Biology Investigatory Project

 Essay about Biology Investigatory Project

USING AQUARIUM WASTE DRINKING WATER AS A NUTRIENT SOURCE FOR HYDROPONICALLY CULTIVATED PLANTS

January 2013

Subjective

Have you ever ever observed how frosty water with the morning and wondered in the event this can be somehow be used for air conditioning? The water in subterranean pipes stays on cool since underground temperatures remain frequent all year round no matter what the outside air temperature may be. Conventional air conditioning units are high temperature exchangers that take temperature from a room, compress this heat after which radiate that into the ambiance. Although successful, the converter of an ac uses a wide range of electricity, plus the radiated heat from the air conditioning also enhances the ambient air temperature outside the house. This project will check out if it will be possible take advantage of this constant cool ground temperature and use it as part of a low-energy compressor-less air conditioner. To try this, a scaled straight down mock-up heat exchanger using a fan will probably be built to absorb the heat by room air flow and transfer that temperature to a coolant liquid. This liquid will probably be pumped to a water chillier that simulates underground heat where the temperature will be used in the ground. The coolant will then be recirculated back into a radiator. The intake and exhaust temperatures will probably be monitored to verify that there is any significant air conditioning effect. In the event that this job is successful, this can be employed as a low-energy air conditioner system that is certainly good for the environment and does not waste energy and create abnormal heat just like regular air conditioners.

Chapter I actually. INTRODUCTION

History of the Study

The world is currently experiencing problems concerning our strength resources. The problem is the rate the fact that world's energy demands happen to be increasing is usually faster compared to the rate from which renewable sources are getting developed.

Therefore until the period that both renewable and fossil fuelled energy resources can be stable to meet demand, the only real option is to try to find ways to lessen our energy consumption.

Looking at simply how much electricity all of us use, you will see that air conditioning leads to the largest talk about of our total energy intake. This is particularly true in summer, the place that the use of ac can lead to more than fifty percent of household electrical intake. Of course we can just stop using each of our aircons, yet that would just work on awesome days, just like around Christmas time, but it could also produce our homes very uncomfortable during summer. And so the better solution would be to look at how to make an aircons use less electricity.

The main reason aircons use so much electric power is because of the compressor. This can be the most important part from the aircon since it compresses the warmth that is obtained from inside the room and exchanges that high temperature outside the place that the heat is usually radiated in the atmosphere. The compressor makes sure that the temperatures of the aircon's condenser is usually hotter than the outside environmental air temp, so that the heat will copy from the condenser to the outside air. If the heat is usually transferred (or exchanged) for the outside air flow, the right now cool air can be brought back in to the room. That is why aircons are also called warmth exchangers. If perhaps there was a way to construct a heat exchanger that does not use a compressor, then it would be likely to have a very energy efficient air conditioning unit.

For any compressor-less temperature exchanger to work, it really must be able to radiate its temperature into a place that is much cooler than the place being cooled down. One likely place is the earth on its own. In the Thailand, the ground temp beyond 5m below the surface area is continuous at 25В°C, regardless of what the outdoors temperature is definitely. This can be as low as 20В° C if surface water is present, usually around 30m under the surface.

This project aims to explore the feasibility of building a compressor-less heat exchanger as an alternative to conventional...

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