Natural Convection Flow of Fluids of Different Prandtl Numbers in the Stokes Problem for a Vertical Porous Plate Basant K. JHA and Clement A. APERE J. Phys. Soc. Jpn. 81 (2012) 064401 # 2012 The Physical Society of Japan Person-to-person distribution by the author only. Not permitted for publication for institutional repositories or on personal Web sites. FULL P APERS Journal of the Physical Society of Japan 81 (2012) 064401 DOI: 10.1143/JPSJ.81.064401 MHD Natural Convection Flow
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Sciences Vol. 6(33)‚ pp. 7456 - 7470‚ 9 December‚ 2011 Available online at http://www.academicjournals.org/IJPS DOI: 10.5897/IJPS11.1092 ISSN 1992 - 1950 © 2011 Academic Journals Full Length Research Paper Numerical study of laminar mixed convection heat transfer of power-law non-Newtonian fluids in square enclosures by finite volume method Mohammad Reza Safaei1*‚ Behnam Rahmanian2 and Marjan Goodarzi3 1 Young Researchers Club and Department of Mechanical Engineering‚ Mashhad Branch‚ Islamic
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from hazard of x- radiation while they are working in wards or in the Radiology Department? Introduction This research is concerned with x-radiation protection for the pediatric staff nurses while they are taken care for pediatric patient in Salmaniya Medical Complex wards and as well as in radiology department. The authors are trying to learn how the staff is exposed x-radiation exposure‚ what the risks are and what are the best methods to protect themselves from x-radiation hazard? Staff
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Abstract: Ultraviolet (UV) radiation and its detrimental effects on plant life have been widely researched. This research studies the effects of UV radiation on sex-determination in Ceratopteris richardii. Sex determination in Ceratopteris richardii is determined by antheridiogen‚ a pheromone that promotes maleness. In this experiment‚ UV radiation was used on the wild type and mutants Her1‚ which are insensitive to the male-inducing pheromone (does not form male gametophytes). Ceratopteris richardii
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When solid objects are heated‚ they emit radiation. At normal temperature‚ we are not aware of this radiation because the intensity is low. At higher temperatures‚ there is sufficient infrared radiation that we can feel the "heat" if we are close to them. At even higher temperature‚ the objects actually glow‚ like the heating element of toaster or red-hot electric stove burner. Since they are radiating energy‚ there must be a rate at which they are radiating. They may radiate 10 Joules per second
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A Study of Radiation Protection Practices on Pediatric Patients during X-ray Procedures in the Radiology Department of Tertiary Hospitals in Kidapawan City A Research Study Presented to the Faculty of North Valley College Foundation Inc. Lanao‚ Kidapawan City In Partial Fulfillment of the Requirements for the Degree of Bachelor of Science in Radiologic Technology By: Frixie Marie M. Antones Pritche Ann B. Pacheco Rizza Jessica P. Muyco Anabel M. Espaňola
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classified as occurring by heat conduction‚ also called diffusion‚ of two objects in contact; fluid convection‚ which is the mixing of hot and cold fluid regions; or thermal radiation‚ the transmission of electromagnetic radiation described by black body theory. Engineers also consider the transfer of mass of differing chemical species‚ either cold or hot‚ to achieve heat transfer. II. THREE MODES OF HEAT TRANSFER 1. Conduction In heat transfer‚ conduction (or heat conduction) is the transfer of thermal
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transfer from other forms of energy transfer. • Perform general energy balances as well as surface energy balances. • Understand the basic mechanisms of heat transfer‚ which are conduction‚ convection‚ and radiation‚ and Fourier’s law of heat conduction‚ Newton’s law of cooling‚ and the Stefan–Boltzmann law of radiation. • Identify the mechanisms of heat transfer that occur simultaneously in practice. • Develop an awareness of the cost associated with heat losses. • Solve various heat transfer problems
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lower‚ less. kinetic energy: Energy that an object has due to it’s motion. electromagnetic energy: Radiation or light energy. Energy from electromagnetic waves. radiation: When energy is transferred in waves through the atmosphere. convection:The transfer of energy due to hotter‚ less dense material rising and colder‚ more dense material sinking. Upstairs being warmer than downstairs in a house. conduction: The transfer of energy through direct contact. sound energy:When sound waves travel through the
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Energy Transformation Conduction‚ convection‚ and radiation are things that exist in our life. Thanks to that stuff we have things like electricity and things to cook too. I am going to explain things about energy transformation. Heat transfer is the way heat moves through matter to change the temperature of other objects. There are three types of heat transfers‚ Conduction‚ Convection‚ and Radiation. The first kind of heat transfer‚ conduction‚ is heat transferring through direct contact of materials
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