It maintains the flap's natural airfoil shape by eliminating the unsightly bulb and resultant drag found on common trailing edge stiffeners.

An investigation of the fatigue strength of three bulb plate stiffener joints is discussed. In addition to the usual joint with completely welded bulb, 

b (mm) 5 6 7 8 60 3.41 80 4.41 5.06 5.72 100 6.32 7.13 7.96

Bulb flats are the most cost-effective, efficient and corrosion-resistant solution for plate stiffening requirements. Key advantages include an excellent strength to weight ratio delivering buckling resistance at a lower weight than with flat bars or angles.

To cite this article: Cesare Mario Rizzo & Wolfgang Fricke ( ): Fatigue assessment of bulb stiffener joints according to local approaches, Ships and Offshore Structures, 8:1, 73-83

An improved composite stiffener and methods and tooling used to form the same. The stiffener includes one or more base flanges, a composite rod extending in an axial direction, a bulb cap

An improved composite stiffener and methods and tooling used to form the same. The stiffener includes one or more base flanges, a composite rod extending in an axial direction, a bulb cap surrounding the composite rod, and an upright web extending from the one or more base flanges to the base cap. The upright web includes a non-linear profile in the axial direction providing the improved

Because of the rounded edges, Bulb Flats are excellent stiffeners with a longer life span compared to angles in terms of corrosion-resistance and 

Jun 25,  · Bulb stiffeners are basic structural elements and widely used in ships and offshore platforms. Large amount of bulb stiffeners constitute the main frames of those engineering structures and help them to withstand complicated and harsh environmental loadings.

An investigation of the fatigue strength of three bulb plate stiffener joints is discussed. In addition to the usual joint with completely welded bulb, two further configurations are considered: one having a weakened bulb and another one having extra reinforcement to compensate for the unwelded bulb. The fatigue life for the usual and for the

Bulb flats are the most cost-effective, efficient and corrosion-resistant solution for plate stiffening requirements. Key advantages include an excellent strength to weight ratio delivering buckling