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090920-001 Measuring bottle dimensions and volume
Date 20th September 2009
Tested by GK
Location Sydney, Australia
Test Procedure Measuring Pressure Vessel Volume
Measuring Pressure Vessel Dimensions
References N/A

Aim

  • To measure the change in size of a number of bottles under pressure.
  • To measure the change in volume of a number of bottles under pressure.

Experiment Setup

The standard procedures were used to measure the dimensions and volume of 8 common bottles.

Results

The following results were obtained from the experiment:

Bottle volume
increase
@60psi
( mL )
volume
increase
@120psi
( mL )
volume
increase
after return to 0psi
( mL )
height
increase
@60psi
( mm )
height
increase
@120psi
( mm )
Circumference
increase
@60psi
( mm )
Circumference
increase
@120psi
( mm )
2L bottle with ridge
PC_2000_001
48 157 24 2 6 2.5 8
2L Coke
PC_2000_003
59 192 34 2 7 2.5 8
2.25L with ridge
PC_2250_001
55 172 29 2 8.5 2.5 8.5
2L no ridge
PC_2000_002
58 170 27 1.5 4.5 2.5 8
2L Conical
PC_2000_004
50 128 11 2 6 2.5 7
1.25L Standard
PC_1250_001
25 70 5 1 2.5 2.5 5
1.25L spiral neck
PC_1250_002
24 65 6 2 3.5 2 5
600ml Coke
PC_0600_001
15 31 0 0.5 2.5 1 2.5

Conclusions / Analysis

  • Most of the bottles responded in a similar manner to being pressurised. At 120psi, 2L bottles increased by about 8mm in circumference,  lengthened by ~7mm and volume increased by about 170mL. At the same pressure 1.25L bottles increased their circumference by about 5mm, lengthened by 3mm and increased by about 70mL in volume.
  • After being pressurised to 120psi the bottles typically did not return to their original volume. The values given are the difference before and after pressurisation.


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