List of Articles Turbofan Engine Open Access Article Abstract Page Full-Text 1 - Remaining Useful Life Estimation Enhancement via Deep Adaptive Feature Extraction Zahra Esfahani Karim Salahshoor A.H. Mazinan Open Access Article Abstract Page Full-Text 2 - Conceptual design of the inlet flow preheat system to the nozzle test equipment of a turbine engine Behrooz Shahriari Hamid Farrokhfal Mohammad Reza Nazari