Performance Analysis of Single-Stage and Vapor Injection Transcritical CO2 Refrigeration Cycles: Energy, Exergy, and Component-Wise Evaluation. - KARACAYLI, Ibrahim (Afyon Kocatepe University Journal of Science & Engineering / Afyon Kocatepe Üniversitesi Fen Ve Mühendislik Bilimleri Dergisi, 2026)