Assessment of a ramjet engine for different Mach numbers

AYAZ S. K., ALTUNTAŞ Ö.

INTERNATIONAL JOURNAL OF SUSTAINABLE AVIATION, cilt.3, sa.4, ss.325-340, 2017 (ESCI) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 3 Sayı: 4
  • Basım Tarihi: 2017
  • Doi Numarası: 10.1504/ijsa.2017.10011238
  • Dergi Adı: INTERNATIONAL JOURNAL OF SUSTAINABLE AVIATION
  • Derginin Tarandığı İndeksler: Emerging Sources Citation Index (ESCI)
  • Sayfa Sayıları: ss.325-340
  • Anahtar Kelimeler: thermodynamic analysis, ramjet engine, thermodynamic performance evaluation, thrust, impulse, THERMODYNAMIC ANALYSIS, SCRAMJET ENGINE, EXERGY ANALYSIS, CYCLE ANALYSIS, PERFORMANCE, THRUST
  • Anadolu Üniversitesi Adresli: Evet

Özet

The aim of this study is to determine optimum working of a generic ramjet engine. A thermodynamic analysis has been performed to evaluate three different ramjet flight conditions that have been obtained by using GasTurb. The results show that the entropy production in the diffusor (by the shocks) is of much importance as the combustor. The 2 Mach flight state has the highest fuel economy in compared to 3 and 4 Mach. 4 Mach creates the most irreversible process for given conditions. 4 Mach is the vulnerable one to pressure change since it has more thrust loss against pressure increase, which may happen during descend.