Improvised Air Conditioner 494c34
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- Pages: 23
I.
INTRODUCTION Air conditioner is a device for cooling and controlling the humidity and purity of
the air circulating in a space. As day time is starting to become more and more unbearable, as fans would only constantly stir the hot sticky air around, so the researchers ended up in choosing this topic. The researchers chose this topic mainly because of the hot weather here in the Philippines especially here in Cabanatuan City that has an average temperature of twenty nine point ninety five degrees Celsius (29.95 ºC). The constant high temperature was the main reason this came up to the researchers’ minds. This particular design is a lowmaintenance version that requires no water drainage. The materials needed to conduct the product were also cheap and easy to find, which was very sufficient for people to make.
II.
OBJECTIVES
The objective of the improvised air conditioner is to help people to make the weather little more bearable. Not only that, but it aims to substitute a high class and expensive air conditioner to make it affordable, easy to make, rather effective, portable and reusable. The purpose of the project is to provide a cool air without consuming a lot of electricity. At the same time, it may help the s to cool their drinks while using it. In addition, the researchers intend to identify which voltage can give the lowest temperature, slowest melting time, the highest percentage of relative humidity and what is best to use.
1
III.
MATERIALS AND METHOD
Materials used Researchers used the following materials 1. DC brushless fan - used to ventilate the ice. 2. Elbow PVC pipe – used for the air age. 3. Digital thermometer with external probe – used for measuring the temperature coming out from the pipe. 4. 1000 mA Adaptor – used for changing the amount of voltage. 5. Styrofoam ice box – used for preserving the ice. 6. Cutter – used for making an opening to the box. 7. Electric tape – used for covering the wires. 8. Marker – used for marking the Styrofoam. 9. Tube ice – it was the source of cold air. 10. Screw driver – used for tightening the screws. 11. Scissors – used for cutting the wires. 12. Omni Switch – used for tuning on and off of the device.
Procedures in Construction of Improvised Air Conditioner 1. Buy and prepare all the materials needed. 2. Mark the Styrofoam according to the size of the brushless fan, omni surface switch and elbow PVC pipe. 3. Carefully cut the Styrofoam.
2
4. Install the brushless fan, omni surface switch and the elbow PVC pipe in the Styrofoam. 5. Remove at least an inch of the rubber that covers the wires of the 12 V fan and the 1000 mA adaptor. 6. Connect the wires of the DC brushless fan by twisting and tightening the end in the screw. 7. Connect the wires of the 1000 mA adaptor by twisting and tightening the end to the other screw. 8. Put the 5 kilogram ice on the Styrofoam ice box. 9. Plug the adaptor. 10. Turn on the switch. 11. Use the digital thermometer with external probe for the temperature.
IV.
RESULTS
Mass of Tube
Time Interval
Ice (kg)
(minutes)
T(ºC)
15
20.5
5
6V
30
20.7
45
20.1
%RH
9V T(ºC)
%RH
12V T(ºC)
%RH
3
Mass of Ice
Time Interval
Block (kg)
(minutes)
6V T(ºC)
%RH
9V T(ºC)
12V
%RH
T(ºC)
%RH
15 5
30 45
Relativity between temperature and time (Tube Ice)
21
20
19 6V 18
9V 12V
17
16
15 15
30
45
Time (minutes) The graph shows that 6 volts has the highest temperature and slowest melting time while at 9 volts the temperature was lessened and has quicker melting time but at 12 volts the temperature reached the lowest temperature yet has the fastest melting time. 4
Relativity between time and relative humidity (Tube Ice)
61 60 59 58
6V 9V
57
12V
56 55 54 15
30
45
Time (minutes)
The graph shows that 6 volts has the lowest relative humidity while 9 volts has higher relative humidity but at 12 volts the relative humidity gradually increased and has the highest percentage with respect to time.
5
Relativity between temperature and time (Ice Block)
25
20
15 6V 9V 10
12V
5
0 15
30
45
Time (minutes) The graph shows that 6 volts has the highest and slowest melting time while at 9 volts the temperatures were lower but it gradually increased. The 12 volts has the lowest temperatures yet has the fastest melting time.
6
Relativity between time and relative humidity (Ice Block)
66 64 62 60
6V 9V
58
12V
56 54 52 15
30
45
Time (minutes) The graph shows that 6 volts has the lowest percentage of relative humidity while 9 volts has higher relative humidity yet it gradually decreased. Also, at 12 volts the relative humidity gradually has the highest percentage with respect to time.
7
V.
DISCUSSION
The researchers found out that when the ice used was tube ice, the lowest voltage has the highest temperatures and almost consistent that the temperature was not enough to cool a 20 square meter room while when the voltage used was higher the temperature was lessened and has quicker melting time but when the highest voltage was used it has reached its lowest temperature but has the fastest melting time. The researchers also found out that when the ice used was tube ice, the voltage was directly proportional to the percentage of relative humidity, the higher the voltage the higher relative humidity. Meanwhile, when ice block was used the voltage was indirectly proportional to the temperature; as the voltage decreased the temperature increased while the percentage relative humidity was directly proportional to the voltage; as the voltage increased the percentage relative humidity also increased.
VI.
CONCLUSION The researchers conclude that the improvised air conditioner can help people to
make the weather little more bearable. The improvised air conditioner was more affordable than the high class but expensive air conditioners, easy to make, rather effective, portable and can be used again. The improvised air conditioner can also supply a cool air without consuming a lot of electricity. At the same time, it can serve as a cooler to their drinks. The researchers also found out that when the tube ice was used, 12 volts has the lowest temperature and 6 volts has the slowest melting time. Also, the 12 volts has 8
the highest percentage of relative humidity and the best voltage to use in a limited amount of ice was 9 volts. Otherwise, when the ice used was ice block 12 volts has the lowest temperature and 6 volts has the slowest melting time. In addition, 12 volts was the highest percentage relative humidity and also the best voltage to use.
VII. Shark
REFERENCE Nazrin
(2013).
Excersice.
Retrieved
from
http://www.studymode.com/essays/Excersice-45496807.html on September 22, 2014
9
Appendix A. Working Drawing Assembly
1
3 4
2 5
6
1 - Styrofoam Ice Box 2 - Digital Thermometer with External Probe 3 - Omni Switch 4 - Elbow PVC Pipe 5 - 12 Volts Fan 6 - 1000mA Adaptor Sectional
10
Adaptor
Digital thermometer with external probe
11
DC brushless fan
Omni switch
12
PVC pipe
Styrofoam Ice box
13
Appendix B. Bill of Materials QUANTITY
1
UNIT
ITEM
UNIT
TOTAL
COST
COST
piece
1000 mA Ac Dc Adaptor
240.00
240.00
piece
Elbow PVC pipe
25.00
25.00
1
piece
For covering the wires
10.00
10.00
1
piece
Cutter
16.00
16.00
1
piece
Switch
40.00
40.00
1
piece
Styrofoam ice box
220.00
220.00
1
piece
DC brushless fan
50.00
50.00
5
kilogram
Tube ice
35.00
175.00
1
piece
Digital thermometer with
210.00
210.00
external probe TOTAL COST
₱986.00
14
Appendix C.
Cutting the Styrofoam according to the size of DC Brushless fan casing
Cutting the Styrofoam according to the size of elbow PVC pipe
15
Mounting the elbow PVC pipe
Installing the Brushless fan
16
Cutting the coat of the wire
Tightening the wires to the screws
17
Setting up the switch on top of the Styrofoam
Putting ice tubes in the Styrofoam ice box
18
Plugging the adaptor to the outlet
Switching on the digital thermometer external probe
19
GROUP PROFILE I.
PERSONAL INFORMATION
Name: Neah Eden Ladignon Bernardo
Gender: Female
Birthday: September 18, 1995
Age: 19
Height: 5’7”
Weight: 48 kg
Home Address: #071 Briones Village San Isidro Cabanatuan City Email Address: [email protected] Father: Nestor Santos Bernardo
Phone number: N/A
Mother: Estrelita Ladignon Bernardo
Phone number: 0917-566-2964
Religion: Christian
II.
EDUCATIONAL BACKGROUND
Level
Name of School
Elementary High school College
III.
Wesleyan UniversityPhilippines Wesleyan UniversityPhilippines Nueva Ecija University of Science and Technology
Address Mabini Extension, Cabanatuan City Mabini Extension, Cabanatuan City General Tinio, Cabanatuan City
Year Graduated 2008 2012
Honors Received 1st Special Mention 4th Special Mention
3rd Year
hip to Organization
Name of Organization Philippine Institute of Civil Engineers (NEUST Chapter) Model of Association of Talented, Responsible and Intelligent Civil Engineering Students
Position Member Member
20
I.
PERSONAL INFORMATION
Name: Joana Mae Pereda Yumol
Gender: Female
Birthday: May 15, 1996
Age: 18
Height: 5’2”
Weight: 46 kg
Home Address: 168 San Roque, San Leonardo, Nueva Ecija Email Address: [email protected] Father: Esmeraldo Jimenez Yumol
Phone number: 09065684733
Mother: Wilma Pereda Yumol
Phone number: 09155191931
Religion: Catholic
II.
EDUCATIONAL BACKGROUND
Level Elementary High school College
III.
Address
Year Graduated
Honors Received
San Roque, San Leonardo
2008
5th Honors
San Vicente, Gapan City
2012
Academic commendation
General Tinio, Cabanatuan City
3rd Year
Name of School San Roque Elementary School Divina Pastora College Nueva Ecija University of Science and Technology
hip to Organization
Name of Organization Philippine Institute of Civil Engineers (NEUST Chapter) Model of Association of Talented, Responsible and Intelligent Civil Engineering Students
Position Member Member
21
I.
PERSONAL INFORMATION
Name: Hazel Tien Pineda Mañacop
Gender: Female
Birthday: July 22, 1996
Age: 18
Height: 5’6
Weight: 55 kls.
Home Address: #080 Francisco st. Mabini Ext. Cabanatuan City Email Address: [email protected] Father: Orlando Pineda Mañacop
Phone number: 0935-293-3323
Mother: Elizabeth Pineda Mañacop
Phone number: 0917-341-3559
Religion: Roman Catholic
II.
EDUCATIONAL BACKGROUND
Level Elementary High school College
III.
Name of School
Address
New Horizon Montessori Academy Talavera National High school Nueva Ecija University of Science and Technogy
Poblacion Sur, Talavera, Nueva Ecija Pag-asa Dist. Talavera, Nueva Ecija Gen.Tinio St. Cabanatuan City
Year Graduated
Honors Received
2008
Honorable mention
2012 3rd year
hip to Organization
Name of Organization Philippine Institute of Civil Engineers (NEUST Chapter) Model of Association of Talented, Responsible and Intelligent Civil Engineering Students Guidance and Counseling Organization
Position Member Member Vice President (College of Engineering)
22
I.
PERSONAL INFORMATION
Name: Jayvee Binuya dela Cruz
Gender: Male
Birthday: June 23, 1996
Age: 18
Height: 5’7 1/2
Weight: 63 kg.
Home Address: Villa Luz Subdivision, Cabanatuan City. Email Address: [email protected] Father: Romeo Galay dela Cruz
Phone number: 0936-777-6592
Mother: Mary Joy Binuya dela Cruz
Phone number: 0936-675-9551
Religion: Roman Catholic II.
EDUCATIONAL BACKGROUND
Level
Name of School
Elementary High school
College
III.
Mabini Homesite Elementary School Nueva Ecija University of Science and Technology Nueva Ecija University of science and technology
Address
Year Graduated
Honors Received
Brgy. Mabini Homesite, Cabanatuan City
2008
2nd Honor
Gen. Tinio Street, Cabanatuan City
2012
Gen. Tinio st. Cabanatuan City
3rd year
hip to Organization
Name of Organization Philippine Institute of Civil Engineers (NEUST Chapter) Model of Association of Talented, Responsible and Intelligent Civil Engineering Students
Position Member Member
23
INTRODUCTION Air conditioner is a device for cooling and controlling the humidity and purity of
the air circulating in a space. As day time is starting to become more and more unbearable, as fans would only constantly stir the hot sticky air around, so the researchers ended up in choosing this topic. The researchers chose this topic mainly because of the hot weather here in the Philippines especially here in Cabanatuan City that has an average temperature of twenty nine point ninety five degrees Celsius (29.95 ºC). The constant high temperature was the main reason this came up to the researchers’ minds. This particular design is a lowmaintenance version that requires no water drainage. The materials needed to conduct the product were also cheap and easy to find, which was very sufficient for people to make.
II.
OBJECTIVES
The objective of the improvised air conditioner is to help people to make the weather little more bearable. Not only that, but it aims to substitute a high class and expensive air conditioner to make it affordable, easy to make, rather effective, portable and reusable. The purpose of the project is to provide a cool air without consuming a lot of electricity. At the same time, it may help the s to cool their drinks while using it. In addition, the researchers intend to identify which voltage can give the lowest temperature, slowest melting time, the highest percentage of relative humidity and what is best to use.
1
III.
MATERIALS AND METHOD
Materials used Researchers used the following materials 1. DC brushless fan - used to ventilate the ice. 2. Elbow PVC pipe – used for the air age. 3. Digital thermometer with external probe – used for measuring the temperature coming out from the pipe. 4. 1000 mA Adaptor – used for changing the amount of voltage. 5. Styrofoam ice box – used for preserving the ice. 6. Cutter – used for making an opening to the box. 7. Electric tape – used for covering the wires. 8. Marker – used for marking the Styrofoam. 9. Tube ice – it was the source of cold air. 10. Screw driver – used for tightening the screws. 11. Scissors – used for cutting the wires. 12. Omni Switch – used for tuning on and off of the device.
Procedures in Construction of Improvised Air Conditioner 1. Buy and prepare all the materials needed. 2. Mark the Styrofoam according to the size of the brushless fan, omni surface switch and elbow PVC pipe. 3. Carefully cut the Styrofoam.
2
4. Install the brushless fan, omni surface switch and the elbow PVC pipe in the Styrofoam. 5. Remove at least an inch of the rubber that covers the wires of the 12 V fan and the 1000 mA adaptor. 6. Connect the wires of the DC brushless fan by twisting and tightening the end in the screw. 7. Connect the wires of the 1000 mA adaptor by twisting and tightening the end to the other screw. 8. Put the 5 kilogram ice on the Styrofoam ice box. 9. Plug the adaptor. 10. Turn on the switch. 11. Use the digital thermometer with external probe for the temperature.
IV.
RESULTS
Mass of Tube
Time Interval
Ice (kg)
(minutes)
T(ºC)
15
20.5
5
6V
30
20.7
45
20.1
%RH
9V T(ºC)
%RH
12V T(ºC)
%RH
3
Mass of Ice
Time Interval
Block (kg)
(minutes)
6V T(ºC)
%RH
9V T(ºC)
12V
%RH
T(ºC)
%RH
15 5
30 45
Relativity between temperature and time (Tube Ice)
21
20
19 6V 18
9V 12V
17
16
15 15
30
45
Time (minutes) The graph shows that 6 volts has the highest temperature and slowest melting time while at 9 volts the temperature was lessened and has quicker melting time but at 12 volts the temperature reached the lowest temperature yet has the fastest melting time. 4
Relativity between time and relative humidity (Tube Ice)
61 60 59 58
6V 9V
57
12V
56 55 54 15
30
45
Time (minutes)
The graph shows that 6 volts has the lowest relative humidity while 9 volts has higher relative humidity but at 12 volts the relative humidity gradually increased and has the highest percentage with respect to time.
5
Relativity between temperature and time (Ice Block)
25
20
15 6V 9V 10
12V
5
0 15
30
45
Time (minutes) The graph shows that 6 volts has the highest and slowest melting time while at 9 volts the temperatures were lower but it gradually increased. The 12 volts has the lowest temperatures yet has the fastest melting time.
6
Relativity between time and relative humidity (Ice Block)
66 64 62 60
6V 9V
58
12V
56 54 52 15
30
45
Time (minutes) The graph shows that 6 volts has the lowest percentage of relative humidity while 9 volts has higher relative humidity yet it gradually decreased. Also, at 12 volts the relative humidity gradually has the highest percentage with respect to time.
7
V.
DISCUSSION
The researchers found out that when the ice used was tube ice, the lowest voltage has the highest temperatures and almost consistent that the temperature was not enough to cool a 20 square meter room while when the voltage used was higher the temperature was lessened and has quicker melting time but when the highest voltage was used it has reached its lowest temperature but has the fastest melting time. The researchers also found out that when the ice used was tube ice, the voltage was directly proportional to the percentage of relative humidity, the higher the voltage the higher relative humidity. Meanwhile, when ice block was used the voltage was indirectly proportional to the temperature; as the voltage decreased the temperature increased while the percentage relative humidity was directly proportional to the voltage; as the voltage increased the percentage relative humidity also increased.
VI.
CONCLUSION The researchers conclude that the improvised air conditioner can help people to
make the weather little more bearable. The improvised air conditioner was more affordable than the high class but expensive air conditioners, easy to make, rather effective, portable and can be used again. The improvised air conditioner can also supply a cool air without consuming a lot of electricity. At the same time, it can serve as a cooler to their drinks. The researchers also found out that when the tube ice was used, 12 volts has the lowest temperature and 6 volts has the slowest melting time. Also, the 12 volts has 8
the highest percentage of relative humidity and the best voltage to use in a limited amount of ice was 9 volts. Otherwise, when the ice used was ice block 12 volts has the lowest temperature and 6 volts has the slowest melting time. In addition, 12 volts was the highest percentage relative humidity and also the best voltage to use.
VII. Shark
REFERENCE Nazrin
(2013).
Excersice.
Retrieved
from
http://www.studymode.com/essays/Excersice-45496807.html on September 22, 2014
9
Appendix A. Working Drawing Assembly
1
3 4
2 5
6
1 - Styrofoam Ice Box 2 - Digital Thermometer with External Probe 3 - Omni Switch 4 - Elbow PVC Pipe 5 - 12 Volts Fan 6 - 1000mA Adaptor Sectional
10
Adaptor
Digital thermometer with external probe
11
DC brushless fan
Omni switch
12
PVC pipe
Styrofoam Ice box
13
Appendix B. Bill of Materials QUANTITY
1
UNIT
ITEM
UNIT
TOTAL
COST
COST
piece
1000 mA Ac Dc Adaptor
240.00
240.00
piece
Elbow PVC pipe
25.00
25.00
1
piece
For covering the wires
10.00
10.00
1
piece
Cutter
16.00
16.00
1
piece
Switch
40.00
40.00
1
piece
Styrofoam ice box
220.00
220.00
1
piece
DC brushless fan
50.00
50.00
5
kilogram
Tube ice
35.00
175.00
1
piece
Digital thermometer with
210.00
210.00
external probe TOTAL COST
₱986.00
14
Appendix C.
Cutting the Styrofoam according to the size of DC Brushless fan casing
Cutting the Styrofoam according to the size of elbow PVC pipe
15
Mounting the elbow PVC pipe
Installing the Brushless fan
16
Cutting the coat of the wire
Tightening the wires to the screws
17
Setting up the switch on top of the Styrofoam
Putting ice tubes in the Styrofoam ice box
18
Plugging the adaptor to the outlet
Switching on the digital thermometer external probe
19
GROUP PROFILE I.
PERSONAL INFORMATION
Name: Neah Eden Ladignon Bernardo
Gender: Female
Birthday: September 18, 1995
Age: 19
Height: 5’7”
Weight: 48 kg
Home Address: #071 Briones Village San Isidro Cabanatuan City Email Address: [email protected] Father: Nestor Santos Bernardo
Phone number: N/A
Mother: Estrelita Ladignon Bernardo
Phone number: 0917-566-2964
Religion: Christian
II.
EDUCATIONAL BACKGROUND
Level
Name of School
Elementary High school College
III.
Wesleyan UniversityPhilippines Wesleyan UniversityPhilippines Nueva Ecija University of Science and Technology
Address Mabini Extension, Cabanatuan City Mabini Extension, Cabanatuan City General Tinio, Cabanatuan City
Year Graduated 2008 2012
Honors Received 1st Special Mention 4th Special Mention
3rd Year
hip to Organization
Name of Organization Philippine Institute of Civil Engineers (NEUST Chapter) Model of Association of Talented, Responsible and Intelligent Civil Engineering Students
Position Member Member
20
I.
PERSONAL INFORMATION
Name: Joana Mae Pereda Yumol
Gender: Female
Birthday: May 15, 1996
Age: 18
Height: 5’2”
Weight: 46 kg
Home Address: 168 San Roque, San Leonardo, Nueva Ecija Email Address: [email protected] Father: Esmeraldo Jimenez Yumol
Phone number: 09065684733
Mother: Wilma Pereda Yumol
Phone number: 09155191931
Religion: Catholic
II.
EDUCATIONAL BACKGROUND
Level Elementary High school College
III.
Address
Year Graduated
Honors Received
San Roque, San Leonardo
2008
5th Honors
San Vicente, Gapan City
2012
Academic commendation
General Tinio, Cabanatuan City
3rd Year
Name of School San Roque Elementary School Divina Pastora College Nueva Ecija University of Science and Technology
hip to Organization
Name of Organization Philippine Institute of Civil Engineers (NEUST Chapter) Model of Association of Talented, Responsible and Intelligent Civil Engineering Students
Position Member Member
21
I.
PERSONAL INFORMATION
Name: Hazel Tien Pineda Mañacop
Gender: Female
Birthday: July 22, 1996
Age: 18
Height: 5’6
Weight: 55 kls.
Home Address: #080 Francisco st. Mabini Ext. Cabanatuan City Email Address: [email protected] Father: Orlando Pineda Mañacop
Phone number: 0935-293-3323
Mother: Elizabeth Pineda Mañacop
Phone number: 0917-341-3559
Religion: Roman Catholic
II.
EDUCATIONAL BACKGROUND
Level Elementary High school College
III.
Name of School
Address
New Horizon Montessori Academy Talavera National High school Nueva Ecija University of Science and Technogy
Poblacion Sur, Talavera, Nueva Ecija Pag-asa Dist. Talavera, Nueva Ecija Gen.Tinio St. Cabanatuan City
Year Graduated
Honors Received
2008
Honorable mention
2012 3rd year
hip to Organization
Name of Organization Philippine Institute of Civil Engineers (NEUST Chapter) Model of Association of Talented, Responsible and Intelligent Civil Engineering Students Guidance and Counseling Organization
Position Member Member Vice President (College of Engineering)
22
I.
PERSONAL INFORMATION
Name: Jayvee Binuya dela Cruz
Gender: Male
Birthday: June 23, 1996
Age: 18
Height: 5’7 1/2
Weight: 63 kg.
Home Address: Villa Luz Subdivision, Cabanatuan City. Email Address: [email protected] Father: Romeo Galay dela Cruz
Phone number: 0936-777-6592
Mother: Mary Joy Binuya dela Cruz
Phone number: 0936-675-9551
Religion: Roman Catholic II.
EDUCATIONAL BACKGROUND
Level
Name of School
Elementary High school
College
III.
Mabini Homesite Elementary School Nueva Ecija University of Science and Technology Nueva Ecija University of science and technology
Address
Year Graduated
Honors Received
Brgy. Mabini Homesite, Cabanatuan City
2008
2nd Honor
Gen. Tinio Street, Cabanatuan City
2012
Gen. Tinio st. Cabanatuan City
3rd year
hip to Organization
Name of Organization Philippine Institute of Civil Engineers (NEUST Chapter) Model of Association of Talented, Responsible and Intelligent Civil Engineering Students
Position Member Member
23
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