A Realistic Hot Water Draw Specification for Rating Solar Water Heaters

Burch, J.¹ 

[1] National Renewable Energy Lab. (NREL), Golden, CO (United States)

关键词: NREL;    solar water heaters;    ratings;    draw profile;    mains temperature;   

DOI  :  10.2172/1219719
RP-ID  :  NREL/CP--5500-54539
PID  :  OSTI ID: 1219719
Others  :  Other: 5867

美国|英语

来源: SciTech Connect

【 摘 要 】

In the United States, annual performance ratings for solar water heaters are simulated, using TMY weather and specified water draw. This paper proposes a more realistic ratings draw that eliminates most bias by improving mains inlet temperature and by specifying realistic hot water use. Presented at the 2012 World Renewable Energy Forum; Denver, Colorado; May 13-17, 2012.