搜索结果: 1-15 共查到“动力与电气工程 heat”相关记录56条 . 查询时间(0.099 秒)
A new heat engine with no moving parts is as efficient as a steam turbine（图）
运动部件 新型热机 蒸汽轮机 脱碳电网
2023/6/7
Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts. Their new demonstrations show that it converts heat to electricity with over 40 p...
浙江大学动力机械及车辆工程研究所刘震涛教授课题组在传热传质国际权威期刊《International Journal of Heat and Mass Transfer》（ZJU TOP）发表文章（图）
航空发动机 散热 活塞发动机 传热能力
2022/3/9
航空发动机应用于高空,飞行跨度较大,温度剧烈变化,温差在少十度甚至到上百度。与此同时,大气环境产生剧烈变化,增加了对发动机冷却系统的要求。与地面环境相比，万米以上高空的散热条件恶劣。空气密度随海拔的递减又对活塞发动机提出了增压要求，从而给热管理系统引进了增压中冷这一新的热源，进而增加了冷却系统的负荷。这些因素制约着航空活塞发动机性能的提升和轻量化的发展，成为了困扰航空活塞发动机技术突破的瓶颈之一。
Fluctuational electrodynamics calculations of near-field heat transfer in non-planar geometries: A brief overview
electrodynamics calculations near-field heat transfer non-planar geometries
2015/8/6
Near-field electromagnetic heat transfer is of interest for a variety of applications,including energy conversion, and precision heating, cooling and imaging of nanostructures.
华南理工大学传质与分离工程课件Chapter 10c(mass and heat balance)
华南理工大学 传质与分离工程 课件 Chapter 10c mass and heat balance
2014/7/28
华南理工大学传质与分离工程课件Chapter 10c(mass and heat balance)。
华南理工大学流体力学与传热课件CHAPTER 15 heat-exchange equipment
华南理工大学 流体力学与传热 课件 CHAPTER 15 heat-exchange equipment
2014/7/25
华南理工大学流体力学与传热课件CHAPTER 15 heat-exchange equipment。
华南理工大学流体力学与传热课件CHAPTER 10 Heat Transfer。
华南理工大学流体力学与传热课件CHAPTER 11 Principles of heat flow in fluids
华南理工大学 流体力学与传热 课件 CHAPTER 11 Principles of heat flow in fluids
2014/7/25
华南理工大学流体力学与传热课件CHAPTER 11 Principles of heat flow in fluids。
华南理工大学流体力学与传热课件CHAPTER12 Heat transfer to fluids without phase change
华南理工大学 流体力学与传热 课件 CHAPTER12 Heat transfer to fluids without phase change
2014/7/25
华南理工大学流体力学与传热课件CHAPTER12 Heat transfer to fluids without phase change。
Experiments of flow and heat transfer performances for air-cooling laminated turbine vane
flow performance heat transfer static cascade
2014/6/9
Flow resistance and heat transfer coefficients of typical double wall laminated film cooling configuration within a turbine vane were experimentally studied. The specimen was in large scale, and made ...
Reconstruction of the heat transfer coefficient on the grounds of experimental data
Artificial intelligence methods Casting Inverse Stefan Problem
2009/12/14
Purpose: Solidification of pure metal can be modelled by a two-phase Stefan problem, in which the distribution of temperature in the solid and liquid phases is described by the heat conduction equatio...
Heat transfer during cooling of hot surfaces by water nozzles
heat transfer coefficient cooling of surface continuous casting of steel
2009/10/23
Method of cooling in a secondary zone of continuous casting of steel has a significant influence on a quality of continuously cast products mainly from the point of view of internal and surface defect...
Study of Heat Transfer in Concentric Annulus Flow by Liquid-Crystal Technique
Horizontal Concentric Annular Flow Heat Transfer Coefficient Liquid-Cyrstal Technique
2009/10/15
Study of Heat Transfer in Concentric Annulus Flow by Liquid-Crystal Technique
Abstract: In this, forced convection heat transfer on the inner surface in horizontal concentric annular duct flow was ex...
Heat Transfer and Flow Structure in a Rectangular Channel With Wing-Type Vortex Generator
Heat Transfer Enhancement Wing Type Vortex Generator Periodically Interrpted Winglets
2009/10/15
A detailed evaluation of performance parameters in the turbulent regime with regard to the enhancement of heat transfer using winglet-type vortex generators has been accomplished in this study. The he...
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...