methods of heat transfer ppt

An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs

An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs

Ngày tải lên : 05/09/2013, 16:10
... value of turbulent intensity is observed at the relative gap width of 1.0 which is in the line of heat transfer measurements. These results of PIV showed good agreement between the heat transfer ... Investigation of heat transfer and friction for rib- roughened surfaces, Int. Journal of Heat & Mass Transfer 1978; 21: 1143-1156. [4] Webb R.L., Eckert E.R.G. and Goldstein R. J. Heat transfer ... Journal of Heat and Mass Transfer1 999; 42: 1597-1615. [16] Karwa R, Experimental studies of augmented heat transfer and friction in asymmetrically heated rectangular ducts with ribs on the heated...
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Ptinciples of heat transfer

Ptinciples of heat transfer

Ngày tải lên : 08/04/2014, 11:00
... A, and thickness of Fig. 2.2 can be stated as follows: rate of heat conduction rate of heat conduction into control volume out of control volume +=+ (2.1) rate of heat generation rate of energy storage ... Basic Modes of Heat Transfer 2 1.1 The Relation of Heat Transfer to Thermodynamics 3 1.2 Dimensions and Units 7 1.3 Heat Conduction 9 1.4 Convection 17 1.5 Radiation 21 1.6 Combined Heat Transfer ... Combined Heat Transfer Systems In the preceding sections the three basic mechanisms of heat transfer have been treated separately. In practice, however, heat is usually transferred by several of the basic...
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molecular dynamics simulation of heat transfer and phase change during

molecular dynamics simulation of heat transfer and phase change during

Ngày tải lên : 06/05/2014, 08:55
... surface of the target by scaling velocities of atoms in cells on the top surface, and the same amount of heat flux is dissipated from the bottom of the target by scaling velocities of atoms ... Study of Light-to -heat Absorption Mechanism in atomic Systems," International Journal of Heat and Mass Transfer, 41, pp. 839-849. 3. Häkkinen, H., and Landman, U., 1993, "Superheating, ... the distribution of number density of atoms in space at different times, which demonstrates the variation of solid structure during laser heating. At the early stage of laser heating, the crystal...
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molecular dynamics simulation of heat transfer and phase change during

molecular dynamics simulation of heat transfer and phase change during

Ngày tải lên : 06/05/2014, 08:57
... ASME Proceedings of NHTC'01 35th National Heat Transfer Conference Anaheim, California, June 10-12, 2001 NHTC2001-20070 MOLECULAR DYNAMICS SIMULATION OF HEAT TRANSFER AND PHASE ... the distribution of number density of atoms in space at different times, which demonstrates the variation of solid structure during laser heating. At the early stage of laser heating, the crystal ... surface of the target by scaling velocities of atoms in cells on the top surface, and the same amount of heat flux is dissipated from the bottom of the target by scaling velocities of atoms...
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Tài liệu Methods of Restricting Registry Access phần 1 ppt

Tài liệu Methods of Restricting Registry Access phần 1 ppt

Ngày tải lên : 21/01/2014, 04:20
... all software to run, then create a set of rules which prevents specific programs from running. Software Restriction Policies are based on the following types of rules:  Path - Rules of this ... use Software Restriction Policies is a new feature of Windows XP and Windows Server 2003. Software Restriction Policies provide a completely new method of preventing unauthorized usage of system ... can choose one of the following two approaches:  Create a policy that prohibits all software, then create unrestricted rules, which allow only approved software to run. Methods of Restricting...
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Tài liệu Methods of Restricting Registry Access phần 2 pptx

Tài liệu Methods of Restricting Registry Access phần 2 pptx

Ngày tải lên : 21/01/2014, 04:20
... new copy of the operating system on the NTFS partition, the standard settings of the security subsystem are configured so that the members of this group can't break the integrity of the ... complete list of well-known SIDs in Windows 2000 is provided in the Microsoft Knowledge Base article Q243330 - "Well-Known Security Identifiers in Windows 2000". One of the significant ... permissions to other parts of the operating system in addition to their own user profiles. Power Users can create local users and groups; modify and can obtain a copy of the tool from another...
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Tài liệu Methods of Restricting Registry Access phần 3 ppt

Tài liệu Methods of Restricting Registry Access phần 3 ppt

Ngày tải lên : 21/01/2014, 04:20
... default settings. Therefore, if you need to preserve your changes, create a copy of the default template(s), introduce officially approved changes into it, and maintain these copies as well as default ... computer's role in your network environment. When you perform a clean installation of workstations running Windows XP Professional, the %SystemRoot%\inf\defltwk.inf security template will be used ... to maintain file and registry permission settings. The Secedit.exe is the command-line version of the Security and Analysis Configuration tool. The secedit.exe tool uses the following command-line...
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Tài liệu HEAT TRANSFER FUNDAMENTALS P1 ppt

Tài liệu HEAT TRANSFER FUNDAMENTALS P1 ppt

Ngày tải lên : 23/01/2014, 07:20
... subset of convection heat transfer. 43.2 CONDUCTION HEAT TRANSFER The exchange of energy or heat resulting from the kinetic energy transferred through the direct impact of molecules ... CONVECTION HEAT TRANSFER As discussed earlier, convection heat transfer is the mode of energy transport in which the energy is transferred by means of fluid motion. This transfer ... radiant energy and the heat transfer process that occurs is called radiation heat transfer or simply radiation. In this mode of heat transfer, the energy is transferred through electromagnetic ...
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Tài liệu TRANSFER CREDIT SERVICES GUIDE: Produced by the Office of the Registrar ppt

Tài liệu TRANSFER CREDIT SERVICES GUIDE: Produced by the Office of the Registrar ppt

Ngày tải lên : 15/02/2014, 14:20
... Berklee College of Music Office of Admissions Office of Registrar 1140 Boylston Street 1140 Boylston Street Boston, MA 02215 Boston, MA 02215 For questions or to have official AP scores ... university should have their official transcripts mailed directly to the Office of the Registrar at the following address: Berklee College of Music Office of the Registrar Page -6- ATTN: ... Coordinator in the Office of the Registrar at transfercredits@berklee.edu, 617 747-8519, or stop by the Office of the Registrar (Uchida building, Suite 120). GENERAL REQUIREMENTS Official Transcripts...
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Tài liệu Báo cáo khoa học: Nucleolin/C23 mediates the antiapoptotic effect of heat shock protein 70 during oxidative stress pptx

Tài liệu Báo cáo khoa học: Nucleolin/C23 mediates the antiapoptotic effect of heat shock protein 70 during oxidative stress pptx

Ngày tải lên : 16/02/2014, 09:20
... and fragmentation of their nuclei. The percentage of apoptotic cells was calculated as the number of apoptotic cells divided by the total number of cells counted. A minimum of 500 cells were ... growth control of cardiomyocytes, and its regulation may be closely associated with the susceptibility of the cell to the induction of apoptosis. Caspases are important molecular mediators of apoptosis ... protection of Hsp70 is lost. Taken together, our results demonstrate an impor- tant relationship among the regulation of nucleo- lin ⁄ C23, the activation of caspase-3 and the induction of apoptosis...
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