Scopus
🔓 Açık Erişim YÖKSİS Eşleşti
NUMERICAL INVESTIGATION ON PULSE DETONATION ENGINE PERFORMANCE UNDER DIFFERENT EQUIVALENCE RATIO
Advanced Engineering Letters · Ocak 2024
YÖKSİS Kayıtları
NUMERICAL INVESTIGATION ON PULSE DETONATION ENGINE PERFORMANCE UNDER DIFFERENT EQUIVALENCE RATIO
Advanced Engineering Letters · 2024 DOAJ, Google Scholar, DOI UBKG, EBSCO, Crossref, COBISS, SCISPACE, Scilit
ÖĞRETİM GÖREVLİSİ OSMAN KOCAASLAN →
Makale Bilgileri
DergiAdvanced Engineering Letters
Yayın TarihiOcak 2024
Cilt / Sayfa3 · 1-12
Scopus ID2-s2.0-105003268793
Erişim🔓 Açık Erişim
Özet
Detonation-based engines have a higher thermal efficiency than deflagration-based engines and are therefore widely studied. In this study, the effect of initiation conditions on the detonation wave propagation and the performance of a pulse detonation engine, one type of detonation-based engine, was numerically investigated. Hydrogen-oxygen mixtures with equivalence ratios of φ=0.8, 1.0, and 1.2 were defined as initiation conditions with constant pressure and temperature. The numerical simulations were conducted using the transient explicit density-based solver in the ANSYS Fluent commercial software. The adaptability of the adaptive mesh refinement method in detonation-based engines was explored in the numerical studies, reducing the average total cell count by a factor of 2.617, and obtaining consistent results according to validation studies. The adaptive mesh refinement method was also used in numerical simulations where different equivalence ratios were defined. It was determined that an increase in the equivalence ratio resulted in an increase in the detonation wave velocity. Also, an increase in thrust distribution at the nozzle exit was observed before the blowdown stage, and the calculated thrust values for φ=0.8, φ=1.0, and φ=1.2 were 248.28 N, 264.5 N, and 270.83 N, respectively.
Yazarlar (1)
1
Osman Kocaaslan
ORCID: 0000-0002-7848-6974
Anahtar Kelimeler
adaptive mesh refinement
combustion
computational fluid dynamics
Detonation wave
equivalence ratio
pulse detonation engine
Kurumlar
Selçuk Üniversitesi
Selçuklu Turkey
Metrikler
2
Atıf
1
Yazar
6
Anahtar Kelime