This study shows how to solve thermal engineering problem and to involve for this the audience of the specialized forums in Internet. Discussed the problem of the density of water depending on its parameters.
Pictures of the chapter (Mathcad sheets in attach):
Fig. 8.1 Diagram of maximum density water temperature as a function of its pressure
Fig. 8.2 Mathcad forum (Re: Maximize/Minimize or Find a root (zero) of derivative)
Fig. 8.3 Adjusted calculation of maximum density water temperature/ its pressure function
Fig. 8.4 Web-page of water properties reference book (Formulation of region 1 (the basic equation for water))
Fig. 8.5 Water density calculation in SMath
Fig. 8.6 List of MS Excel add-ins
Fig. 8.7 Calculation of maximum density of water in MS Excel environment
Fig. 8.8 Water density as a function of pressure and temperature: one level lines
