|
各位前辈,我想请教一个问题,就是吹风机19.2的测试条件:! Q; K. K& e% @
% G6 J# \- S# Z7 v/ o
19.2 Addition:
$ k% L2 F6 E0 V% v }Restricted heat dissipation is obtained as follows:
) B) R1 B1 Y9 J– motors are disconnected;8 w& T) F$ y' e
– hand-held hairdryers are placed on the floor of the test corner in any stable position) M1 [. d9 C$ o, U" u
likely to occur;, [$ t9 ~$ D+ r# g
– appliances intended to be filled with water are operated empty;
/ r8 @$ @: \# m& O# ^– hand-held appliances without an integral rest are placed on the floor of the test corner in2 Q* H, @6 ]/ @! Y0 ?* o' r( S
any stable position likely to occur.) _% n# f6 q, X4 ~: D. p
Hairdryers having a flexible hood attachment are also tested with the motor operating, the
+ d4 ]; J4 ]: Cairflow through the hose being restricted to give the most unfavourable result.1 m5 W Y, h# D# M. h4 j
Heaters for detachable curlers are placed on a piece of low-density glass-fibre insulation* ^0 K# D+ z0 t' B- p8 R7 w' l& m( t
having a coefficient of thermal insulation of approximately 2,5 m2K/W.) y" X- w" D' A3 V& S. W5 a- }
% _+ H) t5 k O; {' H 这些条件是独立的做多个实验 还是同时满足做一个实验?
1 T8 `* y, i" E! o7 y2 ?, U8 X0 [, I# E
请大家指点,谢谢。
* M \: a( R7 N s+ ?, S4 ~2 i |
|