Xem 1-19 trên 19 kết quả Heat equation
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: An initial-boundary value problem for the one-dimensional non-classical heat equation in a slab

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Existence of Pseudo Almost Automorphic Solutions for the Heat Equation with Sp -Pseudo Almost Automorphic Coefficients

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Simultaneous versus Nonsimultaneous Blowup for a System of Heat Equations Coupled Boundary Flux

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  • Over the past three decades, information in the aerospace and mechanical engineering fields in general and turbomachinery in particular has grown at an exponential rate. Fluid Dynamics and Heat Transfer of Turbomachinery is the first book, in one complete volume, to bring together the modern approaches and advances in the field, providing the most up-to-date, unified treatment available on basic principles, physical aspects of the aerothermal field, analysis, performance, theory, and computation of turbomachinery flow and heat transfer....

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  • Energy is defined as the capacity of a substance to do work. It is a property of the substance and it can be transferred by interaction of a system and its surroundings. The student would have encountered these interactions during the study of Thermodynamics. However, Thermodynamics deals with the end states of the processes and provides no information on the physical mechanisms that caused the process to take place. Heat Transfer is an example of such a process. A convenient definition of heat transfer is energy in transition due to temperature differences.

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  • Tham khảo sách 'heat transfer: basics and practice', kỹ thuật - công nghệ, kiến trúc - xây dựng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • This article is organized as follows. First we analyze the one dimensional case. Necessary and sucient conditions for the existence and uniqueness of periodic solutions are shown. Results for sub(super)-periodic solutions are proved as well in this case. In the next section we show that the same existence result holds for linear symmetric maximal monotone operators on Hilbert spaces. In the last section the case of non-linear sub-di erential operators is considered.

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  • UNIFIED FACILITIES CRITERIA (UFC) HEATING AND COOLING DISTRIBUTION SYSTEMS Any copyrighted material included in this UFC is identified at its point of use. Use of the copyrighted material apart from this UFC must have the permission of the copyright holder. This UFC supersedes TI 810-32 dated 10 January 2002. The text of this UFC is the text of TI 810-32. The format of this document does not conform to UFC 1-300-01; however, it will be reformatted at the next revision.

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  • SAMUEL EILENBERG. Automata, Languages, and Machines: Volumes A and B MORRIS HIRSCH N D STEPHEN A SMALE. Differential Equations, Dynamical Systems, and Linear Algebra WILHELM MAGNUS. Noneuclidean Tesselations and Their Groups FRANCOIS TREVES. Linear Partial Differential Equations Basic WILLIAM BOOTHBY. Introduction to Differentiable Manifolds and Riemannian M. An Geometry ~ A Y T O N GRAY. Homotopy Theory : An Introduction to Algebraic Topology ROBERT ADAMS. A. Sobolev Spaces JOHN BENEDETTO. J. Spectral Synthesis D. V. WIDDER.

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  • The goal of this book is to expose the reader to modern computational tools for solving differential equation models that arise in chemical engineering, e.g., diffusion-reaction, mass-heat transfer, and fluid flow. The emphasis is placed on the understanding and proper use of software packages. In each chapter we outline numerical techniques that either illustrate a computational property of interest or are the underlying methods of a computer package. At the close of each chapter a survey of computer packages is accompanied by examples of their use....

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  • MULTIDIMENSIONAL KOLMOGOROV-PETROVSKY TEST FOR THE BOUNDARY REGULARITY AND IRREGULARITY OF SOLUTIONS TO THE HEAT EQUATION UGUR G. ABDULLA Received 25 August 2004 Dedicated to I. G. Petrovsky This paper establishes necessary and sufficient condition for the regularity of a characteristic top boundary point of an arbitrary open subset of RN+1 (N ≥ 2) for the diffusion (or heat) equation. The result implies asymptotic probability law for the standard Ndimensional Brownian motion. 1. Introduction and main result Consider the domain Ωδ = (x,t) ∈ RN+1 : |x| 0, N ≥ 2, x = (x1 ,...

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  • A mathemalical model is presented that describes heat and moisture transfer during the holpressing of MDF. The model includes conduction of heat between the press platens and the central layer of the mattress, phase change of water from the adsorbed to the vapor state and the convective heat and mass transfer through the edges of the mattress. This approach results in a three-dimensional unsleady-state problem in which the properties of the wood fibers, water and the wood-water system are dependent on temperature, mattress moisture content and steam pressure.

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  • HEATING, VENTILATING, AND AIR CONDITIONING ECONOMICS OF INTERIOR CLIMATE CONTROL 16.2 Equations for Heating, Ventilation, and Air-Conditioning Calculations Required Capacity of a Unit Heater Determining Cooling-Tower Fan Horsepower Requirements 16.12 Choosing an Ice Storage System for Facility Cooling 16.13 Annual Heating and Cooling Energy Loads and Costs 16.22 Heat Recovery Using a Run-Around System of Energy Transfer 16.24 Rotary Heat Exchanger Energy Savings 16.26 Savings from ‘‘Hot-Deck’’ Temperature Reset 16.28 Air-to-Air Heat Exchanger Performance 16.

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  • Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION 25 HYDRAULIC AND PNEUMATIC SYSTEMS DESIGN Determining Response Time of PilotOperated Solenoid-Energized Spool Valves in Hydraulic Systems 25.1 Hydraulic-System Reservoir and Heat Exchanger Selection and Sizing 25.12 Choosing Gaskets for Industrial Hydraulic Piping Systems 25.19 Computing Friction Loss in Industrial Hydraulic System Piping 25.26 Hydraulic-Cylinder Clearance for Damping End-of-Stroke Forces 25.29 Hydraulic System Pump and Driver Selection 25.

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  • Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION 16 HEATING, VENTILATING, AND AIR CONDITIONING ECONOMICS OF INTERIOR CLIMATE CONTROL 16.2 Equations for Heating, Ventilation, and Air-Conditioning Calculations 16.2 Required Capacity of a Unit Heater 16.58 Determining Cooling-Tower Fan Horsepower Requirements 16.12 Choosing an Ice Storage System for Facility Cooling 16.13 Annual Heating and Cooling Energy Loads and Costs 16.22 Heat Recovery Using a Run-Around System of Energy Transfer 16.24 Rotary Heat Exchanger Energy Savings 16.

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  • Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION 22 BEARING DESIGN AND SELECTION Determining Stresses, Loading, Bending Moments, and Spring Rate in Spoked Bearing Supports 22.1 Hydrodynamic Equations for Bearing Design Calculations 22.6 Graphic Computation of Bearing Loads on Geared Shafts 22.13 Shaft Bearing Load Analysis Using Polar Diagrams 22.17 Journal Bearing Frictional Horsepower Loss During Operation 22.21 Journal Bearing Operation Analysis 22.22 Roller-Bearing Operating-Life Analysis 22.31 Roller-Bearing Capacity Requirements 22.

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  • HEAT EXCHANGER TYPES AND CONSTRUCTION 52.1.1 Shell and Tube Heat Exchangers 52.1.2 Plate-Type Heat Exchangers 52.1.3 Spiral Plate Heat Exchangers 52. 1 .4 Air-Cooled Heat Exchangers 52.1.5 Compact Heat Exchangers 52.1.6 Boiler Feedwater Heaters 52.1.7 Recuperators and Regenerators ESTIMATION OF SIZE AND COST 52.2.1 Basic Equations for Required Surface 52.2.2 Mean Temperature Difference 52.2.3 Overall Heat-Transfer Coefficient 52.2.4 Pressure Drop RATINGMETHODS 52.3.1 Shell and Tube Single-Phase Exchangers 52.3.2 Shell and Tube Condensers 52.3.3 Shell and Tube Reboilers and Vaporizers. ...

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  • Allahyari et al. Nanoscale Research Letters 2011, 6:360 http://www.nanoscalereslett.com/content/6/1/360 NANO EXPRESS Open Access Conjugate heat transfer of laminar mixed convection of a nanofluid through an inclined tube with circumferentially non-uniform heating Shahriar Allahyari1, Amin Behzadmehr1* and Seyed Masoud Hosseini Sarvari2 Abstract Laminar mixed convection of a nanofluid consisting of water and Al2O3 in an inclined tube with heating at the top half surface of a copper tube has been studied numerically.

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  • The heat of adsorption was determined from isotherm parameters, which in turn were calculated by Frendlich equation. The method was applied for the determination of adsorption heat of p-nitrophenol, p-nitroaniline and 2,4-dinitrophenol on TW-2 and CAL 12× 40 activated carbons. With the approach, it is easily to cover the influence of the whole range of surface loading on the heat of adsorption, especialy in low surface coverage.

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