A flow control system (100,200) for use with a wind turbine, said flow control system comprising: an air distribution system (102,202) at least partially defined within at least one blade of the wind turbine, said air distribution system comprising at least one aperture (108,208) defined through an outer surface of the blade; and a control system (36,363) in operational control communication with said air distribution system, said control system being configured to: operate the wind turbine in a first mode; operate the wind turbine in a second mode that is different than the first mode; acquire operational data of said wind turbine during at least said second mode; determine an effectiveness of said flow control system using the acquired operational data; and perform an action based on the effectiveness of said flow control system; characterised in that the flow control system (100,200) further comprises a detection system comprising an isolation device positioned within a manifold of said flow control system (36,363), and wherein said control system is further configured to: activate said isolation device to partition said manifold into at least two chambers (320,322); channel a fluid flow into at least one of said two chambers within said manifold; determine a first pressure within a first chamber of said two chambers; determine a second pressure within a second chamber of said two chambers; and compare the first pressure with the second pressure to determine the effectiveness of said flow control system. an air distribution system (102,202) at least partially defined within at least one blade of the wind turbine, said air distribution system comprising at least one aperture (108,208) defined through an outer surface of the blade; and a control system (36,363) in operational control communication with said air distribution system, said control system being configured to: operate the wind turbine in a first mode; operate the wind turbine in a second mode that is different than the first mode; acquire operational data of said wind turbine during at least said second mode; determine an effectiveness of said flow control system using the acquired operational data; and perform an action based on the effectiveness of said flow control system; characterised in that the flow control system (100,200) further comprises a detection system comprising an isolation device positioned within a manifold of said flow control system (36,363), and wherein said control system is further configured to: activate said isolation device to partition said manifold into at least two chambers (320,322); channel a fluid flow into at least one of said two chambers within said manifold; determine a first pressure within a first chamber of said two chambers; determine a second pressure within a second chamber of said two chambers; and compare the first pressure with the second pressure to determine the effectiveness of said flow control system. operate the wind turbine in a first mode; operate the wind turbine in a second mode that is different than the first mode; acquire operational data of said wind turbine during at least said second mode; determine an effectiveness of said flow control system using the acquired operational data; and perform an action based on the effectiveness of said flow control system; activate said isolation device to partition said manifold into at least two chambers (320,322); channel a fluid flow into at least one of said two chambers within said manifold; determine a first pressure within a first chamber of said two chambers; determine a second pressure within a second chamber of said two chambers; and compare the first pressure with the second pressure to determine the effectiveness of said flow control system.