Group Project Proposal (Engineering)

SCHOOL OF SCIENCE AND TECHNOLOGY, SINGAPORE

INVESTIGATIVE SKILLS IN SCIENCE

Names:Sim Hng Kang, Sivakumar Rishikarthik, Adib Hairie

Class: S2-04_______

Group Reference: A / B / C / D / E / F / G / H  / J /  K  / L /  M  

A.    Indicate the type of research that you are adopting:

 [  X  ] Improve a product or process: Industrial and applied research

           e.g. Development of a SMART and GREEN energy system for households  

  1. Type & Category

Type of research: _______6________  (Write down one number from 1 to 6)


Category  –  ___________
13__________ (Write down one number from 7 to 20)

Sub-category –  _________(e)_________ (Write down the sub-heading alphabet)  


(Refer to
http://sst2016-iss.blogspot.sg/p/l2-types-of-research-categories.html  )

Application of project relevant to SST Community, Society or the World:

 

        We would be researching on a product called the eco-cooler, of which it is made up of a wooden board and reused plastic bottles. The reused plastic bottles can help save the environment as it minimises waste wastage. Also, it is stated that the eco-coolers would not be needing any energy to lower down the room temperature, which thus makes it fascinating as well as an excellent alternative to the air-conditioner that people of a lower income can afford. As global warming is taking place, this eco-friendly product can create a more comfortable environment for people to study, work and live in by lowering down the temperature to a temperature that people can be comfortable in.


C.    Write down your research title:

Investigation of the eco-cooler

D.   (a) Problem being addressed


The problem being addressed is the lack of eco-friendly and efficient temperature reducing systems.

      (b) Goals


Reduce energy wastage in the temperature reducing sector.

Provide clean and eco-friendly temperature reducing system that also can act as a valid window.

(c) Specify Requirements

  1. 90 cm square board
  2. Control the number of bottles
  3. Control the temperature of the air that we blow into the bottles
  4. Control the duration of the time that we blow the hot air into the plastic bottles

(d) 3 possible Solutions

Screen Shot 2017-03-08 at 2.48.33 PM.pngScreen Shot 2017-03-08 at 2.48.39 PM.png

(e) Choice and rationale for choice

Suggested factors for consideration:

Factors

Critical Thinking question

Weight

Is the weight suitable?

Size

Is the size suitable?

Cost to produce

Do you have the financial support to produce it?

Elegance

Is the solution simple, clever, or ingenious?

Robustness

Is the solution sturdy, resilient, and unlikely to fail?

Aesthetics

Is the solution tasteful and pleasing to look at?

Resources

Do you have or can you get the materials you need?

Time

Do have time to make the solution and debug it?

Skill Required

Do you have the skills to make the solution?

Safety

Is the solution safe to build, use, store, and dispose of?

Ease of use

Is the device easy to use?

Environmental Impact

Does the device in anyway, have a negative impact on the environment?

Table 4: List of factors for consideration in the design of the prototype

Ranking matrix

Colour

Weight

Size

Cost to produce

Elegance

Robustness

Aesthetics

Resources

Time

Skill required

Safety

Ease of use

Environmental Impact

Row Total

Normalised value

(in 1 d.p)

Colour

3

1

1

2

0

1

0

0

3

1

0

0

11

4.7%

Weight

0

0

3

1

0

3

2

0

2

0

0

0

11

4.7%

Size

2

3

3

1

3

3

2

0

2

0

0

0

19

8.1%

Cost to produce

2

0

0

2

0

3

0

0

1

0

1

0

9

3.8%

Elegance

3

2

2

1

0

2

0

0

0

0

0

0

10

4.3%

Robustness

3

3

0

3

3

3

2

0

3

2

1

0

23

9.8%

Aesthetics

2

0

0

0

1

0

0

0

0

0

0

0

3

1.3%

Resources

3

1

1

3

3

1

3

0

0

0

1

0

16

6.8%

Time

3

3

3

3

3

3

3

3

3

1

3

1

32

13.6%

Skill Required

0

1

1

2

3

0

3

3

0

2

0

1

16

6.8%

Safety

2

3

3

3

3

1

3

3

2

1

2

1

27

11.5%

Ease of use

3

3

3

2

3

2

3

2

0

3

1

1

26

11.1%

Environmental Impact

3

3

3

3

3

3

3

3

2

2

2

2

32

13.6%

Total

235

Table 1: The ranking matrix for factors affecting the choice

Decision making grid

Requirement

Solution 1

Solution 2

Solution 3

Factors

Normalised value

Votes (0 to 5)

Normalised votes

Votes (0 to 5)

Normalised votes

Votes (0 to 5)

Normalised votes

#1: Environmental Impact

13.6%

1

20%

1

20%

3

60%

#2: Time

13.6%

1

20%

2

40%

1

20%

#3: Safety

11.5%

3

60%

2

40%

1

20%

Total points

Safety

Safety/Time

Environmental

Table 2: The decision making matrix for the 3 most important factors.

E.    Method – Description in detail of method or procedures (The following are important and key items that should be included when formulating ANY AND ALL research plans.)

(a) Equipment list:
 

  1. 1x 90cm by 90cm wooden board
  2. 1x Infrared thermometer sensor
  3. 1x Drill
  4. 36x plastic bottles
  5. 1x 1m long ruler
  6. 1x pencil
  7. 1x compass
  8. 1x vernier Calipers
  9. 1x penknife
  10. 1x hot glue gun
  11. 1x hairdryer
  12. 1x fan


(b) Diagrams

(c) Procedures for building: Detail all procedures for construction of prototype

  1. Use the ruler and pencil to draw a square of length 36cm in the middle of the board
  2. Divide the box into 36 equal squares, making sure that the area of the square perfectly fits the big square of 36 cm
  3. 6 cm from the top, mark a line
  4. Cut the bottle along the line, leaving only the half with the opening
  5. Use the vernier calipers to measure the diameter of the opening of the plastic bottles
  6. Use the compass to draw a circle of diameter the diameter of the opening of the plastic bottles in the middle of one of the 36 squares
  7. Repeat step 6 until all of the 36 squares have a circle in them
  8. Drill through the circles
  9. Put the top of the plastic bottles through the circles that are drilled
  10. Use the hot glue gun to secure the plastic bottles in the holes

(d) Procedures for testing: Detail all procedures for testing of prototype

  1. Use the hairdryer to blow hot air into the bottles
  2. Use an infrared sensor to measure the temperature in;
  3. The air blown into the bottles
  4. The air that the bottles have cooled down
  5. Record down the temperature that was recorded
  6. Repeat steps 11. To 13. But replace the hairdryer with a fan.
  7. Makes sure you have a total of 20 data values, with 10 data values for each one.

(e) Risk, Assessment and Management: Identify any potential risks and safety precautions to be taken.

Risk

Assessment

Management

When drilling the holes of the wooden board, student may be injured in the process

High

Students may need to request help from teachers to help drill the holes for the wooden cardboard.

When using the hairdryer, student may not practice safety and other students may get electrocuted.

Medium

Make sure there are no liquids nearby the hairdryer and students must not have wet hands when using the hairdryer.

It is also possible that when cutting the bottles, students may injure themselves

Low

Make sure that students take care of themselves and wear protective gloves.

When using handling the plastic bottles that are cut, the edges of the cut plastic bottles might be sharp and thus might cut the student.

Medium

Ensure that the student holds the opening of the plastic bottle instead of holding the sharp part of the plastic bottle.

The thermometer might break and the alcohol inside may be spilled

High

Use infrared thermometers

Legend

Low

Unlikely and not severe harm

Medium

Likely but not severe OR Unlikely but severe

High

Likely and Severe harm

Table 3: Risk Assessment and Management table

(f) Data Analysis: Describe the procedures you will use to analyze the data/results that answer engineering goals

  1. Tabulate the data and calculate the average temperature that is lowered down for each set-up, one for the set-up that uses the fan to blow in air into the bottles, the other using a hairdryer to blow in the air into the bottles.
  2. Plot a graph of the temperature of the air that is blown into the bottles and the temperature of the air after the bottles have cooled the air down, with one bar graph for each of the set-up, one for the set-up that uses the fan to blow in air into the bottles, the other using a hairdryer to blow in the air into the bottles.
  3. From the graph, we can find out if the eco-coolers are eco-friendly and whether they are able to lower down the temperature of the air that is blown into the bottles.  (The aim)

F. Bibliography: List at least five (5) major sources (e.g. science journal articles, books, internet sites) from your literature review. If you plan to use vertebrate animals, one of these references must be an animal care reference. Choose the APA format and use it consistently to reference the literature used in the research plan. List your entries in alphabetical order for each type of source.

(a) Websites

How does the Eco-Cooler air conditioner really work? (n.d.). Retrieved March 08, 2017, from http://physics.stackexchange.com/questions/261284/how-does-the-eco-cooler-air-conditioner-really-work

Dailymail.com, S. L. (2016, June 10). How to cool your apartment for free: DIY aircon uses old plastic bottles - and is already used in used in 25,000 Indian homes. Retrieved March 08, 2017, from http://www.dailymail.co.uk/sciencetech/article-3635710/How-cool-apartment-free-Electricity-free-DIY-aircon-uses-old-plastic-bottles-used-used-25-000-Indian-homes.html

This amazing Bangladeshi air cooler is made from plastic bottles and uses no electricity. (2016, August 01). Retrieved March 08, 2017, from http://inhabitat.com/this-amazing-bangladeshi-air-cooler-is-made-from-plastic-bottles-and-uses-no-electricity/

How Bangladeshi inventors are making eco-friendly air conditioners from plastic bottles. (2016, July 20). Retrieved March 08, 2017, from http://observers.france24.com/en/20160602-bangladesh-air-conditioner-plastic-bottles-technology

Monday 09, May 2016 at 12:38 PM by CB. (n.d.). Grey Dhaka and Grameen Intel Social Business Ltd develop The Eco-Cooler: a zero electricity air cooler using cut in half recycled plastic bottles. Retrieved March 08, 2017, from http://www.campaignbriefasia.com/2016/05/grey-dhaka-and-grameen-intel-s.html

Eco-efficiency evaluation of a smart window prototype. (n.d.). Retrieved March 08, 2017, from http://www.sciencedirect.com/science/article/pii/S0048969705007965http://www.tpub.com/weather2/3-22.htm 

WIND TUNNEL TESTING ON AIRFLOW AND TEMPERATURE DISTRIBUTION OF A NATURALLY VENTILATED GREENHOUSE. (n.d.). Retrieved March 08, 2017, from http://www.actahort.org/books/148/148_42.htm

Hicks, R. (2016, May 09). Grey Dhaka unveils world's first zero-electricity air cooler made from plastic bottles. Retrieved March 08, 2017, from http://www.mumbrella.asia/2016/05/grey-introduces-the-worlds-first-zero-electricity-air-cooler-using-re-purposed-plastic-bottles/

Eco-Cooler - world's first zero-electricity air cooler made from plastic bottles. (n.d.). Retrieved March 08, 2017, from https://www.metabunk.org/eco-cooler-world%E2%80%99s-first-zero-electricity-air-cooler-made-from-plastic-bottles.t7689/