搜索结果: 16-30 共查到“知识库 工程热力学”相关记录66条 . 查询时间(2.497 秒)
MELTING AND FREEZING IN A FINITE SLAB DUE TO A LINEARLY DECREASING FREE-STREAM TEMPERATURE OF A CONVECTIVE BOUNDARY CONDITION
finite slab freezing heat balance integral
2009/10/14
One-dimensional melting and freezing problem in a finite slab with time-dependent convective boundary condition is solved using the heat-balance integral method. The temperature, Tinf 1(t), is applied...
ENTROPY GENERATION ANALYSIS IN ERROR ESTIMATION OF AN APPROXIMATE SOLUTION: A CONSTANT SURFACE TEMPERATURE SEMI-INFINITE CONDUCTIVE PROBLEM
heat conduction semi-infinite constant surface temperature
2009/10/14
The integral solution of one-dimensional heat conduction in a semi-infinite wall with constant temperature at its surface has been reviewed and compared with the exact solution for three temperature p...
HEAT-BALANCE INTEGRAL METHOD FOR HEAT TRANSFER IN SUPERFLUID HELIUM
heat-balance integral method superfluid helium heat transfer
2009/10/14
The heat-balance integral method is used to solve the non-linear heat diffusion equation in static turbulent superfluid helium (He II). Although this is an approximate method, it has proven that it gi...
APPLICATION OF THE HEAT-BALANCE AND REFINED INTEGRAL METHODS TO THE KORTEWEG-DE VRIES EQUATION
Korteweg-de Vries heat-balance integral method refined integral method
2009/10/14
In this paper we consider approximate travelling wave solutions to the Korteweg-de Vries equation. The heat-balance integral method is first applied to the problem, using two different quartic approxi...
HOW GOOD IS GOODMAN'S HEAT-BALANCE INTEGRAL METHOD FOR ANALYZING THE REWETTING OF HOT SURFACES?
rewetting quenching heat balance integral method
2009/10/14
This paper discusses the application of heat-balance integral method for solving the conduction equation in a variety of rewetting problems. A host of rewetting problems for various geometry, convecti...
ON THE GOODMAN HEAT-BALANCE INTEGRAL METHOD FOR STEFAN LIKE-PROBLEMS
heat balance integral Stefan problems analytical solution
2009/10/14
Since the pioneering studies of Goodman on the application of the integral method to transient non-linear heat diffusion, much attention has been devoted nowadays to what is called heat balance integr...
APPLICATION OF HEAT-BALANCE INTEGRAL METHOD TO CONJUGATE THERMAL EXPLOSION
thermal explosion conjugate heat balance integral method
2009/10/14
Conjugate thermal explosion is an extension of the classical theory, proposed and studied recently by the author. The paper reports application of heat-balance integral method for developing phase por...
A BRIEF REVIEW OF SEVERAL NUMERICAL METHODS FOR ONE-DIMENSIONAL STEFAN PROBLEMS
moving boundary problem Stefan problems
2009/10/14
This paper describes and compares several effective methods for the numerical solution of one-dimensional Stefan problems. The intention is not to make an exhaustive review and so we restrict our atte...
ON HIGH-ORDER POLYNOMIAL HEAT-BALANCE INTEGRAL IMPLEMENTATIONS
heat balance integral high-order polynomial approximants
2009/10/14
This article reconsiders aspects of the analysis conventionally used to establish accuracy, performance and limitations of the heat balance integral method: theoretical and practical rates of converge...
IMPROVEMENT OF CAO-BASED SORBENT PERFORMANCE FOR CO2 LOOPING CYCLES
CO2 capture CaO-based sorbents looping cycles
2009/10/14
This paper presents research on CO2 capture by lime-based looping cycles. This is a new and promising technology that may help in mitigation of global warming and climate change caused primarily by th...
ELEMENT FREE GALERKIN METHOD FOR TRANSIENT THERMAL ANALYSIS OF CARBON NANOTUBE COMPOSITES
carbon nanotube nano-composites continuum mechanics
2009/10/14
This paper deals with the transient thermal analysis of carbon nanotube composites via meshless element free Galerkin method. A three-dimensional representative volume element containing single nanotu...
THERMODYNAMIC ANALYSIS OF HEAT RECOVERY STEAM GENERATOR IN COMBINED CYCLE POWER PLANT
combined cycle gas turbine steam cycle
2009/10/14
Combined cycle power plants play an important role in the present energy sector. The main challenge in designing a combined cycle power plant is proper utilization of gas turbine exhaust heat in the s...
THE TRANSIENT RESPONSE FOR DIFFERENT TYPES OF ERODABLE SURFACE THERMOCOUPLES USING FINITE ELEMENT ANALYSIS
finite elements transient response different types erodable surface thermocouples
2009/10/14
The transient response of erodable surface thermocouples has been numerically assessed by using a two dimensional finite element analysis. Four types of base metal erodable surface thermocouples have ...
TEST OF TOTAL HEAT FLUX FROM WOOD CRIB FIRE IN AND OUTSIDE COMPARTMENT
wood crib total heat flux ISO 9705 Room
2009/10/14
Performance-based design for passive building fire safety provisions is accepted by the authority in Hong Kong since 1998. This is also known as the "fire engineering approach", though the performance...
AN INVERSE STEFAN PROBLEM RELEVANT TO BOILOVER: HEAT BALANCE INTEGRAL SOLUTIONS AND ANALYSIS
fire boilover Stefan problems
2009/10/14
Stefan problems relevant to burning oil-water systems are formulated. Two moving boundary sub-problems are defined: burning liquid surface and formation of a distillation ("hot zone") layer beneath it...