14th EditionR.C. Hibbeler
7th EditionJ.L. Meriam, L.G. Kraige
7th EditionJr. Charles H. Roth, Larry L Kinney
6th EditionAllan R. Hambley
ENGINEERING A house located in Boulder, Colorado $(40^\circ N$ latitude), has ordinary double-pane windows with 6-mm-thick glasses and the total window areas are 8, 6, 6, and $4 m^2$ on the south, west, east, and north walls, respectively. Determine the total solar heat gain of the house at 9:00, 12:00, and 15:00 solar time in July. Also, determine the total amount of solar heat gain per day for an average day in January.