Thunderstorm environment aluminum rod/fiber rod tent compare time: 2011 -
28 source: tent author: outdoor camping goods
tent < p> a few years ago, I have seen a bolt of lightning to the camp, believe a lot of friends also witnessed in the stormy night beautiful arc is not far from us.
< / p> < p> in shennongjia open zone in August 2001, but also witnessed the whole piece of lightning district, the tall trees all like coke, visible lightning as a deadly threat, cannot treat STH lightly.
< / p> < p> discussion about what kind of tent safer, here are some words, the topic, looking forward to more.
< / p> < p> a, aluminum rod as a good conductor, is better than a glass rod attract lightning?
< / p> < p> the choice of lightning first according to the height of the conductor, and between a number of conductor, it hits the highest.
< / p> < p> in addition, due to lightning usually on a rainy day, regardless of the glass rod or aluminum rod, tent fabric for wet water as a conductor.
< / p> < p> so to attract lightning, more is determined by the height not curtain rod materials.
< / p> < p> 2, how to avoid the tent being struck by lightning?
< / p> < p> lightning damage mainly from two aspects: one is direct split, 2 is a high voltage electric arc.
< / p> < p> to avoid direct split, simple principle is not to become this area is high, stand out the most easy to split.
< / p> < p> and arc, lightning is caused by high pressure air discharge phenomenon, after hitting an object will flash arc near the object, cause harm.
< / p> < p> as a result, while not be high, also should avoid close to high camp, otherwise will be hit by arc.
< / p> < p> so, the ideal way is to choose the bottom topography and vegetation height overall, with tall plant or construction and keep a certain distance camping sites.
< / p> < p> three, if hit, aluminum rod and glass rod which is better?
< / p> < p> theoretically, glass rod because its not conductive, and can't play the role of sharing through the body's current, whereas aluminum rod as a parallel conductors, helps the body to bear part of the current.
< / p> < p> have such cases in history, was struck by lightning because the clothes are all wet become conductive and survived.
< / p> < p> so, the wet tents, tent pole is conductive, the smaller the damage after being shot.
< / p> < p> however, this can't avoid the huge damage caused by high voltage arc, so once hit, are extremely dangerous.
< / p> < p> < / p> < p> in the lightning, can be divided into two conditions: < / p> < p> a glass rod with aluminum rod which is more lead thunder.
If you ignore the actual usage, aluminum rod ray does more.
But in fact, due to the rainy weather tent whole has become a conductor, and curtain rod is usually not exposed outside the tent, so this is not a big difference.
A bolt from the blue or a large number of metal bar, of course, the outer tent is beyond the scope of consideration.
< / p> < p> second, if hit, glass and aluminum rod which is more likely to avoid harm.
This problem can look like this: < / p> < p> 1, we're talking about lightning tents rather than a direct hit the human body, there is no aluminum rod directly among the contact problem of the human body, so with this situation met wire rod dead are completely different.
< / p> < p> 2, lightning hit a tent is not directly, at this point is not to avoid current directly through the human body harm but arc and high temperature.
So the action of the similar principle of rubber shoes is not in this case.
< / p> < p> 3, lightning huge energy needs must transform, through the conductor into the ground, produce arc, producing high temperature is the process that may occur.
< / p> < p> so, figure 1 shows that such a situation: tent pole is a good conductor, and inserted into the underground;
Tent fabric all wet, can conduct electricity, and grounding;
All wet on the ground, can conduct electricity.
People slept on the insulation of dampproof mat.
Fabric and the metal curtain rod is equivalent to the structure of the skynet and wet ground is equal to the net.
When the lightning current channel into the ground, without having to produce a large number of arc and instantaneous high temperature.
< / p> < p> there is a laboratory can refer to: high voltage was used to simulate lightning hit a piece of wet outside, respectively, of wood and a piece of wood drying, which exploded, the former is intact.
< / p> < p> however, select the appropriate camp to avoid lightning strike is the right way.
And aluminum rod tent, it is theoretically a safer choice.
< / p> < p> when lightning is very strong and there is no suitable terrain, you can even use sticks or tent pole to pull the longest, inserted on the ground of about 10 meters away from the tent, and she was curled up in the absence of curtain rod tent.
< / p> < p> so conclusions have some like this: < / p> < p> 1, if it is rainy day thunder, aluminum rod is no more dangerous than glass rod, also may be more security.
Because no matter what will become the conductor rod tents, so focus on who can better digest after lightning current.
< / p> < p> 2. If it is a bolt of thunder, aluminum rod is more dangerous.
Because at this time only aluminum rod tent to attract lightning.
< / p> < p> 3, choose the curtain rod only minor lightning protection measures, the real key, is to grasp the campsite selection of the basic principles and lightning prevention measures.
< / p>
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