Vol. 13
Latest Volume
All Volumes
PIERM 115 [2023] PIERM 114 [2022] PIERM 113 [2022] PIERM 112 [2022] PIERM 111 [2022] PIERM 110 [2022] PIERM 109 [2022] PIERM 108 [2022] PIERM 107 [2022] PIERM 106 [2021] PIERM 105 [2021] PIERM 104 [2021] PIERM 103 [2021] PIERM 102 [2021] PIERM 101 [2021] PIERM 100 [2021] PIERM 99 [2021] PIERM 98 [2020] PIERM 97 [2020] PIERM 96 [2020] PIERM 95 [2020] PIERM 94 [2020] PIERM 93 [2020] PIERM 92 [2020] PIERM 91 [2020] PIERM 90 [2020] PIERM 89 [2020] PIERM 88 [2020] PIERM 87 [2019] PIERM 86 [2019] PIERM 85 [2019] PIERM 84 [2019] PIERM 83 [2019] PIERM 82 [2019] PIERM 81 [2019] PIERM 80 [2019] PIERM 79 [2019] PIERM 78 [2019] PIERM 77 [2019] PIERM 76 [2018] PIERM 75 [2018] PIERM 74 [2018] PIERM 73 [2018] PIERM 72 [2018] PIERM 71 [2018] PIERM 70 [2018] PIERM 69 [2018] PIERM 68 [2018] PIERM 67 [2018] PIERM 66 [2018] PIERM 65 [2018] PIERM 64 [2018] PIERM 63 [2018] PIERM 62 [2017] PIERM 61 [2017] PIERM 60 [2017] PIERM 59 [2017] PIERM 58 [2017] PIERM 57 [2017] PIERM 56 [2017] PIERM 55 [2017] PIERM 54 [2017] PIERM 53 [2017] PIERM 52 [2016] PIERM 51 [2016] PIERM 50 [2016] PIERM 49 [2016] PIERM 48 [2016] PIERM 47 [2016] PIERM 46 [2016] PIERM 45 [2016] PIERM 44 [2015] PIERM 43 [2015] PIERM 42 [2015] PIERM 41 [2015] PIERM 40 [2014] PIERM 39 [2014] PIERM 38 [2014] PIERM 37 [2014] PIERM 36 [2014] PIERM 35 [2014] PIERM 34 [2014] PIERM 33 [2013] PIERM 32 [2013] PIERM 31 [2013] PIERM 30 [2013] PIERM 29 [2013] PIERM 28 [2013] PIERM 27 [2012] PIERM 26 [2012] PIERM 25 [2012] PIERM 24 [2012] PIERM 23 [2012] PIERM 22 [2012] PIERM 21 [2011] PIERM 20 [2011] PIERM 19 [2011] PIERM 18 [2011] PIERM 17 [2011] PIERM 16 [2011] PIERM 14 [2010] PIERM 13 [2010] PIERM 12 [2010] PIERM 11 [2010] PIERM 10 [2009] PIERM 9 [2009] PIERM 8 [2009] PIERM 7 [2009] PIERM 6 [2009] PIERM 5 [2008] PIERM 4 [2008] PIERM 3 [2008] PIERM 2 [2008] PIERM 1 [2008]
2010-07-09
SAR and Temperature Elevation in a Multi-Layered Human Head Model Due to an Obliquely Incident Plane Wave
By
Progress In Electromagnetics Research M, Vol. 13, 95-108, 2010
Abstract
In this paper, the Specific Absorption Rate (SAR) distribution in a human head irradiated by an obliquely incident electromagnetic plane wave is studied. A simple planar multi-layered structure is used to model the human head. Moreover, the steady state thermal elevation distribution is calculated by solving the bioheat equation using the finite difference time domain (FDTD) method. Both types of wave polarization (perpendicular and parallel) will be discussed. The obtained results confirm the importance of performing a thermal analysis along with the dosimetric one. It is found that the induced temperature elevation in the brain region, in all the examined conditions, never exceeds 0.4℃. This value is well below the threshold for the induction of adverse thermal effects to the neurons which is 3.5℃.
Citation
Ayman I. Sabbah Nihad I. Dib Moh'd A. Al-Nimr , "SAR and Temperature Elevation in a Multi-Layered Human Head Model Due to an Obliquely Incident Plane Wave," Progress In Electromagnetics Research M, Vol. 13, 95-108, 2010.
doi:10.2528/PIERM10051502
http://www.jpier.org/PIERM/pier.php?paper=10051502
References

1. IEEE, "IEEE standard for safety levels with respect to human exposure to radio frequency electromagnetic fields, 3 kHz to 300 GHz," IEEE Std C95.1-2005, 2005.

2. International Commission on Non-ionizing Radiation Protection (ICNIRP) , Guidelines for limiting exposure to time-varying electric, magnetic, and electromagnetic fields (up to 300 GHz) , Health Physics Society, 1998.

3. Riu, P. J. and K. R. Foster, "Heating of tissue by near-field exposure to a dipole: A model analysis," IEEE Transaction on Biomedical Engineering, Vol. 46, No. 8, 911-917, 1999.
doi:10.1109/10.775400

4. Khalatbari, S., D. Sardari, A. A. Mirzaee, and H. A. Sadafi, "Calculating SAR in two models of the human head exposed to mobile phones radiations at 900 and 1800 MHz," PIERS Online, Vol. 2, No. 1, 104-109, 2006.
doi:10.2529/PIERS050905190653

5. Bernardi, P., M. Cavagnaro, S. Pisa, and E. Piuzzi, "Power absorption and temperature elevations induced in the human head by a dual-band monopole-helix antenna phone," IEEE Trans. Microwave Theory Tech., Vol. 49, No. 12, 2539-2546, 2001.
doi:10.1109/22.971647

6. Abdalla, A. and A. Teoh, "A multi layered model of human head irradiated by electromagnetic plane wave of 100 MHz-300 GHz," Int. J. Sci. Res., Vol. 15, 1-7, 2005.

7. Andreuccetti, D., R. Fossi, and C. Petrucci, "Dielectric properties of the body tissues,", last retrieved on Dec. 2009, http://niremf.ifac.cnr.it/tissprop/htmlclie/htmlclie.htm.

8. Furse, C., D. A. Christensen, and C. H. Durney, Basic Introduction to Bioelectromagnetics, 2nd Ed., CRC Press, 2009.

9. Omar, A. A., Q. M. Bashayreh, and A. M. Al-Shamali, "Investigation of the effect of obliquely incident plane wave on a human head at 900MHz and 1800 MHz ," Int. J. of RF and Microwave CAE, Vol. 20, No. 2, 133-140, March 2010.

10. Moneda, A. P., M. P. Ioannidou, and D. P. Chrissoulidis, "Radio-wave exposure of the human head: Analytical study based on a versatile eccentric spheres model including a brain core and pair of eyeballs," IEEE Transactions on Biomedical Engineering, Vol. 50, No. 6, 667-676, June 2003.
doi:10.1109/TBME.2003.812222

11. Pennes, H. H., "Analysis of tissue and arterial blood temperatures in resting forearm," J. Applied Physiology, Vol. 1, No. 2, 93-122, August 1948.

12. Hirata, A., K. Shirai, and O. Fujiwara, "On averaging mass of SAR correlating with temperature elevation due to a dipole antenna," Progress In Electromagnetics Research, Vol. 84, 221-237, 2008.
doi:10.2528/PIER08072704

13. Wang, J. and O. Fujiwara, "FDTD computation of temperature rise in the human head for portable telephones," IEEE Transaction on Microwave Theory Technology, Vol. 47, 1528-1534, 1999.
doi:10.1109/22.780405

14. Gasmelseed, A. and J. Yunus, "Specific absorption rate (SAR) on the human head as function of orientation of plane wave radiation: FDTD-based analysis," Second Asia International Conference on Modelling & Simulation, 959-962, 2008.
doi:10.1109/AMS.2008.193

15. Chen, H.-Y. and H.-P. Yang, "Temperature increase in human heads due to different models of cellular phones," Electromagnetics, Vol. 26, 439-459, 2006.
doi:10.1080/02726340600837891