Zobrazeno 1 - 10
of 272
pro vyhledávání: '"Mustafa Versan Kok"'
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 147:10767-10774
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1817d75069e6b49d4513fb7f08b8b96
https://doi.org/10.1007/s10973-022-11210-0
https://doi.org/10.1007/s10973-022-11210-0
Autor:
Mustafa Versan Kok, Betul Yildirim
This research aimed at understanding the effects of particle size and heating rate on combustion characteristics and kinetics of Saray-Thrace region coal by performing thermogravimetry (TG-DTG) analysis. The TG-DTG curves revealed two main reaction r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb7e974634edb616d6de4364bcc632d5
https://aperta.ulakbim.gov.tr/record/235046
https://aperta.ulakbim.gov.tr/record/235046
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 141:775-781
In this research, combustion behaviour of three crude oils with different °API gravities was analysed. The thermogravimetric analyser (TGA) and differential scanning calorimeter (DSC) experiments were performed using three different heating rates (2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48b4f6628c9bc85cb669feb670133537
https://doi.org/10.1007/s10973-019-09066-y
https://doi.org/10.1007/s10973-019-09066-y
Autor:
Berk Bal, Mustafa Versan Kok
Publikováno v:
Journal of Petroleum Science and Engineering. 180:605-614
In this research, two groups of experiments were conducted to investigate the effects of silica (SiO2) nanoparticles on the filtration and rheological properties of water-based drilling fluids. In the first group, bentonite, chrome-free lignosulfonat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31159bd361611f6a8efef985844ae8c0
https://doi.org/10.1016/j.petrol.2019.05.069
https://doi.org/10.1016/j.petrol.2019.05.069
Publikováno v:
Journal of Petroleum Science and Engineering. 179:1-6
In this research, four different crude oils from Tatarstan oil fields with wide range of API gravities (from 16.6 to 32.5 °API) were used for hydrogen and carbon nuclear magnetic resonance spectroscopy (H NMR and C NMR) determinations. The hydrogen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29bd2eee3653822656a670e858125496
https://doi.org/10.1016/j.petrol.2019.04.026
https://doi.org/10.1016/j.petrol.2019.04.026
Publikováno v:
Journal of Petroleum Science and Engineering. 177:540-543
In this research, pressurized differential scanning calorimeter (PDSC) were used to estimate the thermal and kinetic behaviour of two different crude oils from Tatarstan oil fields under three different pressures (100, 600, 2000 kPa) at a constant he
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7eb730e838e21af059b04c77da69d772
https://doi.org/10.1016/j.petrol.2019.02.065
https://doi.org/10.1016/j.petrol.2019.02.065
Autor:
Betul Yildirim, Mustafa Versan Kok
Publikováno v:
Journal of Petroleum Science and Engineering. 175:237-245
This research aimed at understanding the gasification behaviour of Thrace-Saray region coal by conducting several thermogravimetry analysis (TGA) experiments. The effects of heating rate (20–50 °C/min), final gasification temperature (750–950 °
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c79243e5bf80d58848b6463a973e1eb
https://doi.org/10.1016/j.petrol.2018.12.050
https://doi.org/10.1016/j.petrol.2018.12.050
Publikováno v:
Energy
Energy, Elsevier, 2020, 204, pp.117905. ⟨10.1016/j.energy.2020.117905⟩
Energy, Elsevier, 2020, 204, pp.117905. ⟨10.1016/j.energy.2020.117905⟩
International audience; Five coal samples from different origins are characterized for their pyrolysis and combustion features using coupled thermogravimetry - mass spectrometry (TG-MS). The samples are heated at temperatures ranging from 25 to 900 d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ef6a4e6befb6a2f820e05ac6af5c4de
https://hal.archives-ouvertes.fr/hal-02895618
https://hal.archives-ouvertes.fr/hal-02895618
Autor:
Mustafa Versan Kok, Betul Yildirim
This study aimed at understanding the gasification kinetics of Thrace region coal samples performing isothermal carbon dioxide gasification experiments at five different temperatures (750, 825, 850, 900, 950 °C). Thermogravimetric analysis (TGA) exp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80787b49037a42144a5beb3661e1bbd0
https://aperta.ulakbim.gov.tr/record/7309
https://aperta.ulakbim.gov.tr/record/7309
Autor:
S. Esra Safran, Mustafa Versan Kok
Publikováno v:
Journal of Petroleum Science and Engineering. 208:109547
(B.Raman), which is the largest oil field of Turkey's already existing CO2 injection system, does not produce at the desired efficiency due to the natural fracture characteristics. Therefore, this research is performed to control the CO2 mobility in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f8b72c230b14c6ef11b550c3cc1e7ea
https://doi.org/10.1016/j.petrol.2021.109547
https://doi.org/10.1016/j.petrol.2021.109547