Have a personal or library account? Click to login
Design of Draw Resistance of Pressure Drop Standards for Tobacco Products Based on the Flow Distribution Cover

Design of Draw Resistance of Pressure Drop Standards for Tobacco Products Based on the Flow Distribution

Contributions to Tobacco & Nicotine Research
Volume 33 (2024): Issue 3 (June 2024)
By: Pengfei Zhang,  Congcong Li,  Rongchao Yang,  Zhandong Shi,  Zhihao Chen,  Kai Zhang and  Qian Miao  
Open Access
|Aug 2024

Figures & Tables

Figure 1.

Optical gaging product (OGP) test instrumentarium.
Optical gaging product (OGP) test instrumentarium.

Figure 2.

Geometric structure and schematic diagram of pressure drop standards.
Geometric structure and schematic diagram of pressure drop standards.

Figure 3.

Schematic diagram of pressure drop standard calibration device based on the critical flow orifice (CFO) method.
Schematic diagram of pressure drop standard calibration device based on the critical flow orifice (CFO) method.

Figure 4.

Schematic diagram of the developing and fully developed flow sections in a capillary of the pressure drop standard.
Schematic diagram of the developing and fully developed flow sections in a capillary of the pressure drop standard.

Figure 5.

Velocity cloud diagrams of the inlet and outlet sections.
Velocity cloud diagrams of the inlet and outlet sections.

Figure 6.

Schematic diagram of segmentation in the developing section.
Schematic diagram of segmentation in the developing section.

Figure 7.

Flow chart of the computational algorithm. Where N represents the number of capillaries and Ak represents the cross-sectional area of each capillary.
Flow chart of the computational algorithm. Where N represents the number of capillaries and Ak represents the cross-sectional area of each capillary.

Figure 8.

Comparison of experimental and calculated values.
Comparison of experimental and calculated values.

Geometric parameters of pressure drop standard_

ParameterCapillary no. (mm)
d1d2d3d4d5d6d7d8d9d10
Inner diameter of capillary0.6430.6350.6340.6350.6300.6300.6220.6370.6400.635
Diameter of pressure drop standard7.981
Length of pressure drop standard120.432

Inner diameter parameter table of different pressure drop standards_

Sample IDCapillary no. (mm)
d1d2d3d4d5d6d7d8d9d10
10.6430.6350.6340.6350.6300.6300.6220.6370.6400.635
20.5380.5320.5430.5390.5450.5480.5440.5480.5360.542
30.4790.4840.4850.4770.4910.4860.4810.4840.4780.480
40.4520.4420.4800.4630.4540.4580.4500.4630.4450.452
50.4320.4170.4290.4220.4180.4170.4270.4160.4130.424
60.4130.4220.4120.4150.4320.4280.4200.4180.4140.427
70.3720.3760.3760.3780.3800.3890.3740.3760.4000.384

Comparison of experimental and calculated values_

Sample IDExperimental draw resistance (Pa)Calculated draw resistance (Pa)Relative error (%)
1980.6974.39−0.63
21972.01875.04−7.10
32916.22903.03−0.45
43805.23634.33−4.49
54825.14836.750.24
65712.25377.19−5.86
77971.97513.70−5.75
DOI: https://doi.org/10.2478/cttr-2024-0006 | Journal eISSN: 2719-9509
Journal RSS Feed
Language: English
Page range: 164 - 172
Submitted on: Aug 18, 2023
Accepted on: Apr 24, 2024
Published on: Aug 10, 2024
Published by: Institut für Tabakforschung GmbH
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Structural parameters,
pressure drop standard,
design,
capillaries size,
length
Related subjects:
General interest,
Life sciences,
Life sciences, other,
Physics,
Physics, other

© 2024 Pengfei Zhang, Congcong Li, Rongchao Yang, Zhandong Shi, Zhihao Chen, Kai Zhang, Qian Miao, published by Institut für Tabakforschung GmbH
This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License.

Previous articleVolume 33 (2024): Issue 3 (June 2024)Next article