The fire loads are as specified by IS 3809-1979. Two methods – transient thermal analysis and transient thermo-structural analysis are used to estimate the time taken before the structure is considered to have failed. Finite Element Method (FEM) based software package - ANSYS was used to perform the analysis on the slab. The fire resistance is calculated in number of hours taken by the slab to fail. Keywords Transient Thermal Analysis‚ Two-way slab‚ Cover depth‚ Simply supported structure‚ Shell
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HISTORY OF CUTTING TOOL MATERIALS • Cutting tool used during the industrial revolution in 1800 A.D • First cutting tool was cast using crucible method (1740) and slight hardened by H.T. • 1868: R. Mushet found by adding Tungsten we can increase hardness and tool life ( Air Quenching) • F.W.Taylor in Pennsylvania did the most basic research in metal cutting between 1880-1905 • Invented high speed steel (better H.T. process) • Better alloy
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out in 30 pi of a pH 8.3 buffer (Pharmacia Biotech‚ Piscataway‚ NJ) containing 200 pM each of the four deoxynucleotide triphosphates‚ 15 mM MgCl2‚ 0.1 pM of each primers‚ and 1 unit Taq polymerase (Pharmacia Biotech‚ Piscataway‚ NJ). An automated thermal cycler (GeneAmp PCR 9700‚ Perkin-Elmer‚ Foster City‚ Calif.) Was used for PCR-amplification using the following program denaturing gradient gel electrophoresis (DGGE)‚
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Ministry of Higher Education King Soud University College of Engineering Chemical Engineering Department Research Title :- Shell and Tube Heat Exchanger [pic]Name:- Moh ’d Saad Jalmood No.:- 425104886 Dr.:- Malek Al Ahmed Subject :- ChE 313 (( Heat Transfer )) Introduction:- A shell and tube heat exchanger is a class of heat exchanger designs. It is the most common type of heat exchanger in oil refineries and other large
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plants‚ the benefits reaped would be worth the process. There are two main types of ways to harness the sun’s rays and convert them to energy; through a photovoltaic energy system and a solar-thermal energy system. A photovoltaic system converts sunlight into an electrical current while a solar thermal system harnesses the suns energy and stores it away to heat up any liquids or gases. The cost of producing solar energy‚ harnessing the energy to use during winter seasons‚ and environmental issues
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Unit 51: Electrical Technology P1 describe the characteristics and principles of operation of a DC electromagnetic generator. A DC electromagnetic generator produces direct power and also‚ electrical power (just like the AC generator). It is also produced based on same fundamental principle of Faraday’s Law of Electromagnetic induction where whenever a conductor cuts magnetic flux‚ dynamically induced electromotive force is produced‚ and this causes current to flow if the conductor/conductors is
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temperature profiles and reduces the concentration profiles of the flow. Generally‚ an improved values of Brownian motion parameter tries to remove the concentration gradients and keeps the more pressure near the boundary layer which heats up the thermal boundary layer‚ thereby enhancing the temperature profiles. It is also interesting to mention that the temperature profiles of Oldroyd-B fluid is highly influenced by the Brownian motion parameter. However‚ the concentration profiles are highly influenced
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Localized Surface Hardening Thermochemical Diffusion Chemical Conversion Anodizing Process Ion Implantation Mechanical Treatments Methods of Characterization 18/01/2015 MCG 5138K- Surface Engineering Adding a Surface Layer Galvanizing Process Thermal Spray Process Physical Vapor Deposition Chemical Vapor Deposition Diff. Applications 2 1 18/01/2015 Outline What is Surface Engineering? Objective of Surface Engineering Classification & Selection of Surface Engineering Processes (1) Overlay
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Transport Processes (SKKK 2313) ASSIGNMENT # 1 1. Consider a steam pipe of length L=20 m‚ inner radius r1=6 cm‚ outside radius r2=8 cm‚ and thermal conductivity k=20 W/m.k. The inner and outer surfaces of the pipe are maintained at average temperatures of T1=150oC and T2=60oC‚ respectively. Obtain a general relation for the temperature distribution inside the pipe under steady conditions‚ and determine the rate of heat loss from the steam through the pipe. Assume that heat transfer is one-dimensional
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Concentration PTC Numerical model Solar energy Heat exchanger Double pipe a b s t r a c t Detailed numerical simulations of thermal and fluid-dynamic behavior of a single-pass and double-pass solar parabolic trough collector are carried out. The governing equations inside the receiver tube‚ together with the energy equation in the tube walls and cover wall and the thermal analysis in the solar concentrator were solved iteratively in a segregated manner. The single-pass solar device numerical model
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