Numerical Analysis of Unsteady Heat Transfer in the Chamber in the Piston Hybrid Compressor with Regenerative Heat Exchange
The adjoint thermodynamic and heat exchange processes in the new class piston compressor with regenerative heat exchange are considered in the paper. The implicit tridiagonal matrix algorithm is implemented to study the unsteady thermal conductivity in the cylinder–piston group. After the formulatio...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-03-01
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| Series: | Machines |
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| Online Access: | https://www.mdpi.com/2075-1702/11/3/363 |
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| author | Victor Shcherba Anatoliy Khait Evgeniy Nosov Evgeniy Pavlyuchenko |
| author_facet | Victor Shcherba Anatoliy Khait Evgeniy Nosov Evgeniy Pavlyuchenko |
| author_sort | Victor Shcherba |
| collection | DOAJ |
| description | The adjoint thermodynamic and heat exchange processes in the new class piston compressor with regenerative heat exchange are considered in the paper. The implicit tridiagonal matrix algorithm is implemented to study the unsteady thermal conductivity in the cylinder–piston group. After the formulation of proper initial and boundary conditions, the optimal relationship between temporal and spatial discretization steps is determined. Two different time steps are used in the numerical solution of the two-way coupled fast thermodynamic and slow heat exchange models. The relationship between those time steps is determined as well. The conducted numerical experiments allow the analysis of the dynamics of heat exchange in the cylinder–piston group, temperature variation in different parts of the cylinder–piston group, the impact of the heat transfer processes on isothermal and adiabatic efficiency, the impact of heat exchange dynamics on the thermodynamic cycle, as well as other thermodynamic and energetic effects. |
| first_indexed | 2024-03-11T06:16:10Z |
| format | Article |
| id | doaj.art-5361b167b754402c91ca41da893745ff |
| institution | Directory Open Access Journal |
| issn | 2075-1702 |
| language | English |
| last_indexed | 2024-03-11T06:16:10Z |
| publishDate | 2023-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Machines |
| spelling | doaj.art-5361b167b754402c91ca41da893745ff2023-11-17T12:15:28ZengMDPI AGMachines2075-17022023-03-0111336310.3390/machines11030363Numerical Analysis of Unsteady Heat Transfer in the Chamber in the Piston Hybrid Compressor with Regenerative Heat ExchangeVictor Shcherba0Anatoliy Khait1Evgeniy Nosov2Evgeniy Pavlyuchenko3Hydromechanics and Machines Department, Omsk State Technical University, 11 Mira av., Omsk 644050, RussiaDepartment of Mechanical Engineering & Mechatronics, Faculty of Engineering, Ariel University, Ariel 40700, IsraelHydromechanics and Machines Department, Omsk State Technical University, 11 Mira av., Omsk 644050, RussiaHydromechanics and Machines Department, Omsk State Technical University, 11 Mira av., Omsk 644050, RussiaThe adjoint thermodynamic and heat exchange processes in the new class piston compressor with regenerative heat exchange are considered in the paper. The implicit tridiagonal matrix algorithm is implemented to study the unsteady thermal conductivity in the cylinder–piston group. After the formulation of proper initial and boundary conditions, the optimal relationship between temporal and spatial discretization steps is determined. Two different time steps are used in the numerical solution of the two-way coupled fast thermodynamic and slow heat exchange models. The relationship between those time steps is determined as well. The conducted numerical experiments allow the analysis of the dynamics of heat exchange in the cylinder–piston group, temperature variation in different parts of the cylinder–piston group, the impact of the heat transfer processes on isothermal and adiabatic efficiency, the impact of heat exchange dynamics on the thermodynamic cycle, as well as other thermodynamic and energetic effects.https://www.mdpi.com/2075-1702/11/3/363piston hybrid compressorregenerative heat transferunsteady heatingadjoint thermodynamic cycle and heat exchange |
| spellingShingle | Victor Shcherba Anatoliy Khait Evgeniy Nosov Evgeniy Pavlyuchenko Numerical Analysis of Unsteady Heat Transfer in the Chamber in the Piston Hybrid Compressor with Regenerative Heat Exchange Machines piston hybrid compressor regenerative heat transfer unsteady heating adjoint thermodynamic cycle and heat exchange |
| title | Numerical Analysis of Unsteady Heat Transfer in the Chamber in the Piston Hybrid Compressor with Regenerative Heat Exchange |
| title_full | Numerical Analysis of Unsteady Heat Transfer in the Chamber in the Piston Hybrid Compressor with Regenerative Heat Exchange |
| title_fullStr | Numerical Analysis of Unsteady Heat Transfer in the Chamber in the Piston Hybrid Compressor with Regenerative Heat Exchange |
| title_full_unstemmed | Numerical Analysis of Unsteady Heat Transfer in the Chamber in the Piston Hybrid Compressor with Regenerative Heat Exchange |
| title_short | Numerical Analysis of Unsteady Heat Transfer in the Chamber in the Piston Hybrid Compressor with Regenerative Heat Exchange |
| title_sort | numerical analysis of unsteady heat transfer in the chamber in the piston hybrid compressor with regenerative heat exchange |
| topic | piston hybrid compressor regenerative heat transfer unsteady heating adjoint thermodynamic cycle and heat exchange |
| url | https://www.mdpi.com/2075-1702/11/3/363 |
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