If your answer differs, is it because of a rounding error? A different curve fit for specific heat? A neglected vibrational energy term? The manual’s value is not the number—it’s the method . Write marginal notes in your textbook referencing the manual’s page for that problem type.
Today, hypersonic problems are often solved with CFD (Computational Fluid Dynamics). But the golden rule of CFD is: Validate against theory. The solution manual provides analytical or semi-analytical benchmarks. For instance, the classic problem of "stagnation point heat transfer on a blunt body" (Fay-Riddell equation) appears in both the textbook and the manual. Comparing your CFD output to the manual’s step-by-step solution is the only way to know if your boundary layer mesh is adequate. Hypersonic And High Temperature Gas Dynamics Solution Manual