Recent content by Astra

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    Solar Powered Car Interior Ventilator

    Topher925, Thanks for clearing up the air, so basically i can say that the rate of heat transferred out equal to: \dot{}q=\dot{}mCp\deltaT where \deltaT is the difference between outside ambient air temp vs heated cabin air temp. Cp just assume 1.005 since it does not change much...
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    Solar Powered Car Interior Ventilator

    I have come across some window mount unit solar cell that power little exhaust fan that claims to coll down the car cabin that parked under hot summer sun. However since the fan is not powerful enough to drive the heat out of the car effectively, is it enhance it with: 1. larger solar panel...
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    Method to Measure CO2 concentration in room

    unfortunately yes :( this is a high school project that I am working on, so we are not expected to exceed $200 total budget if possible.
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    Method to Measure CO2 concentration in room

    Hi all, i have been assigned to study indoor air quality and car cabin air quality project. My Problem is: How to measure Carbon Dioxide concentration in that constant volume of air? (consider there will be changes in the concentration and i need to quantify or contrast it at least.)...
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