Chapter 4 helps the reader develop a basic understanding of boundary layers and their impact on aerodynamic flows, and be able to obtain solutions for basic laminar flows and use the results to estimate properties, such as boundary layer thickness, shear stress, and skin friction. Descriptions are included for the characteristics of turbulent boundary layers, and how they compare to laminar boundary layers. Readers will be presented with information on how drag is impacted by laminar and turbulent boundary layers, including friction and separation. Analysis approaches will be presented to estimate turbulent boundary layer properties, such as boundary layer thickness, shear stress, and skin friction, including how to complete a control volume analysis of a boundary layer flow. Information is also presented for how to calculate the heat transfer and heat-transfer rate for a constant-property flow.
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