A review development of rhombic drive mechanism used in the Stirling engines

Erol, Derviş; Yaman, Hayri; Doğan, Battal

doi:10.1016/j.rser.2017.05.025

Cited by 49 publications

(40 citation statements)

References 28 publications

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“…If by one side the potentiality of the Stirling technology makes it a subject of interest, by another some of its current hurdles difficult its commercial implementation. Therefore, the SE remains as an object of research and development in both companies and universities in many countries, having as main enhancement goals efficiency increase, reduction of dead volume and decrease of manufacturing and maintenance costs (Erol et al, 2017). In this sense, some of the proposed solutions found by this research are briefly exposed next.…”

Section: Proposed Solutionsmentioning

confidence: 96%

“…Even with the presented hindrances, many companies have conducted extensive research focused in the Stirling technology. Among them it is possible to mention: General Motors Company (USA), DAF (Netherlands), United Stirling (U.S.A), MAN-MWM Group (Germany), Ford Motors Company (U.S.A.), Siemens (Germany), Cummins (U.S.A.), Perkins (U.K.), and NASA (U.S.A.) (Erol et al, 2017). The intended applications range from the more traditional cogeneration and solar thermal energy conversion to underwater propulsion and space exploration .…”

Section: Commercial Stirling Enginesmentioning

confidence: 99%

See 1 more Smart Citation

A Brief Review on the Advantages, Hindrances and Economic Feasibility of Stirling Engines as a Distributed Generation Source and Cogeneration Technology

Filho

Araújo

Maia

et al. 2018

RETERM

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The present paper aims to provide a brief review of the potentiality and economic feasibility of the Stirling engine as a distributed generation source and cogeneration technology. Another objective was the determination of hindrances which may be preventing the feasibility of the Stirling technology. With these intentions, a research based on a combination of preselected keywords was performed at the Metasearch of CAPES (Brazil's Higher Education Coordination of Personnel Perfecting). No filters in relation to the research period or to particular geographical regions were employed, thus publications until 2017’s middle were included and the research was conducted on a global level. Next, the selection of papers which contained some of the keywords was made, consisting initially of the read of the publications’ abstracts. The remaining ones were then further explored and had their relevant information incorporated, according to the scope of this work. It is worth mentioning that other accredited sources which dealt with important aspects of the topic were also included. Furthermore, a table containing some examples of products concerning the application of the Stirling engine as a distributed generation and cogeneration technology is presented. Ultimately, it is concluded that the Stirling technology, despite its advantages and suitability regarding the proposed applications, is not yet commercially feasible, having currently only a minor presence in the market. This scenario can be attributed to the need for further research and technical development as well as cost reduction.

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Section: Proposed Solutionsmentioning

confidence: 96%

Section: Commercial Stirling Enginesmentioning

confidence: 99%

A Brief Review on the Advantages, Hindrances and Economic Feasibility of Stirling Engines as a Distributed Generation Source and Cogeneration Technology

Filho

Araújo

Maia

et al. 2018

RETERM

View full text Add to dashboard Cite

show abstract

“…The different drive parameters; connecting rod length ( L ), crank radius ( r ) and eccentricity ( e ) can be conveniently related to describe the compression and expansion volume variations based on an arbitrarily defined phase angle advance. The complete terminology of rhombic drive mechanism was widely reviewed in Reference and the compression and expansion volume variations are only summarized in Table . For the crank‐driven engine, it is expected the drive parameters are dissimilar from rhombic drive mechanism.…”

Section: Volume Variations Of the Two Mechanismsmentioning

confidence: 99%

Thermodynamic analysis of rhombic‐driven and crank‐driven beta‐type Stirling engines

Alfarawi

2020

Int J Energy Res

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This work aims to compare beta-type Stirling engine performance [ground power unit]) driven by rhombic and crank mechanisms. A modified non-ideal adiabatic model accounting for different frictional and thermal losses was adopted in this study. After validating the current model with engine experimental data, different scenarios of operating conditions including heater temperature, cooler temperature, charge pressure and engine speed were investigated. The results revealed that rhombic drive mechanism generates 32% more power and provides 20% more efficiency than crank mechanism at normal operating conditions. However, at low hot end temperature (300 C) and high charge pressure (50 bar) crank drive mechanism tends to slightly generate power more than rhombic drive mechanism at lower engine speeds. At low hot end temperature (300 C) and charge pressure (10 bar) both mechanisms cannot deliver any positive power. Higher power loss is recognized in crank drive mechanism at higher speeds due to increased pumping and gas spring hysteresis losses. This study highlights a wide analysis opportunity for designers and researchers of GPU-3 Stirling engine for further optimization.

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“…In the present Stirling heat pump, a rhombic drive mechanism is adopted to drive the displacer and piston. In history, rhombic drive mechanism is first developed by Philips company in 1953 . Because of the symmetry in Rhombic drive mechanism, the side friction force caused by driving mechanism can be eliminated and to decrease the mechanical loss effectively.…”

Section: Introductionmentioning

confidence: 99%

Development of a beta‐type Stirling heat pump with rhombic drive mechanism by a modified non‐ideal adiabatic model

2020

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In this paper, a thermodynamic model is developed for predicting the performance of a beta-type Stirling heat pump with rhombic drive mechanism for water heater and the model is validated by a 1-kW class prototype Stirling heat pump. In the present model, the working space is divided into expansion space, heat absorber, regenerator, heat rejecter and compression space. The pressure, mass and temperature variations of working fluid in each working space are predicted. The temperature variation of wall boundary is also taken into consideration. The temperature of working fluid in each working space and the temperature of wall boundary are obtained by solving energy equations simultaneously. Eventually, the pressure of working fluid in each working space can be corrected by using empirical formula of pressure drop. All the thermal properties of working fluid and wall boundary in each working space at each time step can be obtained by repeating the above process. Then, the performance of heat pump such as absorbing heat, rejecting heat, indicated power and COP can be calculated. A series of experimental measurements and comparisons are also conducted for validating present model. The results show that the prototype heat pump can produce 904 W heating power and 38 C hot water under 1 LPM water flow rate with 5 bar helium at 1000 rpm. K E Y W O R D Sbeta type, heat pump, non-ideal adiabatic model, rhombic drive mechanism

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A review development of rhombic drive mechanism used in the Stirling engines

Cited by 49 publications

References 28 publications

A Brief Review on the Advantages, Hindrances and Economic Feasibility of Stirling Engines as a Distributed Generation Source and Cogeneration Technology

A Brief Review on the Advantages, Hindrances and Economic Feasibility of Stirling Engines as a Distributed Generation Source and Cogeneration Technology

Thermodynamic analysis of rhombic‐driven and crank‐driven beta‐type Stirling engines

Development of a beta‐type Stirling heat pump with rhombic drive mechanism by a modified non‐ideal adiabatic model

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