Engine Exhaust Power Generation

HT1300AGM (HT704C-AGM)

INTRODUCTION

Shannon Thermal Blankets are a CAD designed, CNC produced, high quality pre-engineered insulation system designed to save energy, retain radiant heat, minimize insulation maintenance and improve the surrounding work environment. Shannon is weather resistant and chemical resistant. Shannon is flexible and easy to install, remove and reinstall allowing quick access and easy equipment serviceability. The key benefit is re-usability.

Common Applications
Engine Exhaust, Turbo’s, Piping, Catalytic Converters, Mufflers, Silencers, In-Line Weld and Flanged Fittings.

Markets
Fleet Services: Bus, Ferry, Small Engine Components.

Service Temperature
Engine & Turbine Systems – This design is to act as a Thermal Barrier with a maximum service temperature of 1300˚F (704˚C).

Product Components
The Outer Jacket is a 9.5oz/yd² (323g/m²) Aluminized Composite Laminate Fiberglass Cloth. The inner jacket consists of Stainless Steel Type 304 Knitted Wire Mesh (.011” Dia. @ 16SF/LB – 0.28 mm Dia. @ 3.3 m2/KG) and 17.0 oz/yd² (577g/m²). The Insulation Core Material is an 11lb/ft3 (176.2 kg/m3) Fiberglass Needled Mat – Type “E” Fiber. The Fiberglass Mat is encapsulated by the outer Aluminized Composite Laminate Fiberglass Cloth, & inner Stainless Steel Type 304 Knitted Wire Mesh, sewn together, producing a “Self-Contained Blanket System”. The Shannon Thermal Blanket System includes Integral Fasteners for install & removal.

blankets for engine exhaust
Blanket Thickness Surface Temperature Reference
Operating Temp
Thickness
Surface Temp
Thickness
Surface Temp
Thickness
Surface Temp
482˚ C (900˚ F) 40 mm (1.5″) 90.3˚ C (194.5˚ F ) 50 mm (2″) 77.2˚ C (171.0˚ F ) 65 mm (2.5″) 68.6˚ C (155.4˚ F )
538˚ C (1000˚ F) 50 mm (2″) 87.4˚ C (189.4˚ F) 65 mm (2.5″) 77.3˚ C (171.2˚ F) 80 mm (3.0″) 70.1˚ C (158.1˚ F)
482˚ C (1100˚ F) 65 mm(2.5″) 76.1˚ C (169˚ F) 80 mm (3.0″) 68.9˚ C (156.0˚ F) 88 mm (3.5″) 61.1˚ C (142.0˚ F)
538˚ C (1200˚ F) 50 mm (2″) 88˚ C (191˚ F ) 80 mm (3.0″) 72.0˚ C (161.0˚ F) 88 mm (3.5″) 62˚ C (144.0˚ F)
760˚ C (1400˚ F) 50 mm (2″) 107˚ C (225˚ F ) 80 mm (3.0″) 86˚ C (187˚ F) 102 mm (4.0″) 74˚ C (165.0˚ F)

* The above referenced Cold Face Surface Temperatures should be used as guidelines for blanket insulation thickness design.
* The Cold Face Surface Temperature of the blanket should approach surrounding ambient temperature conditions.
* The economic thickness of the blanket should consider blanket cost, thermal performance and blanket design constraints.
* Heat Loss Calculations are based on a 21.1˚ C (70˚ F) ambient temperature using a flat surface condition.

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