Таблица 1
Параметры рабочих тел (R22) в узловых точках цикла с промежуточным хладоносителем
(1 –2 –3–4–5 –6 –1 )
и простого цикла (1–2–3–4–5–6–1)
Точки
Параметры
р
,
бар
t
,
C
v
,
дм
3
/
кг
h
,
кДж/кг
s
,
кДж/(кг
K)
x
2
ад
(2
ад
)
16,10
60,54 (57,96) 16,28 (16,03) 434,15 (431,80) 1,7504 (1,7433)
[46.71 (45.95), [19.52 (19.42), [425.49 (424.64), [172.67 (1.7241),
[10.72, 25.38] 60.53 (58.14)] 11.17 (10.94)] 452.91 (449.61)] 1.81 (1.8001)]
2 (2)
68.7 (64.90)
17.4 (16.69)
441.46 (438.07)
1.772 (1.762)
[52.83 (51.21), [20.31 (20.10), [432,24 (430.46), [1.7476 (1.742),
66.51 (63.11)] 11.70 (11.40)] 460.83 (456.37)] 1.8335 (1.8004)]
3
42.0
14.34
416.58
1.6962
[42.0,42.0]
[18.88, 9.12] [420.19, 424.37]
[1.71, 1.7219]
4
0.89
252.26
1.1748
[0.88, 1.04]
[259.40, 269.84] [1.1991, 1.2323]
5 (5)
4.98(5.84)
0.0 (5.0)
12.58 (9.90)
1.91 (1.1880)
0.255 (0.231)
[2.93 (3.50),
[0.0 (5.0),
[21.27 (16.35),
[1.2175 (1.2135), [0.299 (0.270),
7.98 (9.33)]
0.0 (5.0)]
10.93 (8.70)]
1.2555 (1.2506)] 0.316 (0.290)]
6 (6)
47.04 (40.29) 404.91 (406.71) 1.7504 (1.7433)
1 (1)
[69.28 (58.35), [398.49 (401.37), [1.7267 (1.7241),
32.73 (27.90)] 421.23 (422.58)] 1.81 (1.8001)]
146
ISSN 0236-3941. Вестник МГТУ им. Н.Э. Баумана. Сер. “Машиностроение”. 2012