搜索结果: 136-150 共查到“工学 gas”相关记录357条 . 查询时间(0.194 秒)
INFLUENCE OF AMBIENCE TEMPERATURE AND OPERATIONAL-CONSTRUCTIVE PARAMETERS ON LANDFILL GAS GENERATION - CASE STUDY NOVI SAD
landfill gas generation landfill methane
2010/10/11
Researches in the area of landfill gas generation and energy utilization are currently underway and widespread in the world for several reasons: reducing effects of greenhouse gases, possibilities for...
A greener way to get electricity from natural gas（图）
a greener way electricity natural gas
2009/12/15
A new type of natural-gas electric power plant proposed by MIT researchers could provide electricity with zero carbon dioxide emissions to the atmosphere, at costs comparable to or less than conventio...
Creep damage mechanisms in gas pipes made of high density polyethylene
Engineering polymers Creep-resistance Mechanical properties
2009/12/3
Purpose: The purpose of this article is to present results of creep damage mechanisms in gas pipes made of high density polyethylene [HDPE]. High density polyethylene has been widely used in the pipin...
Weldability of class 2 armor steel using gas tungsten arc welding
Gas tungsten arc welding Welding parameters optimization Armor steel
2009/12/2
Purpose: In this study, microstructural and mechanical evaluations of class 2 armor steel after single-pass and
pre-heated/single-pass welding were investigated to reveal the effect of pre-heating on...
Purpose: The purpose of this paper is to present and discuss the machinability and machining strength concepts under a new viewpoint concerned with both their applications and how to measure then. Des...
Modelling of transport phenomena in gas tungsten arc welding
Computational mechanics GTA welding Transport phenomena
2009/12/1
Purpose: Since numerical heat transfer and fluid flow models have provided significant insight into welding
process and welded materials that could not been achieved otherwise, there has been an impo...
Experimental Investigation of Pressure Drop Hysteresis in a Cocurrent Gas–Liquid Upflow Packed Bed
gas/liquid/solid packed column cocurrent upflow pressure drop hysteresis
2009/11/16
Extensive experimental work on hysteresis in a cocurrent gas–liquid upflow packed bed was carried out with three kinds of packings and the air–water system. However, only when packed with small glass ...
Progress of Gas Hydrate Studies in China
gas hydrate hydrate resource hydrate-based techniques
2009/11/13
A brief overview is given on the gas hydrate-related research activities carried out by Chinese researchers in the past 15 years. The content involves: (1) Historical review. Introducing the gas hydra...
Fractional gas analysis procedure for determining the contents of oxide and nitride phases in ALNICO alloys
Alnico fractional gas analysis oxide inclusions
2009/10/23
Fractional gas analysis procedure for estimating the contents of oxide and nitride inclusions in Alnico alloys produced from wastes of production is developed. The effect of the temperature and time o...
The influence of changes of combustion gas temperature during flow around the horizontal cylinder on local Nu number
Flow around horizontal cylinder local Nu number
2009/10/23
The article the influence of changes of combustion gas temperature during flow around of horizontal cylinder on local Nu number was presented. In order to test an influence of effect waste gas tempera...
The thermal treatment of electric arc furnace dust under low gas phase pressure
EAFD zinc recovery reduced pressure
2009/10/23
The paper presents the results of laboratory tests on the process of thermal reduction of electric arc furnace dust (EAFD) in the temperature range from 1273 to 1473 K. Before proceeding to the experi...
ANALYSIS OF THE ENERGETIC/ENVIRONMENTAL PERFORMANCES OF GAS TURBINE PLANT
thermal barrier coatings zirconia gas turbine
2009/10/14
Zirconia stabilized with 8 wt.% Y2O3 is the most common material to be applied in thermal barrier coatings owing to its excellent properties: low thermal conductivity, high toughness and thermal expan...
MATHEMATICAL MODEL OF UNSTEADY GAS TO SOLID PARTICLES HEAT TRANSFER IN FLUIDIZED BED
bubbling fluidized bed heat transfer temperature field
2009/10/14
The mathematical model of unsteady one-dimensional gas to particles heat transfer for non-isothermal fluidized bed with periodic heating of solid particles has been described. The method of numerical ...
Diffusion Welding Under Protective Gas Atmosphere and its Application
Diffusion welding argon gas
2009/10/14
In this study, di usion welding technique was applied to pure copper and aluminium in argon gas. An experiment set has been designed and series of experiment have been performed. In order to investiga...
CONJUGATED HEAT TRANSFER ANALYSIS OF GAS TURBINE VANES USING MACCORMACK'S TECHNIQUE
internal cooling turbine vanes conjugate heat transfer
2009/10/14
It is well known that turbine engine efficiency can be improved by increasing the turbine inlet gas temperature. This causes an increase of heat load to the turbine components. Current inlet temperatu...
