A ducted fan is a device that is used in many types of aircraft. Essentially, it is a fan that is encased in a duct. This creates a more efficient airflow system and allows for a higher level of thrust. There are several synonyms for the term "ducted fan." These include: shrouded fan, enclosed rotor,ducted propeller, and augmented fan. All of these terms refer to the same type of device, which is designed to improve the efficiency and effectiveness of aircraft propulsion systems. Whether you're an aviation enthusiast or an engineer, understanding the various terms and concepts associated with ducted fans is essential for keeping up with the latest advancements in aerospace technology.