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Nairaland Forum / Nairaland / General / Education / 100k For Lucky Student Nairalanders. (31618 Views)
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Re: 100k For Lucky Student Nairalanders. by Nobody: 7:57pm On Sep 18, 2017 |
because the outside air is cooler |
Re: 100k For Lucky Student Nairalanders. by Silvertrinity(f): 7:57pm On Sep 18, 2017 |
Cos of humidity. |
Re: 100k For Lucky Student Nairalanders. by LionDeLeo: 7:57pm On Sep 18, 2017 |
davedgr8one:Okay if that moniker doesn't show up, I will assume you are right. |
Re: 100k For Lucky Student Nairalanders. by cuvox(m): 7:57pm On Sep 18, 2017 |
Gloryejims: Nigeria still get winter abi you dey jand? |
Re: 100k For Lucky Student Nairalanders. by EgusiShankly: 7:57pm On Sep 18, 2017 |
.... |
Re: 100k For Lucky Student Nairalanders. by kenness(m): 7:57pm On Sep 18, 2017 |
omenka:If you closely see working of an air conditioner, you will see that there is a condenser coil and an evaporator coil. Condenser coil is placed on outer side and has high temperature. Whereas, evaporator coil is on inner side is cool and is responsible for cooling the air. When air high on humdity comes in contact with the evaporator coil, humidity of air condenses to water and air low on humidity is returned to car. Condensed water is discharged through Ac drain. Since, car is closed and it is recommended that ventilation vent should also remain closed when Ac is on. Hence, humid air inside the car is continuously dehumidified. But due to this windshield gets cold and fog may not form inside the windshield, but it is formed outside the windshields, specially on outside of rear windshield. So, it is recommended to switch on rear defogger ( black lines across the rear windshield). Using Ac to defog works best in rainy season only. In winter you need to turn on blower and change air flow to the windscreen. |
Re: 100k For Lucky Student Nairalanders. by JamesReacher(m): 7:57pm On Sep 18, 2017 |
Outside humidity is why. Water will condense on a surface if the temperature of the surface is below the dew point of the air next to that surface. So you need warm, humid air next to a cooler surface to fog up. If it is very humid outside and you're running the air conditioner inside the car, water can condense on the outside of the windows. Using the windshield wipers and the rear defroster can get rid of condensation there by wiping it off or making it evaporate. Often, the air in the car will be warmer than the air outside the car (this happens in winter here). Moisture will condense on the inside of the windows if the outside air is cooler than the dew point inside the car. The air conditioner dehumidifies air because water condenses inside it when the air goes past the cold tubes with the refrigerant inside. Heating it up way past its dew point makes it feel dry, and it is dry condensation,it'll help evaporate any condensation even more quickly the hotter it is because heat is needed to cause the liquid water to change phase to a gas. |
Re: 100k For Lucky Student Nairalanders. by MAIZAMANI(m): 7:58pm On Sep 18, 2017 |
Perspiration and breathing of the occupants in the car |
Re: 100k For Lucky Student Nairalanders. by olaoluwa3124(m): 7:58pm On Sep 18, 2017 |
omenka:the temperature inside the car is more than the temperature outside |
Re: 100k For Lucky Student Nairalanders. by thelinguist: 7:58pm On Sep 18, 2017 |
LionDeLeo:it depend on the level of humidity..of it is high enough |
Re: 100k For Lucky Student Nairalanders. by Nobody: 7:58pm On Sep 18, 2017 |
kenness: I laugh in chines 1 Like |
Re: 100k For Lucky Student Nairalanders. by cuvox(m): 7:59pm On Sep 18, 2017 |
Thank God for quora, nobody for fit answer this one |
Re: 100k For Lucky Student Nairalanders. by Nobody: 8:00pm On Sep 18, 2017 |
there is presence of moisture in the car |
Re: 100k For Lucky Student Nairalanders. by Samskid619(m): 8:00pm On Sep 18, 2017 |
omenka: Water condenses on the glass surface because of its high humidty and Cold glass |
Re: 100k For Lucky Student Nairalanders. by davedgr8one: 8:00pm On Sep 18, 2017 |
LionDeLeo:Okay sir. God bless |
Re: 100k For Lucky Student Nairalanders. by Gloryejims(f): 8:01pm On Sep 18, 2017 |
omenka: Often, the air in the car will be warmer than the air outside the car. Moisture will condense on the inside of the windows if the outside air is cooler than the dew point inside the car. |
Re: 100k For Lucky Student Nairalanders. by Nazareth10: 8:01pm On Sep 18, 2017 |
The humidity during rain is much higher. and the raindrops makes the glass cold thereby cooling off through that manner as the air cannot directly absorb the humidity then z |
Re: 100k For Lucky Student Nairalanders. by Nobody: 8:02pm On Sep 18, 2017 |
omenka:it signifies moisture inside your car |
Re: 100k For Lucky Student Nairalanders. by Nobody: 8:02pm On Sep 18, 2017 |
Op please let this question be cancelled |
Re: 100k For Lucky Student Nairalanders. by heryurh(m): 8:02pm On Sep 18, 2017 |
omenka:Moisture will condense on the inside of the windows if the outside air is cooler, The air conditioner dehumidifies air because water condenses inside it |
Re: 100k For Lucky Student Nairalanders. by Silvertrinity(f): 8:02pm On Sep 18, 2017 |
Silvertrinity:Also, Excess moisture in the air. |
Re: 100k For Lucky Student Nairalanders. by Nobody: 8:03pm On Sep 18, 2017 |
The normal perspiration and breathing of the occupants of a home adds moisture to the air. |
Re: 100k For Lucky Student Nairalanders. by Gloryejims(f): 8:03pm On Sep 18, 2017 |
omenka: Because when warm air meets with cool air, mist is generated... The people in the car are obviously breathing and the warm temperatures mixes with the cold temperatures due to the rain.. |
Re: 100k For Lucky Student Nairalanders. by Nelsizzy(m): 8:03pm On Sep 18, 2017 |
I came here late |
Re: 100k For Lucky Student Nairalanders. by Nobody: 8:04pm On Sep 18, 2017 |
Condensation happens when there’s a difference between the temperature and moisture levels inside and outside the car. When warm, humid air meets cold glass, water from the air condenses on the glass, forming water droplets or fog. 1 Like |
Re: 100k For Lucky Student Nairalanders. by petroldollar: 8:04pm On Sep 18, 2017 |
una still dey here? I am back |
Re: 100k For Lucky Student Nairalanders. by omenka(m): 8:05pm On Sep 18, 2017 |
AnonyNymous:You got it right. So also did most respondents. The glass is alot cooler than the air inside the cabin. This air, amongst other things, contains moisture which comes from the air we breath and evaporating sweat from our skin. When the ac isn't running, there is no means to evacuate this moisture and it is trapped in the cabin. This then condenses upon cooler sources (the glases in this case) when it makes contact with such resulting in what is observed under such conditions of rainfall. Cc: LionDeLeo. 1 Like |
Re: 100k For Lucky Student Nairalanders. by MAIZAMANI(m): 8:07pm On Sep 18, 2017 |
Condensation happens when moisture laden air comes in contact with a cooler surface. The cooler surface draws heat from boundary layer, and since cooler air cannot hold as much humidity as warmer air, the moisture gets deposited on the surface. |
Re: 100k For Lucky Student Nairalanders. by LionDeLeo: 8:07pm On Sep 18, 2017 |
omenka:Anonymous, ur acc pls. |
Re: 100k For Lucky Student Nairalanders. by Samskid619(m): 8:07pm On Sep 18, 2017 |
Moisture will condense on a surface if the temperature of the surface is below the dew point of the air next to that surface. So you need warm, humid air next to a cooler surface to fog up. |
Re: 100k For Lucky Student Nairalanders. by Nelsizzy(m): 8:07pm On Sep 18, 2017 |
omenka:Moisture condenses inside the surface of a glass because the temperature inside the vehicle is higher than the temperature outside the vehicle. Cc Omenka |
Re: 100k For Lucky Student Nairalanders. by LionDeLeo: 8:08pm On Sep 18, 2017 |
Next question in 5 minutes. |
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