Articles

Energy effectiveness of the differential of a device for speed change through the sun gear

User Rating:  / 0
PoorBest 

Authors:

О.R.Strilets, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0003-3834-7176, National University of Water and Environmental Engineering, Rivne, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

V.O.Маlashchenkо, Dr. Sc. (Tech.), Prof., orcid.org/0000-0001-7889-7303, Lviv Polytechnic National University, Lviv, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

V.M.Strilets, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0003-2098-2315, National University of Water and Environmental Engineering, Rivne, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

 повний текст / full article



Abstract:

Purpose. Theoretical and computer research and determination of performance efficiency of three- and four-stage gear differentials in speed changing devices through sun gears. Substantiation of the possibility of their use in machine drives based on estimating their energy efficiency and possible self-braking.

Methodology. To solve this problem, we used the method of “potential power”; by computer simulation, analytical expressions for the performance efficiency are obtained; using the MS Excel software package, the graphical dependencies of energy efficiency on the gear ratio, the angular velocity of the sun gear and the number of stages are obtained.

Findings. The obtained graphic dependences for the performance efficiency of three- and four-stage gears differentials allow one to follow visually the change in the value of the efficiency, depending on the angular velocity of the sun gear, the gear ratio and the number of steps. This allows us to estimate the perfection of the given differentials in terms of energy consumption and possible self-braking.

Originality. For the first time, analytical expressions were obtained for a more precise determination of the efficiency of a three- and four-stage differential gears with a driving carrier and a driven ring gear, or vice versa. Obtained from the analytical formulas, graphic dependences for the performance efficiency allow one to follow the change in the value of the performance efficiency.

Practical value. It is recommended for implementation in designing and constructing practice when developing the speed change devices through the differential transmissions of drives of various machines. It can be used in the educational process of technical higher educational establishments in mechanical engineering disciplines in the study of machines drives.

References.

1. Strilets, O. R. (2017). The efficiency of the differential gear to devices for controlling the speed change through a sun gear. Odeskyi Politechnichnyi Universytet. Pratsi, 2(52), 29-38.

2. Strilets, O. R. (2017). Determination of the efficiency of multistage differential gear transmissions of speed change device via sun gear. Herald of National University of Water and Environmental Engineering. Technical Sciences, 1(77), 113-123.

3. Drewniak, J., Garlicka, P., & Kolber, A. (2016). Design for the bi-planetary gear train. Scientific Journal of Silesian University of Technology. Series Transport., 91, 5-17. https://doi.org/10.20858/sjsutst.2016.91.1.

4. Li Jianying, Hu Qingchun, Zong Changfu, & Zhu Tianjun (2017). Power Analysis and Efficiency Calculation of Multistage Micro-planetary Transmission. Energy Procedia, 141, 654-659. https://doi.org/10.1016/j.egypro.2017.11.088.

5. Wenjian Yang, &  Huafeng Ding (2018). Automatic detection of degenerate planetary gear trains with different degree of freedoms. Applied Mathematical Modelling, 64, 320-332. https://doi.org/10.1016/j.apm.2018.07.038.

6. Fuchun Yang, Jianxiong Feng, & Hongcai Zhang (2015). Power flow and efficiency analysis of multi-flow planetary gear trains. Mechanism and Machine Theory, 92, 86-99. https://doi.org/10.1016/j.mechmachtheory.2015.05.003.

7. Salgado, D. R., & Castillo, J. M. (2014). Analysis of the transmission ratio and efficiency ranges of the four-, five-, and six-link planetary gear trains. Mechanism and Machine Theory, 73, 218-243, https://doi.org/10.1016/j.mechmachtheory.2013.11.001.

8. Grzegorz Peruń (2014). Verification of Gear Dynamic Model in Different Operating Conditions. Scientific Journal of Silesian University of Technology. Series Transport, 84, 99-104.

9. Pawar1, P. V., & Kulkarni, P. R. (2015). Design of two stage planetary gear train for high reduction ratio. International Journal of Research in Engineering and Technology, 4(6), ЕSAT Publishing House, Bangalore, India, 150-157. https://doi.org/10.15623/ijret.2015.0406025.

10. Chao Chen, & Jiabin Chen (2015). Efficiency analysis of two degrees of freedom epicyclic gear transmission and experimental. Mechanism and Machine Theory, 87, 115-130. https://doi.org/10.1016/j.mechmachtheory.2014.12.017.

11. Tianli Xie, Jibin Hu, Zengxiong Peng, & Chunwang Liu (2015). Synthesis of seven-speed planetary gear trains for heavy-duty commercial vehicle. Mechanism and Machine Theory, 90, 230-239. https://doi.org/10.1016/j.mechmachtheory.2014.12.012.

12. Esmail, E. L., Pennestrì, E., & Hussein, Juber A. (2018). Power losses in two-degrees-of-freedom planetary gear trains: A critical analysis of Radzimovsky’s formulas. Mechanism and Machine Theory, 128, 191-204. https://doi.org/10.1016/j.mechmachtheory.2018.05.015.

13. Dankov, A. M. (2018). Planetary Continuously Adjustable Gear Train with Force Closure of Planet Gear and Central Gear: From Idea to Design. Science & Technique, 17(3), 228-237. https://doi.org/10.21122/2227-1031-2018-17-3-228-237.

14. Dobariya Mahesh (2018). Design of Compound Planetary Gear Train. International Journal for Research in Applied Science and Engineering Technology, 6(4), 3179-3184. https://doi.org/10.22214/ijraset.2018.4527.

15. Bonfiglio, A., Lanzarotto, D., Marchesoni, M., Passalacqua, M., Procopio, R., & Repetto, M. (2017). Electrical-Loss Analysis of Power-Split Hybrid Electric Vehicles. Energies, 10(12), 21-42. https://doi.org/10.3390/en10122142.

16. Nutakor, C., Kłodowski, A., Sopanen, J., Mikkola, A., & Pedrero, J. I. (2017). Planetary gear sets power loss modeling: Application to wind turbines. Tribology International, 105, 42-54. https://doi.org/10.1016/j.triboint.2016.09.029.

17. Malashchenko, V. O., Strilets, O. R., & Strilets, V. M. (2016). Speed changes management via multi-step differential gear transmission through the sun gear. Herald of National Technical University “Kharkiv Politehcnic”. Problems of Mechanical Drive, 23(1195), 51-57.

Visitors

3022276
Today
This Month
All days
198
19801
3022276

Guest Book

If you have questions, comments or suggestions, you can write them in our "Guest Book"

Registration data

ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

Contacts

D.Yavornytskyi ave.,19, pavilion 3, room 24-а, Dnipro, 49005
Tel.: +38 (056) 746 32 79.
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
You are here: Home