Thermal radiation

(MHD) deals with geophysical, astrophysical and engineering problems since many years. This subject has attracted attention of many researchers in the MHD flow on Newtonian fluids on plate, cones and disks. Hari R [30] investigated the chemical and radiation effects on MHD casson fluid flow past an oscillating vertical plate embedded in porous medium. Subbaiah Naidu [70] studied the effect of Hall current on free convective flow of stratified fluid over an infinite vertical porous plate.…

neutron. With the fission of the heavier element along with the production of two lighter elements, high energy photons (gamma radiation) and neutrons are also released. The neutron produced causes a chain reaction as it collides with other U-235 atoms. Not all neutrons collide with U-235, others collide with U-238 or do not collide at all resulting in termination. The gamma radiation is used to heat the working fluid, usually water, which will state…

radiofrequency ablation (RFA) and radiation therapy shows promise for large lung cancers [5]. He describes a synergy in which one procedure compliments the second by improving efficiency. Radiation therapy is relatively ineffective during certain phases of the cell cycle. The synergy of RFA and radiation therapy is likely due to cells which are radiosensitized by thermal therapy. Cells remain radiosensitized for up to 24 hours, therefore the efficiency of radiation therapy is increased during…

Rattlesnakes have two organs that sense radiation of living organisms: their eyes and a set of heat-sensing pits on their head. These pits allow the rattle snake to locate prey based on their thermal radiation signature. Although the effective working range of these pits only extends 1 foot, it gives the rattlesnake a large advantage hunting for warm-blooded creatures during night. The thermal radiation of a warm-blooded creature enters through the opening of the rattlesnake’s…

Because of its geographical location, India is gifted with an annual solar radiation of 5000 TWh. Utilization of a small fraction of this energy could resolve the energy demand in India. It is observed that low and moderate temperature thermal applications are consuming a significant portion of energy, which is about 40-50 \% of the total thermal energy utilized in most of the commercial and industrial sectors in India. Solar thermal technologies are the most suitable option to replace the…

A major component of magnetic stove tops is magnetic thermal induction. In charging by induction, the objects do not actually touch, but instead the process charges a neutral object to another charged object, and the newly charged object will have a charge opposite in sign to the original charge. In relation…

whereby gases and clouds absorb infrared radiation emitted from the Earth’s surface and radiate it in all directions, which results extra heating of the atmosphere and the Earth’s surface. As the radiation from the Sun is absorbed by the Earth’s surface, the energy is converted to thermal energy. Then, the Earth emits lower-energy infrared radiation back out to the atmosphere and space. The Earth’s atmosphere and clouds trap this infrared energy and radiation directed from the Sun by certain…

According to Doug Stewart, 2017, James Prescott Joule, an English physicist studied the nature of heat and laid the foundation of the theory known as conservation of energy. According to Heba Soffar, 2015, heat is a thermal energy that flows from a warmer region to a much colder or cooler region. In addition, another meaning of heat is according to Chris Woodford, 2017, heat is a shortened term of saying heat energy. Heat energy is can transforms matters into different…

Insect infestation Growth of microorganisms.6) Additional losses during storage due to insufficient or no uniform drying 3.2 Control Drying- Control drying using Solar Dryer 3.2.1 Direct type solar dryers- In the direct type of solar dryer, solar radiation passes through a transparent cover, usually glass, to be incident on the grapes placed for drying. The glass cover reduces direct convective losses to the surroundings and increases temperature inside the dryer i. Box Type or Solar cabinet…

certain gases in the Earth’s atmosphere trap infrared radiation emitted from the Earth and re-radiate it in all directions. This causes additional heating of the Earth. As the radiation from the Sun is absorbed by the Earth’s surface, the energy is converted to thermal energy. Then, the Earth radiates lower-energy infrared radiation back out to the atmosphere and space. The Earth’s atmosphere and clouds absorb this infrared energy and radiation directed from the Sun by greenhouse gases. Some…