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Scenarios approach to the electromagnetic exposure: the case study of a train compartment.

Paffi A, Apollonio F, Pinto R, Liberti M - Biomed Res Int (2015)

Bottom Line: Previous studies identified the train compartment as the place where people can experience the highest exposure levels (still below the international guideline limits) to electromagnetic fields in the radiofrequency range.Here a possible scenario of a train compartment has been reproduced and characterized, both numerically and experimentally.A good agreement between the simulated electric field distributions and measurements has been found.

View Article: PubMed Central - PubMed

Affiliation: Department of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, 00184 Rome, Italy ; Italian Inter-University Center of Electromagnetic Fields and Biosystems (ICEmB), 16145 Genoa, Italy.

ABSTRACT
Previous studies identified the train compartment as the place where people can experience the highest exposure levels (still below the international guideline limits) to electromagnetic fields in the radiofrequency range. Here a possible scenario of a train compartment has been reproduced and characterized, both numerically and experimentally. A good agreement between the simulated electric field distributions and measurements has been found. Results indicate that the higher values of exposure in specific positions inside the train compartment depend on the number of active cell phones, the bad coverage condition, the cell orientation, and the presence of metallic walls. This study shows that the proposed approach, based on the scenarios characterization, may efficiently support the assessment of the individual electromagnetic exposure.

No MeSH data available.


Related in: MedlinePlus

Numerical model of the cell phone (a) with a detail of the helix antenna (b).
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fig2: Numerical model of the cell phone (a) with a detail of the helix antenna (b).

Mentions: According to [28], each cell phone was modeled as a box (0.100 × 0.043 × 0.024 m3) of perfect electric conductor (PEC) covered with 2 mm of plastic material (εr = 2), except for the face where a helix antenna is placed (see Figure 2). The antenna was fed using a waveguide port with 1 W input power, as defined in default conditions of CST. Suitable scaling factors, accounting for plausible values of the antenna gains, were considered in order to simulate cell phones irradiating the maximum power of 2 W [29].


Scenarios approach to the electromagnetic exposure: the case study of a train compartment.

Paffi A, Apollonio F, Pinto R, Liberti M - Biomed Res Int (2015)

Numerical model of the cell phone (a) with a detail of the helix antenna (b).
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC4352733&req=5

fig2: Numerical model of the cell phone (a) with a detail of the helix antenna (b).
Mentions: According to [28], each cell phone was modeled as a box (0.100 × 0.043 × 0.024 m3) of perfect electric conductor (PEC) covered with 2 mm of plastic material (εr = 2), except for the face where a helix antenna is placed (see Figure 2). The antenna was fed using a waveguide port with 1 W input power, as defined in default conditions of CST. Suitable scaling factors, accounting for plausible values of the antenna gains, were considered in order to simulate cell phones irradiating the maximum power of 2 W [29].

Bottom Line: Previous studies identified the train compartment as the place where people can experience the highest exposure levels (still below the international guideline limits) to electromagnetic fields in the radiofrequency range.Here a possible scenario of a train compartment has been reproduced and characterized, both numerically and experimentally.A good agreement between the simulated electric field distributions and measurements has been found.

View Article: PubMed Central - PubMed

Affiliation: Department of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, 00184 Rome, Italy ; Italian Inter-University Center of Electromagnetic Fields and Biosystems (ICEmB), 16145 Genoa, Italy.

ABSTRACT
Previous studies identified the train compartment as the place where people can experience the highest exposure levels (still below the international guideline limits) to electromagnetic fields in the radiofrequency range. Here a possible scenario of a train compartment has been reproduced and characterized, both numerically and experimentally. A good agreement between the simulated electric field distributions and measurements has been found. Results indicate that the higher values of exposure in specific positions inside the train compartment depend on the number of active cell phones, the bad coverage condition, the cell orientation, and the presence of metallic walls. This study shows that the proposed approach, based on the scenarios characterization, may efficiently support the assessment of the individual electromagnetic exposure.

No MeSH data available.


Related in: MedlinePlus