Includes bibliographical references.
|Series||Documents of the NRPB -- vol.15, no.1|
|Contributions||Great Britain. National Radiological Protection Board.|
|The Physical Object|
|Number of Pages||55|
Document of the NRPB - Volume 15 Number 1 - Particle Deposition in the Vicinity of Power Lines and Possible Effects on Health - Report of an Independent Advisory Group on non-Ionising Radiation and its Ad Hoc Group on Corona Ions is part of the Occupational Health & Safety Information Service's online subscription. Bringing you a comprehensive selection of legislation, regulations, guidance. Transport and deposition processes of particles in the human lung can be described by the following convection-diffusion equation: (1) (A + v) ∂ C ∂ t + Q ∂ C ∂ x = ∂ ∂ x (A D ∂ C ∂ x) − L where C is particle number concentration, A is the cross-sectional area of airways and v is the alveolar volume per unit length of airway Cited by: The effects of external electric fields on deposition of particles in the respiratory tract, if any, are likely to be very small (paragraph ). Deposition on the skin The additional charges on particles downwind of power lines could also lead to increased deposition on exposed skin. Advisory Group on Non-Ionising Radiation () Particle Deposition in the Vicinity of Power Lines and Possible Effects on Health. National Radiological Protection Board. National Radiological.
effects of particle-surface interaction and particle density on particle deposition and dispersion are also studied. PARTICLE EQUATION OF MOTION The equation of motion of a small aerosol particle including the lift force is given by du f - 36 v - (ui - up) dt d2(2S+ 1)C, and where, uf is the velocity of the particle. James S. Brown, in Comparative Biology of the Normal Lung (Second Edition), Summary. Particle deposition in the respiratory tract occurs predominantly by diffusion, impaction, and sedimentation. Deposition is minimal for particle diameters in the range of – μm, where particles are small enough to have minimal sedimentation or impaction and sufficiently large so as to have. AGNIR - Advisory Group on Non-Ionising Radiation Particle deposition in the vicinity of power lines and possible effects on health. Chilton: National Radiological Protection Board 15 Documents of the NRPB. Google Scholar.  NRPB, Particle deposition in the vicinity of power lines and possible effects on assessment and effects on deposition in the lungs of rats, Am. Ind. Hyg. Assoc. J., 41, (),
Particle Deposition in the Vicinity of Power Lines and Possible Effects on Health. National Radiological Protection Board. Documents of the NRPB: Chilton, UK; Ahlbom A, Day N, Feychting M, Roman E, Skinner J, Dockerty J, Linet M, McBride M, Michaelis J, Olsen JH, Tynes T, Verkasalo PK. A pooled analysis of magnetic fields and childhood leukaemia. powerful electric fields on the deposition of airborne particles. The relevance of this to power lines entered public consciousness in with the publication of two papers by Henshaw and colleaguesHigh energy power systems, they pointed out, cause some breakdown in the surrounding air molecules and so generate positive or negative ions. Similar results on the vertical concentration-profiles of airborne particles in a room have been obtained, by using an optical system (Micallef et al., ).Said monitoring system, in addition to be too complex, makes it possible to measure only micron-sized particles, while the largest contribute to the health effects is due to the nanometer-sized-particles (Nazaroff and Cass, , Thatcher. Particulate fouling and particle deposition at elevated temperature are crucial issues in microchannel heat exchangers. In this work, a microfluidic system was designed to examine the hydrodynamic effects on the deposition of microparticles in a microchannel flow, which simulate particle deposits in microscale heat exchangers.