R32制冷系统降低排气温度的方法研究
百度试题 题目关于R32制冷剂的性能表述,哪项是错误的?( )。 A. R32的ODP值与R410A基本相等 B. R32的GWP值小于R410A C. R32的工作压力小于R410A D. R32具有低度可燃性 相关知识点: 试题来源: 解析 C 反馈 收藏
下表是三种制冷剂的部分特性对比：标准沸点℃摩尔质量g/mol 安全等级GWP值容积制冷量 相对充注量临界压力MPa 临界温度℃R22 低0.05工作压力ODP值1700A1,无毒难燃86.47-40.8964.9741.190.71 R410A R32中高002100675A1,无毒难燃A2,无毒可燃72.5852。02-51.4-51.770.578.11.41 1 4.81 5.7810.71 ...
Low GWP (Global Warming Potential) refrigerant Samsung has added the new eco-friendly R32 refrigerant to its air conditioning range. R32 Refrigerant has a low Global Warming Potential (GWP)* and a zero Ozone Depletion Potential (ODP) effect - which helps to protect the ozone layer! * Compa...
12、)-51.7,熔点:-136,蒸气压:1518.92 kPa,21.1,密度:2.72 kg/m3,15、2.163 kg/m3,21.1;临界温度:78.25,临界压力:5.808Mpa,临界密度:0.43g/ml,沸点时的蒸发潜势:390.5KJ/KG,水中溶解度:(25)0.44%,液体比热:2.3525,KJ/(kg·) ,其破坏臭氧层值(ODP)为0,温室效应值(GWP)为0.11。R32在自身压力下为无色...
制冷剂R32的循环性能实验研究
New R32 refrigerant, ODP = 0, GWP = 675. Working together to reduce greenhouse gas emissions. High precision electronic expansion valve: use electronic expansion valve for controlling, reach 500 steps adjustment, adjust super heat degree...
R32(二氟甲烷)作为HFCs类制冷剂的一种,其ODP=0,GWP=675,相对于空调常用制冷剂R22(ODP=0.055,GWP=1810)和R410a(ODP=0,GWP=2100)来说,更为符合国际环保标准,而且其系统充注量仅为R22的60%,相比于R22减排比例可达到62.7%[2]。 浙江大学韩晓红等[3]对制冷剂R32和R410a的循环性能进行了实验研究,结果表明:...
New R32 refrigerant, ODP = 0, GWP = 675. Working together to reduce greenhouse gas emissions. High precision electronic expansion valve: use electronic expansion valve for controlling, reach 500 steps adjustment, adjust super heat degrees ac...
R32 制冷剂破坏臭氧潜能值 ODP 为 0, 全球变暖系数值 GWP 为 675,工作压力与 R410A 基本相当; 且在相同制冷量下,R32 充注量仅为R22 的三分 之二左右; 相比于R290,R32 只具有 低度可燃性; 相比于 R410A,R32 的全球变暖系数 只有前者的三分之一左右,这些优势使其成为当 前 HCFCs 制冷剂最具潜力的...