淮海工学院学报（自然科学版）
淮海工學院學報（自然科學版）
회해공학원학보（자연과학판）
JOURNAL OF HUAIHAI INSTITUTE OF TECHNOLOGY(NATURAL SCIENCES EDITION)
2014年
1期
4-7
,共4页
热工学%R417a%热泵热水器%制冷剂替代
熱工學%R417a%熱泵熱水器%製冷劑替代
열공학%R417a%열빙열수기%제랭제체대
pyrology%R417a%heat pump water heater%alternative of refrigerants
分别在20℃和7℃工况下对R417a用于空气源热泵热水器进行了实验，并就进水温度对系统吸／排气压力、消耗功率、制热功率、COP等方面与R22进行了对比分析。结果表明，两种工况下，混合工质R417a用于热泵热水器时与R22相比，它的吸／排气压力均是低的；输入功率、制热量要小于R22系统；性能系数优于R22系统，且随着进水温度的升高，其下降趋势比R22迅速。
分彆在20℃和7℃工況下對R417a用于空氣源熱泵熱水器進行瞭實驗，併就進水溫度對繫統吸／排氣壓力、消耗功率、製熱功率、COP等方麵與R22進行瞭對比分析。結果錶明，兩種工況下，混閤工質R417a用于熱泵熱水器時與R22相比，它的吸／排氣壓力均是低的；輸入功率、製熱量要小于R22繫統；性能繫數優于R22繫統，且隨著進水溫度的升高，其下降趨勢比R22迅速。
분별재20℃화7℃공황하대R417a용우공기원열빙열수기진행료실험，병취진수온도대계통흡／배기압력、소모공솔、제열공솔、COP등방면여R22진행료대비분석。결과표명，량충공황하，혼합공질R417a용우열빙열수기시여R22상비，타적흡／배기압력균시저적；수입공솔、제열량요소우R22계통；성능계수우우R22계통，차수착진수온도적승고，기하강추세비R22신속。
Experiment was carried out on the R417a and R22 used in air-source heat pump water heater under 2 different working conditions of 20 ℃ and 7 ℃.The discharge pressure,power in-put and coefficient of performance (COP)of the R417a were analyzed in comparison with R22. Results show that under the two working conditions,the discharge pressure,power input and power output of R417a system are lower than those of R22,and its heating output is reliable as a result of the effect by the temperature of hot water.Though the COP of R417a reduces rapidly, its average COP is higher than that of R22.
