ДСТУ EN 308-2001
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1 2 4 5 3.
1 2 З? 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5 5.6 6 6.1 6.2 6.3 6.4 6.5 6.6 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 —? —? —? —? —?
HEAT EXCHANGERS
Test procedure for establishing performanceof air to air and flue gases heat recovery devices
1 а?) Ь?) с?) d) е?) 2 EN 247 Heat exchangers — Terminology
EN 305 Heat exchangers — Definition of performance of heat exchangers and the general test procedure for establishing performance of all heat exchangers
EN 306 Heat exchangers — Methods of measuring parameters necessary for establishing the performance
EN 307 Heat exchangers — Guidelines to prepare installation, operating and maintenance instructions required to maintain the performance of each type of heat exchanger
EN 247 EN 305 EN 306 EN 307 * d n q mn q m1 q m2 q men q mep q mc0 q mil i t
t w 21 22 11 12 co w meas 4 4.1 4.2 4.3
- _ *22 ~*21 4.4 4.5 4.6
4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5 Qm2 1 ’ ^ ’
< 14 18
-15 5.6 6 6.1 6.2 6.3 , 6.4 ^11 “^21
6.5 6.6 - ?2 = 0,95 < — <1,05. 7 7.1 ( 7.2 q mep /q mn -100 % = % q men lq mn -W0 % = % 7.3 q mi |/q mn -100 % = % 7.4 q mco /q m 2’’'00 % = % 7.5
^11
^w1 1
^21
^w21
q m2 .
f 11 =
^w11 -
f 21 “
f w21 - q m2 . 7.6 q m2 , 7.7
21 22 11 12
27.060.30