The amount is so different between the air conditioner, the introduction of the outside air and the inner air circulation![I tried exploring in the sweaty experiment in midsummer]

■ Following the introduction of the outside air, I checked the emission of air conditioning water during the air circulation!

Last time, I experimented about how much the water came out of the air conditioner.

The result was that it was discharged almost every 10 minutes by about 200 cc, and 1000cc in less than 60 minutes.However, at this time, it was a consistent introduction of the outside air.

It is natural that the amount of water that comes out in the unit time is constant, as the moisture of the outside air that comes in from one to the next.

So, does the internal circulation make a difference in the amount?

In the intense heat, I don't know who will be useful and what will cost if I know it, but it's a sequel to "a stupid experiment that someone doesn't know."

● Experiment method

Last time, we performed with the upper body wind, A/C on, the strongest fan, the lowest temperature, and the introduction of the outside air, but this time, the first four things were circulated and the method of measurement was to circulate inside and outside the air.it's different.

I will write again the method I took.

1.Place a 1L weighing cup at the falling location of the air conditioner under the car.2.Start the engine, put in the air conditioner at the same time (upper body winding, lowest temperature, strongest fan, inner circulation).

Last time, the third in the "method" in the outside air introduction experiment was "measured the time of increasing the water by 100 cc, measured the amount increased every 10 minutes," but this time changed.I did it.The reason will be explained later.

If the experimental vehicle is the same old Jimny Sierra as the previous time, it is the same as the previous time that numerical temperature settings such as "25 degrees" and "28 degrees" are not possible with manual air conditioner.

Apply an extension hose to the tip of the air conditioner water drain of the car (for the reason, see the previous article).

In the air circulation, the air in the room passed and condensed the air in the air conditioning unit and drained water, so it was speculated that water would not come out when all indoor moisture was condensed.

Do you go according to this guess?Come on, let's get started!

● Surprising from the beginning ...

At the same time as the engine, turn on A/C.The compressor goes around and the cold air starts.

Crouched outside and observed the air conditioner water drain.At the time of the introduction of the last time, I wrote, "Waiting, but there was no sign of water, and it started 8 minutes and 42 seconds from on."

"Did you forget to push A/C? ... No, it's different because the cold wind was certainly coming out."

"Is the additional hose band too tightened and the water is full of indoors?"

Even if I checked in a hurry, all settings were wrong.

Moh, Mo -mon, Maun, Minmin Minmin ...

Apart from the sound of the engine and compressor, the screams of the cicada covers the experiment under the scorching sun.

I think again.yeah?Did you hear the cicada's voice for a long time since elementary school?As sweat oozes out of the body, the disgusting scene of being chased by homework at the end of the summer vacation at that time is revived in my head.

"I guess I was hitting my homework that was angry with my parents every year ..." I returned to me with my own voice, and when I observed it again, water finally came out.Start = engine start & air conditioner ON, 53 minutes 51 seconds later!

Although it was predicted that the experiment would be a different flow from the time of the introduction of the outside air, it would take 53 minutes 51 seconds to far exceeded 8 minutes 42 seconds of the unexpected outside air introduction.I never thought.

The first moment is the same as the introduction of the outside air, and the water that came out, saying, "I can't hold the pee that I was doing, and Basha!"

In the case of this car, somewhere in the evaporator, there is a saucer that accumulates 25cc of water for the first time, and it seems that it is the first structure to the drain when overflowed from there.Therefore, the first one blowing amount (25cc) is the same in either of the outside air introduction, the inner circulation, (only speculation).

The problem was later.

● Is it so late and few?Air conditioner water in the air circulation

At the time of the introduction of the outside air, it reached 50cc at a stretch in about 12 seconds after dropping 25cc, but this time the air circulation is about 25cc, the first drop is about 25cc, and then 16 minutes after reaching 50cc.It took seconds.

エアコンからの排出水、外気導入と内気循環とで量はこんなに違う!【真夏の汗だく実験で探ってみた】

It is finally 50cc in 76 minutes from the start.Even if you look at the situation after that, the speed of water drops is slow!At the time of the introduction of the outside air, after the first one, afterwards, the water surface was always rhythmic, "Pota, potato, potato", and the water surface of the weighing cup was always falling, but the inner circulation.It is really slow.

If it is written,

"Pota ..., Pota ............・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ”

hey?You'll get frustrated even if you read it, right?

The water surface of the cup has one drop and one drop, so that it is still stationary before the next one shizuku comes.

I guess the water has already stopped.It is so leisurely that you misunderstood it, and it is a great difference from the introduction of the outside air, which increased around 200 cc every 10 minutes.

Even though it was a 1300cc ordinary car, it was originally a mini car, which was an off -road 4WD with a ladder frame in 1998.Due to the invasion of the engine vertically, the erosion of the wheel space with thick tires, the cabin is very minimal, unlike as of 2021 as of 2021.

In accordance with the room, it was a matter of course that if you go around the air -conditioning unit only once, there will be almost no water from a certain point.Therefore, the guess before the experiment was correct.

Even so, at this pace, I felt that the experiment ended in the fall foliage, so I decided to change the policy in a hurry.

● Change policy!

At the concept stage of this experiment, I intended to measure two of the "increase in every 10 minutes" and "time to increase every 100cc" as in the case of the outside air, but the experiment in the air circulation is too slow.For this reason, we stopped measurements for a certain period of time, and changed to a record only for each 50cc increase time.

However, since it will be autumn as it is, it is changed to "how the air conditioning mode will change if the passenger seat door changes as the internal circulation is increased by 100cc."

Since the speed increased speed in the introduction of the outside air, the time measurement was increased by 50 cc, and the door opening and closing was increased by 100 cc.

I wrote that the inner circulation is literally "to incorporate indoors into the air conditioning unit", but the suction port is at the feet of the passenger seat.Therefore, it was the passenger seat door to open and close.

If you have a car, please take a look under the instrument board passenger seat side.

The air -conditioning unit has a door to switch inside and outside, but when the outside air is introduced, the visible side is closed from the feet, and during the air circulation, the outside air route side is opened and shuts out the outside air.thing.

It is absolutely unlikely that you will open the passenger seat door in the air circulation mode, and it is an experiment for experiments, "I do not know who will be the food," but if you do it, it will change.Appeared.

● Experimental results and consideration

Here is the result of this experiment.

It is a table because it is difficult to understand as it is.I will show you along with the graph during the outside air introduction experiment that I posted last time.

Will the air conditioner be more expensive if the air conditioner can be put in?

Looking at the graph, when the passenger seat door is opened, the lines are steep, 6 minutes from 50cc to 100cc, which is the next 50cc increase, 9 minutes to 150cc, and the first 53 minutes 51 seconds.You can see that it will change and increase.

That's right.The air -conditioning panel is in the air circulation, but it is the outside air that passes through the passenger seat door opening.On the other hand, the graph's inclination was almost constant when the actual outside air was introduced.

Let's close the door here.

The graph line has become a little loose and 6 minutes to the next 50cc increase to 200 cc, whether it is no longer motivated to the next 250cc, the inclination of the graph line has become even gentler and takes 17 minutes.increase.

If you open the door again, it will be crisp and steep ... If you look at the state of dying and losing, it seems that the door opening is a camphor agent for dehumidifying activity.It looks like an emotional creature rather than an air conditioner.

However, it is obvious at a glance that the amount of water volume every 10 minutes is generally less than when introducing the outside air.After all, the way of incorporating the air is different between the introduction of a real outside air and the introduction of fake outside air.

From there, I moved around the car by taking a picture, and while setting the camera, the timing of the 50cc increase was crazy, but the subsequent graph inclination was closed even if I opened the door.It has also become constant.I'm not sure why.Is it because the temperature has dropped?

In such a case, the air conditioner in the air circulation, the amount of water accumulated in 125 minutes exceeding 2 hours is finally 500cc.At this point, it ended.

It would have been even less if the door was closed from the beginning to the end.

As mentioned above, the air conditioner water in the air cycle was so different during the introduction of the outside air, which was about 1050cc in 60 minutes and about 1150cc in 80 minutes!It was a report.

At the end.This time, I had a long -term circulation for the experiment, but the air conditioning of the car was in principle "outside air introduction".

This is because you always want to keep the inside of the car fresh by always performing the inside of the car from outside to the outside and outside.If the same air is stayed, the crew sigh and sweat will not only bring window glass, but also increase the concentration of carbon dioxide, cause drowsiness, and may cause sleepy driving.

This phenomenon appears more prominently as the number of crews increases."Inner air circulation" should be limited to places where you want to quickly cool and heat, and places where you can dust, such as a place with a lot of traffic, a construction site, inside the tunnel, and dust.

And a place that smells unpleasant.The author switches to an inner circulation when the dust at the construction site is dug, but when the asphalt is digging up, that smell is cut off.That smell is intense.

Use the air conditioner of the car, switching the inside and outside of the inside and outside through the four seasons.

I'm going to conduct another air conditioner -related experiment, but at the time of writing this paper, the news of "Heavy rain in the disaster class" is likely to be available for a while until the next day under the scorching sun comes.When will it be?

(Sentence, photos, graphs, etc.: Naoshi Yamaguchi)

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