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A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine

Habib GÜRBÜZ [1] , Durukan ATEŞ [2]

In the present paper, the numerical analyses of the heat charge and discharge processes of the latent heat energy storage (LHTES) system designed for the recovery of the exhaust waste heat energy of the SI engine presented. In the LHTES system as phase change material (PCM), the charge and discharge ability of paraffin wax commercially identified with code RT27 were analyzed depending on time. Two closed-loop fluid circulation system consisting of two heat exchangers (HESs) was designed, someone connected to the exhaust path of SI engine for waste heat recovery, and the other used for the charging and discharging of waste heat energy in the PCM. To transfer the waste heat from the hot exhaust gases to the PC, cold water was used as the heat carrier fluid. In the numerical analysis, the exhaust gas temperature and flow rate values of a single-cylinder, air-cooled having a stroke volume of 476.5 cm3 SI engine operated with gasoline at 1600 rpm engine speed and 1/2 throttle position were used. As a result, at designed LHTES system and numerical analysis performed for RT27 paraffin wax under boundary conditions, the process of heat charge (melting) completed at 8000.sec with 93% liquid-fraction, while the process of heat discharge (solidification) completed at 55000.sec with 15% liquid-fraction.
Latent heat energy storage, Serpentine tube heat exchanger, Exhaust easte heat recovery, SI engine
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Primary Language en Engineering, Mechanical Research Articles Orcid: 0000-0001-5157-6227Author: Habib GÜRBÜZ (Primary Author)Institution: SÜLEYMAN DEMİREL ÜNİVERSİTESİCountry: Turkey Orcid: 0000-0002-6604-7384Author: Durukan ATEŞ Institution: Süleyman Demirel UniversityCountry: Turkey - - Application Date : September 27, 2020 Acceptance Date : November 9, 2020 Publication Date : December 31, 2020
 Bibtex @research article { ijastech800856, journal = {International Journal of Automotive Science And Technology}, issn = {}, eissn = {2587-0963}, address = {Gazi Üniversitesi Teknoloji Fakültesi Otomotiv Mühendisliği Bölümü, Teknikokullar, Ankara}, publisher = {Otomotiv Mühendisleri Derneği}, year = {2020}, volume = {4}, pages = {314 - 327}, doi = {10.30939/ijastech..800856}, title = {A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine}, key = {cite}, author = {Gürbüz, Habib and Ateş, Durukan} } APA Gürbüz, H , Ateş, D . (2020). A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine . International Journal of Automotive Science And Technology , 4 (4) , 314-327 . DOI: 10.30939/ijastech..800856 MLA Gürbüz, H , Ateş, D . "A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine" . International Journal of Automotive Science And Technology 4 (2020 ): 314-327 Chicago Gürbüz, H , Ateş, D . "A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine". International Journal of Automotive Science And Technology 4 (2020 ): 314-327 RIS TY - JOUR T1 - A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine AU - Habib Gürbüz , Durukan Ateş Y1 - 2020 PY - 2020 N1 - doi: 10.30939/ijastech..800856 DO - 10.30939/ijastech..800856 T2 - International Journal of Automotive Science And Technology JF - Journal JO - JOR SP - 314 EP - 327 VL - 4 IS - 4 SN - -2587-0963 M3 - doi: 10.30939/ijastech..800856 UR - https://doi.org/10.30939/ijastech..800856 Y2 - 2020 ER - EndNote %0 International Journal of Automotive Science and Technology A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine %A Habib Gürbüz , Durukan Ateş %T A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine %D 2020 %J International Journal of Automotive Science And Technology %P -2587-0963 %V 4 %N 4 %R doi: 10.30939/ijastech..800856 %U 10.30939/ijastech..800856 ISNAD Gürbüz, Habib , Ateş, Durukan . "A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine". International Journal of Automotive Science And Technology 4 / 4 (December 2021): 314-327 . https://doi.org/10.30939/ijastech..800856 AMA Gürbüz H , Ateş D . A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine. ijastech. 2020; 4(4): 314-327. Vancouver Gürbüz H , Ateş D . A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine. International Journal of Automotive Science And Technology. 2020; 4(4): 314-327. IEEE H. Gürbüz and D. Ateş , "A numerical study on processes of charge and discharge of latent heat energy storage system using RT27 paraffin wax for exhaust waste heat recovery in a SI engine", International Journal of Automotive Science And Technology, vol. 4, no. 4, pp. 314-327, Dec. 2021, doi:10.30939/ijastech..800856

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