aircraft noise impact in various scenarios of aviation system development. Risk is assessed according to the hazard identification, associated with the probability of adverse events and their consequences, but...

The aviation industry is one of the fastest growing industries in the world. It can be viewed as making a positive contribution to aerospace science and technology. ISATECH, international, multi-disciplinary symposium, aims to address current issues in the field of aerospace such as UAVs, propulsion technology, MRO, air transportation operations an...

Матеріал, викладений у посібнику буде корисним для інженерно-технічних працівників різних галузей економіки, професійна діяльність яких пов’язана з розробленням, удосконаленням, виробництвом, експлуатацією та обслуговуванням різних видів транспорту. Знання та уміння, отримані внаслідок опанування представленим матеріалом, можуть бути використані п...

The noise produced by road transport by the World Health Organization contributes basically to the environment noise pollution. The environmental noise impact by the DIRECTIVE 2002/49/EC is described using the one year average noise descriptors Lden, Lnight which usually is presented via the appropriate noise maps. However, there are cases when tog...

The effects of aircraft engine emissions within the planetary boundary layer under the landing/take-off operations contribute sufficiently to deterioration of air pollution in the vicinity of the airport and nearby residential areas.The aircraft emission inventory is usually calculated on the basis of certificated engine emission indices, which are...

Even with all the benefits an airports brings, it may produce significant impacts on those living nearby and on the environment. Lately, interest in this problem has intensified in connection with increasing air traffic (at a mean annual rate of 5-7%) and a growing public awareness of local air quality around the airports. An aircraft is an importa...

By the World Health Organization (WHO) data reported in Burden of disease from environmental noise “one in three individuals is annoyed during the daytime and one in five has disturbed sleep at night because of traffic noise”. By these data the odds of incidence of disease rise to about 10% when LAeq, day noise level increase from 55–60dB to 65–70d...

Purpose : The effects of aircraft engine emissions within the planetary boundary layer under the landing/ take-off operations contribute sufficiently to deterioration of air pollution in the vicinity of the airports and nearby residential areas. Currently the primary object of airport air quality are the nitrogen oxides and particle matter (PM 10 ,...

This paper describes the results of processing and statistical analysis of accident data involving different types of Ukrainian-registered aircraft and including data from the CIS. The proportions of aircraft accidents both in Civil aviation of Ukraine and in Civil aviation of the Participants Agreement for different phases of flight have determine...

The moving target detection and tracking method for passive radars is investigated. The original algorithm, which is based on the wideband ambiguity function calculation, is suggested. The effectiveness of the suggested algorithm is proved by experimental measurements.

Many studies emphasize high concentrations of toxic compounds due to airport-related emissions and their significant impact on the environment, and directly on the population living near airports. Today, special attention is being paid to nitrogen oxides (NOx) and particulate matter (PM) emissions from aircraft engines because of their contribution...

Noise pollution around airports continues to be the most significant cause of adverse community reaction towards airports. Fifteen years ago, aircraft noise assessment and management was focused on so called “close in” areas around airports; those that were exposed to the highest levels of aircraft noise, typically exceeding 55 dB(A)LDN. Today, com...

Purpose: Airport air pollution is growing concern because of the air traffic expansion over the years (at annual rate of 5 %), rising tension of airports and growing cities expansion close each other (for such Ukrainian airports, as Zhulyany, Boryspol, Lviv, Odesa and Zaporizhzhia) and accordingly growing public concern with air quality around the...

The noise metric recognized as universal to describe aircraft flight noise events and community noise pollution as a whole has not been yielded yet. Among a set of factors that impacts aircraft noise perception is a number of flights - number of aircraft noise events. This article deals with the number of flights' influence on applicability of the...

In the paper the synthesis and comparison of the available information on GIS monitoring of environmental factors in the vicinity of the airports presented. Object of study - the process of monitoring of environmental factors around the airport. Purpose - to identify, compare and study the prospects for monitoring of the environmental impact factor...

Розв’язано завдання щодо удосконалення моделі забруднення атмосферного повітря внаслідок експлуатації повітряних суден у зоні аеропорту (комплексна модель PolEmiCa) на основі розробленої моделі струменя газів від авіадвигуна поблизу поверхні аеродрому. Представлено результати перевірки достовірності вдосконаленої комплексної моделі PolEmiCa на базі...

Considered the European methodologies and practices concerning management and criteria of transport safety as source of strong impact on the environment. The purpose of this review is to identify best practice in risk assessment and target setting in transport safety and the scope for their wider application and further useful development, and to m...

In this paper the algorithm of signal detection by means passive acoustics and digital data processing is proposed. This algorithm is original and contains the processing of signals, which are received from several acoustical aerials. For signal detection the calculation of wide-band ambiguity function together with its projection on time axis are...

In this paper the algorithm of signal detection for passive acoustic radar is proposed. This algorithm is based on processing of multiple input signals, which are received from several acoustic aerials with some number of microphones in each of them. For the signal processing the original algorithm of calculation of wide-band ambiguity function tog...

This presentation is focused on the problem of noise reduction in the aircraft cabins including cockpits. The noise has an adverse effect on the crew first of all, since it is disturbing, tiring, and interferes with transfer and recognition of information. Together with other adverse factors it can result in human errors and hence influence on flig...

Constantly growing number of used tyres because of intensive development of transport links and increase of economic importance of transportation in the world, requires new principles of treatment of used tyres. Today, the most common practice of recovery of waste tyres in the world is their storage in landfills, which, means only temporary solutio...

Environmental noise management directive 2002/49/EC bring obligation to express noise limit values at least in terms of two different indicators: L DEN and L night. Additionally member states may use supplementary noise indicators. Between existing noise indicators in national legislation L Amax is widely applicable. Looking to develop single-numbe...

Aircraft noise has adverse impacts on passengers, airport staff and people living near airports, it thus limits the capacity of regional and international airports throughout the world. Reducing perceived noise of aircraft involves reduction of noise at source, along the propagation path and at the receiver. Effective noise control demands highly s...

Disparities in the production structure, moral and physical obsolescence and depreciation offixed assets in economics, low-effective use fuel and energy resources (FER) and water demands excessiveuse of energy, requiring substantial imports of energy resources (over 50% of needs). The resultingdependence of the basic branches of economy of Ukraine,...

New developments for aircraft noise zoning around the airports currently are under design in new states, including new EU member states. In these countries previous experience still exist and valid, particularly for sanitary-hygienic norms of the aircraft noise. But at the same moment the ICAO recommendations are used for these purposes also, so as...

Розглянуто екологічні аспекти розвитку індустріальної вітроенергетики в Україні на прикладі проекту конкретного об’єкта. Запропоновано підходи до оцінки впливу вітроенергетики на навколишнє середовище. Наведено перспективи розвитку вітроенергетики.

There were conducted the analysis of measures on greenhouse gases emissions reduction according to various Ukrainian economic development scenarios, assessment of greenhouse gases emissions reduction potential until 2020 and proposed approaches for the development of mitigation to climate change

Описано різні моделі для прогнозу авіаційного шуму навколо аеропортів. Поліпшені акустичні моделі літаків створено за допомогою складання моделей для окремих джерел шуму, особливих для кожного з типів літаків. Їх точність і достовірність оцінено порівнянням з вимірюваннями, виконаними під час випробувальних польотів.

Політика сумісності, що включає критерії нормування і карти, є центральним елементом кожного плану сумісності аеропорту. Розглянуто базові та загальні особливості, що використовуються під час приготування плану сумісності аеропорту в частині використання земель і формулюванні концепцій, які їх зумовлюють.

Розглянуто основні відмінності між українським методом розрахунку авіаційного шуму і поточним методом, що рекомендується Європейською конференцією цивільної авіації. Показано вплив експлуатаційних факторів на випромінювання і розповсюдження шуму.

The method and appropriate algorithms are to be designed for short-term and long-term forecasting of aircraft noise impact for operational aircraft fleet at national or regional scales or for separate company/airport. The assessment of influence of aircraft fleet structure is prepared first of all. The method may propose the optimal distribution of...

Sound wave propagation, radiation and transmission through plate are analysed using integral formulation of the solution. Investigation is based on Fourier transformation method for sound multipole models and on equation of transverse displacement of plate which is driven by harmonic acoustic wave. Sound wave propagation is focused over impedance s...

Averaged data for sound levels due to aircraft engine testing out to a distance of 3 km obtained under low wind speed conditions are presented. Predictions of standard analytical approximations are compared with these averaged data. The measured average sound levels are shown to be consistent with the predicted influence of ground effect including...

The models for assessment of noise effects produced by engine installation features - shielding, reflection and refraction of the sound waves by airframe and air flows, have been defined. Their numerical investigation results are analyzed for some simple geometrical schemes that are defined by possible in aircraft design configurations. For noise c...

The concept of an airport capacity is formulated as a maximum number of aircraft than can be operated in the airport under consideration not exceeding a prescribed limitation for total aircraft noise impact. Quantification of noise limit depends on the regional, national and international legislation. Muximum number of aircraft may be defined as a...