DEVELOPMENT OF THE TURBOCOMPRESSOR UNIT FLOW PART FOR A BIOFUEL POWER GENERATION PLANT
The results of the study on the development of the turbocom-pressor unit flow part for a biofuel power generating plant are presented in the paper. The relevance of this paper is linked to the global trend of transition to renewable energy and reduction of carbon emissions. Types of "green&...
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| Date: | 2025 |
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| Main Authors: | , , , , , , |
| Format: | Article |
| Language: | English |
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Institute of Renewable Energy National Academy of Sciences of Ukraine
2025
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Vidnovluvana energetika| _version_ | 1871103890282250240 |
|---|---|
| author | Rusanov , R. Rusanov , A. Dehtiarov , K. Kriutchenko , D. Bureha , N. Zahorodnii , R. Chuhai , M. |
| author_facet | Rusanov , R. Rusanov , A. Dehtiarov , K. Kriutchenko , D. Bureha , N. Zahorodnii , R. Chuhai , M. |
| author_institution_txt_mv | [
{
"author": "R. Rusanov ",
"institution": "A. Pidhornyi Institute of Power Machines and Systems NAS of Ukraine, Kharkiv, Ukraine"
},
{
"author": "A. Rusanov ",
"institution": "A. Pidhornyi Institute of Power Machines and Systems NAS of Ukraine, Kharkiv, Ukraine"
},
{
"author": "K. Dehtiarov ",
"institution": "A. Pidhornyi Institute of Power Machines and Systems NAS of Ukraine, Kharkiv, Ukraine"
},
{
"author": "D. Kriutchenko ",
"institution": "A. Pidhornyi Institute of Power Machines and Systems NAS of Ukraine, Kharkiv, Ukraine; Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine"
},
{
"author": "N. Bureha ",
"institution": "A. Pidhornyi Institute of Power Machines and Systems NAS of Ukraine, Kharkiv, Ukraine; Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine"
},
{
"author": "R. Zahorodnii ",
"institution": "A. Pidhornyi Institute of Power Machines and Systems NAS of Ukraine, Kharkiv, Ukraine"
},
{
"author": "M. Chuhai ",
"institution": "A. Pidhornyi Institute of Power Machines and Systems NAS of Ukraine, Kharkiv, Ukraine"
}
] |
| author_sort | Rusanov , R. |
| baseUrl_str | https://ve.org.ua/index.php/journal/oai |
| collection | OJS |
| datestamp_date | 2026-07-18T06:32:21Z |
| description | The results of the study on the development of the turbocom-pressor unit flow part for a biofuel power generating plant are presented in the paper. The relevance of this paper is linked to the global trend of transition to renewable energy and reduction of carbon emissions. Types of "green" energy sources are considered, such as the use of biofuels, which is a promising source of energy. To make the energy production process cheaper, special attention is paid to the use of uncer-tified biofuels, such as agricultural waste, with a one-year re-covery cycle. It is proposed to create a power generating plant based on a grain-drying enterprise. This plant is operat-ing on the Brayton thermodynamic cycle with energy recov-ery. For this purpose, a jet-vortex heat generator, which is already operating at one of the grain drying enterprises and has a high level of efficiency, was chosen as the basis.The object of research is the turbine and compressor, the key components of a biofuel power generation plant. Using the analytical profiling methods developed by the authors, options for the flow part of the compressor of an axial-radial (centrifugal) type and the turbine of a radial-axial type were developed. CFD calculations of three-dimensional viscous flows in the flow parts of turbine and compressor were carried out using the IPMFlow soft-ware package. The compressor has achieved an efficiency of 82%, and the power is 338 kW. The turbine has achieved an efficiency of 92.8%, and the power is 438 kW, which allows to transfer 100 kW of power to the gen-erator.The study results demonstrate the high aerodynamic perfection of the designed flow parts, ensuring a satisfactory flow pattern. The developed options serve as a foundation for creating a biofuel-based power generating plant. The findings have practical value and contribute to the advancement of "green" energy in Ukraine. |
| doi_str_mv | 10.36296/1819-8058.2025.1(80).124-132 |
| first_indexed | 2025-07-17T11:39:54Z |
| format | Article |
| fulltext |
124
Відновлювана енергетика. №1/2025 | Біоенергетика
УДК 620.97 https://doi.org/10.36296/1819-8058.2025.1(80)124-132
DEVELOPMENT OF THE TURBOCOMPRESSOR UNIT FLOW PART FOR A BIOFUEL POWER
GENERATION PLANT
Received Feb. 06, 2025; accepted Mar. 14, 2025
Available online Apr. 01, 2025
Rusanov R.1, Rusanov A.2, Dehtiarov K.3,
Kriutchenko D.4, Bureha N.5, Zahorodnii R.6,
Chuhai M.7
Author for correspondence: Rusanov Roman,
e-mail: roman_rusanov@ipmach.kharkov.ua
The results of the study on the development of the turbocom-
pressor unit flow part for a biofuel power generating plant
are presented in the paper. The relevance of this paper is
linked to the global trend of transition to renewable energy
and reduction of carbon emissions. Types of "green" energy
sources are considered, such as the use of biofuels, which is a
promising source of energy. To make the energy production
process cheaper, special attention is paid to the use of uncer-
tified biofuels, such as agricultural waste, with a one-year re-
covery cycle. It is proposed to create a power generating
plant based on a grain-drying enterprise. This plant is operat-
ing on the Brayton thermodynamic cycle with energy recov-
ery. For this purpose, a jet-vortex heat generator, which is already operating at one of the grain drying enterprises
and has a high level of efficiency, was chosen as the basis.
The object of research is the turbine and compressor, the key components of a biofuel power generation plant.
Using the analytical profiling methods developed by the authors, options for the flow part of the compressor of an
axial-radial (centrifugal) type and the turbine of a radial-axial type were developed. CFD calculations of three-
dimensional viscous flows in the flow parts of turbine and compressor were carried out using the IPMFlow soft-
ware package. The compressor has achieved an efficiency of 82%, and the power is 338 kW. The turbine has
achieved an efficiency of 92.8%, and the power is 438 kW, which allows to transfer 100 kW of power to the gen-
erator.
The study results demonstrate the high aerodynamic perfection of the designed flow parts, ensuring a satisfactory
flow pattern. The developed options serve as a foundation for creating a biofuel-based power generating plant.
The findings have practical value and contribute to the advancement of "green" energy in Ukraine.
Keywords: biofuel, Brayton cycle, compressor, turbine, power plant, heat generator, agricultural waste.
РОЗРОБКА ПРОТОЧНОЇ ЧАСТИНИ ТУРБОКОМПРЕСОРНОГО АГРЕГАТА ДЛЯ БІОПАЛИВНОЇ
ЕЛЕКТРОГЕНЕРУВАЛЬНОЇ УСТАНОВКИ
Отримано 06 лют. 2025 р.; рекомендовано до публікації 14 бер. 2025 р.
Доступно онлайн 01 квіт. 2025 р.
Русанов Р. А.1, Русанов А. В.2, Дегтярьов К. Г.3,
Крютченко Д. В.4, Бурега Н. В.5, Загородній Р. І.6,
Чугай М. О. 7
Автор для кореспонденції: Русанов Роман,
e-mail: roman_rusanov@ipmach.kharkov.ua
1 PhD, Senior Researcher
https://orcid.org/0000-0003-2930-2574
2 Dr. of Eng. Sciences, Professor, Academician of
NAS of Ukraine
https://orcid.org/0000-0002-9957-8974
3 Cand. of Tech. Sciences (PhD)
https://orcid.org/0000-0002-4486-2468
4 PhD
https://orcid.org/0000-0002-6804-6991
5 Cand.of Tech.Sciences (PhD)
https://orcid.org/0000-0002-7541-633X
6 Cand.of Tech.Sciences (PhD), Assoc. Prof.
https://orcid.org/0000-0002-5327-6938
7 Cand.of Tech.Sciences (PhD), Senior Researcher
https://orcid.org/0000-0002-0696-4527
1, 2, 3, 4, 5, 6, 7 A. Pidhornyi Institute of Power Machines
and Systems NAS of Ukraine, Kharkiv, Ukraine
4, 5 Ternopil Volodymyr Hnatiuk National
Pedagogical University, Ternopil, Ukraine
1 д-р філософії, старший дослідник
https://orcid.org/0000-0003-2930-2574
2 д-р. техн. наук, професор, академік НАН України
https://orcid.org/0000-0002-9957-8974
3 канд. техн. наук
https://orcid.org/0000-0002-4486-2468
4 д-р філософії
https://orcid.org/0000-0002-6804-6991
5 канд. техн. наук
https://orcid.org/0000-0002-7541-633X
6 канд. техн. наук, доцент
125
Відновлювана енергетика. №1/2025 | Біоенергетика
У статті представлено результати дослідження
проточної частини турбокомпресорного агрегату,
розробленої для біопаливної електрогенерувальної
установки. Актуальність роботи зумовлена глоба-
льною тенденцією, а саме переходом до відновлюва-
ної енергетики, що дасть змогу зменшити викиди
вуглецю. Особливу увагу приділено використанню
несертифікованого біопалива – сільськогосподарсь-
ких відходів з однорічним циклом відновлення як виду
«зеленої» енергетики. Доведено, що вказане біопа-
ливо є перспективним джерелом енергії, оскільки до-
зволить здешевити процес виробництва енергії. За-
пропоновано створення електрогенерувальної
установки на базі зерносушильного підприємства,
що працює за термодинамічним циклом Брайтона з рекуперацією енергії. Для цього за основу вибрано
струменево-вихровий тепловий генератор, який вже працює на одному із зерносушильних підприємств
і має високий рівень ККД.
Об’єктом дослідження є турбіна і компресор як основні складові біопаливної електрогенерувальної ус-
тановки. З використанням авторських методів аналітичного профілювання розроблено варіанти про-
точної частини компресора осерадіального (відцентрового) типу і турбіни радіально-осьового типу.
Газодинамічні розрахунки тривимірних в’язких течій у проточних частинах турбін і компресорів прово-
дилися за допомогою програмного комплексу IPMFlow. Для компресора досягнуто ККД на рівні 82 %, а
потужність становить 338 кВт; для турбіни ККД отримано на рівні 92,8 %, а потужність – 438 кВт,
що дає змогу передати на генератор потужність 100 кВт.
Результати дослідження показали високий рівень аеродинамічної досконалості розроблених проточних
частин, що забезпечують задовільний характер обтікання. Отримані варіанти можна вважати базо-
вими для створення біопаливної електрогенерувальної установки. Робота має практичну цінність і
сприяє розвитку «зеленої» енергетики в Україні.
Ключові слова: біопаливо, цикл Брайтона, компресор, турбіна, електрогенерувальна установка, теп-
ловий генератор, сільськогосподарські відходи.
Introduction
Nowadays, the global trend of transitioning to renewable,
so-called "green", energy and reducing carbon emissions in
the energy sector is extremely important. Renewable en-
ergy is derived from natural and self-replenishing sources
such as hydropower, wind and solar power, biofuels, and
geothermal energy. Also, on July 6, 2022, the European
Commission adopted the Additional Climate Delegated Act
to the EU Taxonomy No. 2022/1214 of March 9, 2022 [1],
which classified nuclear energy as “green”.
Electricity generation from wind and sun, which have sig-
nificant potential, especially in Ukraine, is a promising area
of development. But these types of energy are quite unsta-
ble, i.e. dependent on weather conditions, season, and
time of day [2]. To ensure their functioning and stability of
the integrated energy system, additional maneuvering and
reserve capacities or highly efficient energy storage sys-
tems are needed [3].
Geothermal energy is energy derived from the Earth's nat-
ural heat from its deep layers [4]. Until recently, geother-
mal power plants were built in places where high-temper-
ature geothermal resources were available near the
surface. The development of modern energy-generating
equipment and the improvement of drilling technologies
have significantly expanded the geography of the use of
such energy resources. Ukraine, particularly its western and
southern regions, possesses significant resources of geo-
thermal energy deposits suitable for industrial develop-
ment [5]. The annual technical potential of geothermal en-
ergy, as of 2014, was estimated to be equivalent to 12
million tons of conventional fuel [6].
Hydropower is a traditional and stable energy source [7],
providing about 20% of global electricity generation [8]. As
of now, hydropower is largely developed, so the potential
for its expansion, including through small rivers, is signifi-
cantly limited. Further development of hydropower re-
quires reconstruction and technical improvement of hydro-
power plants [9], i.e. replacement of physically obsolete
equipment.
Among all types of "green" energy, nuclear energy, is one
of the most promising [10]. The world's largest manufactur-
ers are intensively conducting research to increase the effi-
ciency of existing equipment [11], and development of
new, more advanced technologies [12, 13], including in-
creasing the efficiency of one of the main components – the
turbine [14, 15, 16]. Another promising area of nuclear
4 д-р філософії
https://orcid.org/0000-0002-6804-6991
5 канд. техн. наук
https://orcid.org/0000-0002-7541-633X
6 канд. техн. наук, доцент
https://orcid.org/0000-0002-5327-6938
7 канд. техн. наук, старш. наук. співроб.
https://orcid.org/0000-0002-0696-4527
1, 2, 3, 4, 5, 6, 7 Інститут енергетичних машин і систем
ім. А. М. Підгорного НАН України, м. Харків,
Україна
4, 5 Тернопільський національний педагогічний
університет ім. В. Гнатюка, м. Тернопіль, Україна
126
Відновлювана енергетика. №1/2025 | Біоенергетика
energy development is the use of small modular reactor
technologies [17], and the focus on the transition to ther-
monuclear fusion.
Biofuels represent another important source of “green” en-
ergy [18]. This type of fuel can also be conditionally divided
into two subcategories: certified and uncertified. Certified
biofuels, such as biomethane [19], liquid fuels [20], and oth-
ers, are of high quality, but their production requires the
implementation of expensive processing technologies. Un-
certified biofuels are usually relatively low-quality and low-
calorie. These are fuels such as agricultural waste (straw,
chaff, corn cobs, etc.). To use uncertified biofuels, i.e. to re-
duce the cost of the process of its use, the use of heat gen-
erators has been intensively developing [21, 22].
These days, the use of heat generators that use uncertified
biofuels for heating, drying grain crops in elevators [21]
(Fig. 1), or other technological processes that require ther-
mal energy has become very popular. In the countries of
the European Union, even at the state level [23], research
on the conversion of such thermal energy into electricity is
being conducted. In most cases, these projects are aimed
at using the thermodynamic Rankine cycle (ORC) with low-
boiling working fluids [24]. Such studies have been con-
ducted by Marani [25], Turboden [26], and others [27]. The
main disadvantage of ORC plants is the high cost of heating
equipment and operating costs, i.e., the relatively high cost
per unit of installed capacity.
Fig. 1. Structural and schematic diagram of the grain drying production functioning
Another way to convert thermal energy obtained by bio-
mass burning is to create a power generating plant operat-
ing according to the Brayton thermodynamic cycle [28] us-
ing a gas turbine engine. One of the main advantages of the
Brayton cycle is the possibility of its use in high-tempera-
ture environments [29], which allows to achieve high effi-
ciencies. Such units have a relatively simple design with
fewer moving parts compared to other heat engines [30].
Unlike steam turbine power plants, gas turbine plants do
not require large amounts of water for cooling, which is im-
portant in areas with limited water resources. The creation
of a power generating plant based on a grain drying enter-
prise (block 1, Fig. 1) is proposed in this paper.
1. Research object
The basis for creating a biofuel power generating plant was
a jet-vortex heat generator, developed by employees of the
Volodymyr Hnatiuk Ternopil National Pedagogical Univer-
sity (V. Hnatiuk TNPU) and designed for burning uncertified
fuel [21]. The view of this heat generator is shown in Fig. 2.
This heat generator is already used at one of the grain dry-
ing complexes in the Ternopil region.
Fig. 2. A prototype of a 2,500 kW heat generator-utilizer
with the principle of vortex combustion of uncertified fuel
127
Відновлювана енергетика. №1/2025 | Біоенергетика
Fig. 3 shows a thermal scheme of a power plant with energy
recovery [31]. The plant consists of the following main ele-
ments: compressor (C), turbine (T), heat exchanger, heat
generator (HG) and electric generator (G). The compressor
and turbine are usually located on the same shaft (turbocom-
pressor), and the electric generator can be connected to the
turbocompressor shaft either directly or through a gearbox.
Fig. 3. Thermal scheme of a power plant with energy re-
covery:
C – compressor, T – turbine, G – electric generator, HG –
heat generator
According to the thermal diagram shown in Fig. 2, the princi-
ple of the plant operation is as follows. Air is sucked in by the
compressor from the atmosphere, compressed in it and then
supplied to the inside of the heat exchanger. At this step, the
mechanical energy supplied to the compressor is transferred
to the air. The real compression process occurs with an in-
crease in entropy, while the gas-dynamic efficiency of the
compressor is evaluated relative to the "ideal" (isentropic)
process. Next, the air enters the inner part of the heat ex-
changer, and due to the heat supplied from the heat gener-
ator, the air is heated and fed to the turbine inlet. In the heat
exchanger, the air loses its pressure due to aerodynamic re-
sistance [32]. As the air passes through the turbine, it ex-
pands, and its energy is converted into mechanical energy
transmitted to the turbine shaft. Mechanical energy from the
turbine is used to rotate the rotors of the compressor and
the electric generator [33]. After the turbine, the air (fully or
partially) is directed into the heat generator, where it is used
as an oxidizer in the fuel combustion process. Then, due to
the fact that the air behind the turbine always has greater
internal energy compared to the ambient air, this energy is
returned to the cycle, i.e. less fuel is needed to heat the
working fluid in the heat generator.
2. Initial data for the spatial form development and gas-
dynamic characteristics calculation
One of the components of the proposed power generation
plant, namely the turbine and compressor, is considered in
this paper. Thermodynamic cycle calculations allowed the
authors to determine the main thermodynamic character-
istics for the design of the flow parts of the turbine and
compressor. Working media: air Cp = 1005,55 J/(kg*K).
The design of an air turbine must take into account the op-
erating conditions, such as pressure at the inlet of
210,000 Pa, temperature at the inlet of 500 С, and pressure
at the outlet of 100,000 Pa. Air has a mass flow rate of 3.5
kg/s and is supplied tangentially to the turbine. The power
is 450 kW.
The design of an air compressor must take into account the
operating conditions, such as pressure at the inlet of
100,000 Pa, temperature at the inlet of 20 С, and pressure
at the outlet of 250000 Pa. Air has a mass flow rate of 3.5
kg/s. The power is 350 kW.
The estimated compressor and turbine rotor speed is
16,000 rpm.
3. Mathematical model
The design of the flow parts of the radial-axial turbine and
axial-radial compressor is carried out according to the algo-
rithm implemented in the IPMFlow software package using
methods and models of various levels of complexity, from
one-dimensional methods for selecting the main character-
istics of a turbine or compressor stage [34], methods for an-
alytical profiling of radial, radial-axial and axial-radial
stages, to methods for calculating three-dimensional vis-
cous flows in the flow parts of turbines and compressors
[34]. The properties of the working fluid throughout the en-
tire path of the power plant correspond to the equation of
state of an ideal gas for air (γ = 1,4; R = 287,3 J/(kg*К))
4. Compressor flow part
At the first step, gas-dynamic design of the flow part of the
air centrifugal compressor was performed using the IP-
MFlow software package. [34].
Description of the spatial shape of the flow part
The view of the compressor flow part is shown on Fig. 4.
Main geometric dimensions of the flow part (as on Fig. 4, b):
• D0 = 400 mm;
• Dhub = 80 mm;
• Bx = 90 mm;
• Δlgap = 0,5 mm;
• l2 = 60 mm (channel height at the inlet to the rotor to-
gether with Δlgap);
• l1 = 20 mm (channel height at the outlet from the rotor
together with Δlgap).
The number of the rotor blades is 10. The rotor blade is de-
fined by 11 sections. The first section is located on the hub
contour, and the last one – on the peripheral contour.
To reduce losses with output velocity, the rotor has a large
(relative) outlet area, i.e. a relatively large blade height at
the outlet. A large relative blade height usually creates flow
separation at the periphery, negatively affecting the com-
pressor efficiency. To reduce this negative impact, the rotor
is designed with saber-shaped blades at the outlet.
The calculations were conducted on a mesh with over 1.2
million elements. The ideal gas equation of state was used
128
Відновлювана енергетика. №1/2025 | Біоенергетика
[34], the constants for which were determined based on
the inlet parameters and the isentropic process at the out-
let for the compressor operating range. Figures 5, 6 show
the visualization of the flow in the flow part.
a) b) c)
Fig. 4. Compressor flow part:
a) rotor blade profiles; b) meridional section; c)isometry
Results of gas-dynamic calculations
Fig. 5.Velocity vectors
Analysis of results
It can be seen from the results obtained that the designed
flow part has a high level of aerodynamic perfection and
provides a satisfactory flow picture. The efficiency value
was achieved at the level of 82%, and the power amounted
to 338 kW.
5. Turbine flow part
Description of the spatial shape of the flow part
An option of the flow part with the rotor having thin blades,
as well as a special spatial shape of the blades, has been
developed. The sections of these blades are arranged so
that in a plane perpendicular to the rotor axis of rotation,
the blade centerline coincides with the radial line. A view of
the turbine flow part is shown in Fig. 7.
129
Відновлювана енергетика. №1/2025 | Біоенергетика
Fig. 6. Pressure contours
a) b) c)
Fig. 7. Turbine flow part
a) stator blade profiles; b) meridional section; c) isometry
Main geometric dimensions of the flow part (as on Fig. 7, b):
• D0 = 664 mm;
• D1 = 462 mm;
• ΔR1 = 10 mm;
• Dhub = 90 mm;
• Bx = 90 mm;
• Δlgap = 0,5 mm;
• D0s = 442 mm (diameter of the stator profile connec-
tion to the contours);
• l1 = 17,8 mm (channel height at the inlet to the rotor
together with Δlgap);
• l2 = 125 mm (channel height at the outlet from the rotor
together with Δlgap).
The number of stator blades is 14, and the number of rotor
blades is 15. The rotor blade is given by 11 sections. The
first section is on the hub contour, and the last one is on
the peripheral contour. Fig. 7, a shows the point the radial
line passes (parallel to the X axis). This point is marked as
O, its coordinates relative to the profile are Xo = 0.0 mm;
130
Відновлювана енергетика. №1/2025 | Біоенергетика
Yo = 0.0 mm. Regarding point O, the stator is attached to
the contours (D0s).
Results of gas-dynamic calculations
The calculations were performed on a mesh with a total
number of cells of over 1 million. The equation of state of
an ideal gas [47] is used. Figures 8, 9 show the visualization
of the flow in the flow part.
Fig. 8. Velocity vectors
Fig. 9. Pressure contours
Conclusions
The given results show that the designed flow parts have a
high level of aerodynamic perfection and ensure a stable
flow pattern. Achieved efficiency values are 92.8% for the
turbine and 82% for the compressor. These flow configura-
tions can serve as a foundation for developing a biofuel
power generation plant. The turbine generates 438 kW of
power, which, after accounting for mechanical losses in the
compressor (338 kW), enables the transfer of 100 kW to the
generator.
Gratitude
The study was performed with the support of grants from
the National Academy of Sciences of Ukraine to research
131
Відновлювана енергетика. №1/2025 | Біоенергетика
laboratories/groups of young scientists of the National
Academy of Sciences of Ukraine for conducting research in
priority areas of science and technology development for
2024-2025. "High-efficiency power generation plant based
on the use of uncertified biofuel from agricultural waste."
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|
| id | veorgua-article-516 |
| institution | Vidnovluvana energetika |
| keywords_txt_mv | keywords |
| language | English |
| last_indexed | 2026-07-19T01:15:23Z |
| publishDate | 2025 |
| publisher | Institute of Renewable Energy National Academy of Sciences of Ukraine |
| record_format | ojs |
| resource_txt_mv | veorgua/41/67296bff3c051f0fcc4eec5e68dc4f41.pdf |
| spelling | veorgua-article-5162026-07-18T06:32:21Z DEVELOPMENT OF THE TURBOCOMPRESSOR UNIT FLOW PART FOR A BIOFUEL POWER GENERATION PLANT РОЗРОБКА ПРОТОЧНОЇ ЧАСТИНИ ТУРБОКОМПРЕСОРНОГО АГРЕГАТА ДЛЯ БІОПАЛИВНОЇ ЕЛЕКТРОГЕНЕРУВАЛЬНОЇ УСТАНОВКИ Rusanov , R. Rusanov , A. Dehtiarov , K. Kriutchenko , D. Bureha , N. Zahorodnii , R. Chuhai , M. biofuel, Brayton cycle, compressor, turbine, power plant, heat generator, agricultural waste. біопаливо, цикл Брайтона, компресор, турбіна, електрогенерувальна установка, теп-ловий генератор, сільськогосподарські відходи. The results of the study on the development of the turbocom-pressor unit flow part for a biofuel power generating plant are presented in the paper. The relevance of this paper is linked to the global trend of transition to renewable energy and reduction of carbon emissions. Types of "green" energy sources are considered, such as the use of biofuels, which is a promising source of energy. To make the energy production process cheaper, special attention is paid to the use of uncer-tified biofuels, such as agricultural waste, with a one-year re-covery cycle. It is proposed to create a power generating plant based on a grain-drying enterprise. This plant is operat-ing on the Brayton thermodynamic cycle with energy recov-ery. For this purpose, a jet-vortex heat generator, which is already operating at one of the grain drying enterprises and has a high level of efficiency, was chosen as the basis.The object of research is the turbine and compressor, the key components of a biofuel power generation plant. Using the analytical profiling methods developed by the authors, options for the flow part of the compressor of an axial-radial (centrifugal) type and the turbine of a radial-axial type were developed. CFD calculations of three-dimensional viscous flows in the flow parts of turbine and compressor were carried out using the IPMFlow soft-ware package. The compressor has achieved an efficiency of 82%, and the power is 338 kW. The turbine has achieved an efficiency of 92.8%, and the power is 438 kW, which allows to transfer 100 kW of power to the gen-erator.The study results demonstrate the high aerodynamic perfection of the designed flow parts, ensuring a satisfactory flow pattern. The developed options serve as a foundation for creating a biofuel-based power generating plant. The findings have practical value and contribute to the advancement of "green" energy in Ukraine. У статті представлено результати дослідження проточної частини турбокомпресорного агрегату, розробленої для біопаливної електрогенерувальної установки. Актуальність роботи зумовлена глоба-льною тенденцією, а саме переходом до відновлюва-ної енергетики, що дасть змогу зменшити викиди вуглецю. Особливу увагу приділено використанню несертифікованого біопалива – сільськогосподарсь-ких відходів з однорічним циклом відновлення як виду «зеленої» енергетики. Доведено, що вказане біопа-ливо є перспективним джерелом енергії, оскільки до-зволить здешевити процес виробництва енергії. За-пропоновано створення електрогенерувальної установки на базі зерносушильного підприємства, що працює за термодинамічним циклом Брайтона з рекуперацією енергії. Для цього за основу вибрано струменево-вихровий тепловий генератор, який вже працює на одному із зерносушильних підприємств і має високий рівень ККД.Об’єктом дослідження є турбіна і компресор як основні складові біопаливної електрогенерувальної ус-тановки. З використанням авторських методів аналітичного профілювання розроблено варіанти про-точної частини компресора осерадіального (відцентрового) типу і турбіни радіально-осьового типу. Газодинамічні розрахунки тривимірних в’язких течій у проточних частинах турбін і компресорів прово-дилися за допомогою програмного комплексу IPMFlow. Для компресора досягнуто ККД на рівні 82 %, а потужність становить 338 кВт; для турбіни ККД отримано на рівні 92,8 %, а потужність – 438 кВт, що дає змогу передати на генератор потужність 100 кВт.Результати дослідження показали високий рівень аеродинамічної досконалості розроблених проточних частин, що забезпечують задовільний характер обтікання. Отримані варіанти можна вважати базо-вими для створення біопаливної електрогенерувальної установки. Робота має практичну цінність і сприяє розвитку «зеленої» енергетики в Україні. Institute of Renewable Energy National Academy of Sciences of Ukraine 2025-04-01 Article Article application/pdf https://ve.org.ua/index.php/journal/article/view/516 10.36296/1819-8058.2025.1(80).124-132 Vidnovluvana energetika ; No. 1(80) (2025): Scientific and applied Journal renewable energy ; 124-132 Возобновляемая энергетика; ##issue.no## 1(80) (2025): Scientific and applied Journal renewable energy ; 124-132 Відновлювана енергетика; № 1(80) (2025): Науково-прикладний журнал Відновлювана енергетика; 124-132 2664-8172 1819-8058 10.36296/1819-8058.2025.1(80) en https://ve.org.ua/index.php/journal/article/view/516/423 Copyright (c) 2025 R. Rusanov , A. Rusanov , K. Dehtiarov , D. Kriutchenko , N. Bureha , R. Zahorodnii , M. Chuhai https://creativecommons.org/licenses/by-nc-nd/4.0 |
| spellingShingle | biofuel Brayton cycle compressor turbine power plant heat generator agricultural waste. Rusanov , R. Rusanov , A. Dehtiarov , K. Kriutchenko , D. Bureha , N. Zahorodnii , R. Chuhai , M. DEVELOPMENT OF THE TURBOCOMPRESSOR UNIT FLOW PART FOR A BIOFUEL POWER GENERATION PLANT |
| title | DEVELOPMENT OF THE TURBOCOMPRESSOR UNIT FLOW PART FOR A BIOFUEL POWER GENERATION PLANT |
| title_alt | РОЗРОБКА ПРОТОЧНОЇ ЧАСТИНИ ТУРБОКОМПРЕСОРНОГО АГРЕГАТА ДЛЯ БІОПАЛИВНОЇ ЕЛЕКТРОГЕНЕРУВАЛЬНОЇ УСТАНОВКИ |
| title_full | DEVELOPMENT OF THE TURBOCOMPRESSOR UNIT FLOW PART FOR A BIOFUEL POWER GENERATION PLANT |
| title_fullStr | DEVELOPMENT OF THE TURBOCOMPRESSOR UNIT FLOW PART FOR A BIOFUEL POWER GENERATION PLANT |
| title_full_unstemmed | DEVELOPMENT OF THE TURBOCOMPRESSOR UNIT FLOW PART FOR A BIOFUEL POWER GENERATION PLANT |
| title_short | DEVELOPMENT OF THE TURBOCOMPRESSOR UNIT FLOW PART FOR A BIOFUEL POWER GENERATION PLANT |
| title_sort | development of the turbocompressor unit flow part for a biofuel power generation plant |
| topic | biofuel Brayton cycle compressor turbine power plant heat generator agricultural waste. |
| topic_facet | biofuel Brayton cycle compressor turbine power plant heat generator agricultural waste. біопаливо цикл Брайтона компресор турбіна електрогенерувальна установка теп-ловий генератор сільськогосподарські відходи. |
| url | https://ve.org.ua/index.php/journal/article/view/516 |
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