Essays Tagged: "Heat transfer"

IB Physics Thermodynamics Lab- "The purpose of this lab is to determine the identity of an unknown metal, and to prove whether the laws of thermodynamics hold when determining this identity."

whether the laws of thermodynamics hold when determining this identity. Using the accepted specific heat of water (4186 J/kg · oC), heat flow between two different sets of water though the cond ... though the conduction of an unknown metal can provide useful data in determining the identity. The heat transfers can be calculated to approximate the specific heat of the unknown metal.When heat is ...

(4 pages) 66 1 5.0 Jan/2004

Subjects: Science Essays > Physics

A discussion on the principle ways in which heat is gained and lost by the body, explaining the various mechanisms involved in the regulation of body temperature

ndings contributes significantly to this success. This assignment will discuss the methods by which heat is exchanged, the effect of this exchange on the body and how it is utilised in thermoregulator ... ts on the body when they do not function properly.Body temperature is not constant, as discussed by Heath (2003), it fluctuates in accordance with endogenous and exogenous variables, such as metabolis ...

(6 pages) 72 0 5.0 Feb/2004

Subjects: Science Essays > Biology > Human Biology

The Effects of Conduction in Heat Saving Devices (Build a heat-saving device that will allow a beaker of boiling water to maintain the highest possible temperature.)

Heat is the amount of energy generated by the internal motion of the molecules of a substance, while ... ated by the internal motion of the molecules of a substance, while heat transfer is the movement of heat from a warmer object to a cooler one. This theory of heat transfer can be proven by observing t ... ransfer can be proven by observing the cooling of water in a glass. The hot water tries to transfer heat to the cooler glass. Therefore, the two substances try to reach equilibrium. There are three di ...

(5 pages) 43 1 4.0 Apr/2004

Subjects: Science Essays > Chemistry

Corrosion in Heat Exchangers

Heat exchangers are commonly used to transfer heat from steam, water, or gases, to gases, or liquids ... steam, water, or gases, to gases, or liquids. Some of the criteria for selecting materials used for heat exchangers are corrosion resistance, strength, heat conduction, and cost. Corrosion resistance ... t conduction, and cost. Corrosion resistance is frequently a difficult criterion to meet. Damage to heat exchangers is frequently difficult to avoid. There are many variables related t ...

(1 pages) 38 1 3.8 Apr/2004

Subjects: Science Essays > Engineering > Mechanical Engineering

Corrosion in Heat Exchangers

Corrosion in Heat ExchangersTable of ContentsIntroduction........................................................ ... .........6References.........................................................15Section 1IntroductionHeat exchangers are commonly used to transfer heat from steam, water, or gases, to gases, or liquids ... steam, water, or gases, to gases, or liquids. Some of the criteria for selecting materials used for heat exchangers are corrosion resistance, strength, heat conduction, and cost. Corrosion resistance ...

(9 pages) 45 0 4.1 Apr/2004

Subjects: Science Essays > Engineering > Mechanical Engineering

Insulation

to the fact that they are thicker materials. Bubble wrap also has thick holes, which will trap the heat, but cotton wool is the thickest material so I think that cotton wool will be the best insulato ... ngth of material and it had to cover the same width of the tin.Convection:Convection is the flow of heat a hot region to a cool region, as opposed to the microscopic transfer of heat between atoms inv ...

(3 pages) 17 0 0.0 Feb/2005

Subjects: Science Essays > Chemistry

Jesse Ernest Wilkins Jr.

Atomic Energy Commission. His nuclear engineering led to publications on the design, operation, and heat transfer of nuclear reactors. The thing he is probably best known for his Research on Radiation ...

(1 pages) 1369 0 1.0 May/2005

Subjects: Literature Research Papers > Biographies

Ammonia Cooling Heat Exchanger Replacement

Team DeltaDATE: 4/20/05SUBJECT: Ammonia Cooling Heat Exchanger ReplacementATTACHMENTS: Calculations & DiagramA need has risen to replace ... ReplacementATTACHMENTS: Calculations & DiagramA need has risen to replace the existing heat exchanger (1) for cooling ammonia vapor exiting the ammonia converter (2). In response to this ...

(2 pages) 22 2 3.0 Aug/2005

Subjects: Science Essays > Engineering > Chemical Engineering

Convection

Introduction Heat is transferred through convection, conduction and radiation. Convection is the transfer of heat ... n. Convection is the transfer of heat through the movement of matter. Conduction is the transfer of heat or energy between two objects that are in contact with each other. Radiation is the transfer of ... window was covered with plastic wrap so that nothing could escape.Analysis The candle was a heat source that sped up the movement of the molecules. The molecules were less dense and you could ...

(2 pages) 1742 0 3.0 Sep/2001

Subjects: Science Essays > Chemistry

Human Resources for Axia College

ng out the specific gravity, temperature control, density determination, evaporation, distillation, heat transfer, and crushing, drying, mixing, use of electromagnetic equipment and use of pressure. T ...

(3 pages) 126 0 3.0 Aug/2007

Subjects: Businesss Research Papers > Management > Human Resource Management

A Guide to Aerospace Engineering

problems using knowledge of mechanics and dynamics, materials and joining methods, thermodynamics, heat transfer, vibrations, guidance, control and modelling techniques.Health and Safety MattersEngin ...

(7 pages) 36 0 5.0 Nov/2008

Subjects: Science Essays > Engineering

Heat and mass transfer of polymer in twin screw extrusion

zones 11-12 4.2 Effect of screw speed on flow rate in extrusion 13-15 4.3 Effect of temperature on heat transfer in extrusion 16-18 5.0 Conclusion 19 6.0 References 20 7.0 Appendix 21-262 | P a g e ... ODUCTION This experiment was constructed to study the relationship between processing parameter and heat and mass transfer in twin screw extruder. Productivity, homogeneity and quality of product can ...

(19 pages) 1 0 0.0 Nov/2014

Subjects: Science Essays > Engineering