Optimizing the Return Vent Height for Improved Performance in Stratified Air Distribution Systems
Danping Qiao,
Shihai Wu,
Nan Zhang
et al.
Abstract:One of the factors that strongly impacts the efficacy of stratified air distribution (STRAD) systems is the return vent height (H), for which different studies have yielded different suggested values. This theoretical research uses a displacement ventilation (DV) system as an example to examine how the H affects the efficacy of STRAD systems through analysis of the trade-offs between the cost of the vertical temperature gradient and the benefits of energy reduction. The key results are as follows: (a) The ener… Show more
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