Sites like Physics Stack Exchange are excellent for asking about specific sticking points in Chapter 5 (The Statistical Description) or Chapter 8 (Spectral Dynamics). Final Thoughts
Understanding why we use averages (Reynolds averaging) and how to handle the "closure problem." A First Course In Turbulence Solution Manual
The "law of the wall" and how fluid interacts with solid surfaces. Sites like Physics Stack Exchange are excellent for
Finding a formal, publisher-printed solution manual for Tennekes and Lumley can be difficult, as many older textbooks did not have widely distributed student versions. However, several high-quality resources exist: several high-quality resources exist: