ASHRAE, Handbook-HVAC Applications, Room air diffusion, This part is based on the
                           findings as follows:Rydberg, J. and P. Norback, Air distribution and draft, 1949 ASHVE
                           Transactions 55:225, Straub, H. E., S. F. Gilman, and S. Konzo, Distribution of air
                           within a room for tear-round air conditioning-part 1, 1956, University of illinois
                           Engineering Experiment Station bulletin, 435, and Straub, H. E., M. M. Chen, Distribution
                           of air within a room for tear-round air conditioning-part 2, 1957, University of illinois
                           Engineering Experiment Station bulletin, ASHRAE, Handbook, Vol. 442, pp. 57.5-57.10
