نتایج جستجو برای: gas injection rate

تعداد نتایج: 1314584  

Journal: :iranian journal of oil & gas science and technology 2013
mohammad khalili riyaz kharrat karim salahshoor morteza haghighat sefat

one of the mostly used enhanced oil recovery methods is the injection of water or gas under pressure to maintain or reverse the declining pressure in a reservoir. several parameters should be optimized in a fluid injection process. the usual optimizing methods evaluate several scenarios to find the best solution. since it is required to run the reservoir simulator hundreds of times, the process...

ژورنال: تحقیقات موتور 2020
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Today, due to the various usage of compression ignition engines in urban transportation, as well as the need to reduce exhaust emissions and control fuel consumption, the use of alternative fuels has become common in diesel engines. Gaseous fuel is one of the most common alternative fuels that can be used in diesel engines. The utilization of alternative fuels in compression ignition engines re...

Gholamreza Bashiri seyed Majid Hashemi

A typical Iranian carbonate matrix block surrounded by an open fracture was modeled in order to understand the fracture-matrix interaction and realize how to model the interaction best. The modeling was carried out by using a fine-scaled Eclipse model in the single porosity mode (the fractures were explicitly modeled). The model was extended to a stack of 6 matrix blocks to understand block-to-...

Journal: :Physics and Chemistry of the Earth, Parts A/B/C 2011

Journal: :iranian journal of science and technology transactions of mechanical engineering 2015
m. mansoury s. jafarmadar s. m. lashkarpour m. talei

in the present work, the simultaneous effects of fuel injection rate and injection of air jet into the combustion chamber on exhaust emissions, combustion process and performance parameters in a direct injection diesel engine were investigated. in order to create an air jet, a design was presented in which a secondary chamber (air cell) was created inside the cylinder and was joined to the main...

2006
Curtis M. Oldenburg

Depleted natural gas reservoirs are a promising target for Carbon Sequestration with Enhanced Gas Recovery (CSEGR). The focus of this study is on evaluating the importance of Joule-Thomson cooling during CO2 injection into depleted natural gas reservoirs. Joule-Thomson cooling is the adiabatic cooling that accompanies the expansion of a real gas. If Joule-Thomson cooling were extreme, injectivi...

2009
Eliton S. Medeiros Gregory M. Glenn Artur P. Klamczynski William J. Orts Luiz H. C. Mattoso

A solution blow spinning technique was developed using elements of both electrospinning and melt blowing technologies as an alternative method for making non-woven webs of microand nanofibers with diameters comparable with those made by the electrospinning process with the advantage of having a fiber production rate (measured by the polymer injection rate) several times higher. The diameters of...

Journal: :journal of petroleum science and technology 2015
chunsheng pu liming zheng jing liu jiaxiang xu

foam injection is widely applied in amounts of fields to drilling, production, and formation protection. sometimes, the application result is disappointing, which is caused by the failure of bubble generation in foam flooding. therefore, it is necessary to seek ways for improving the performance of foam injection. an increased disturbance to the stratum, like the vibration caused by a seismic o...

2010
W. Kang J. Machta E. Ben-Naim

We study inelastic gases in two dimensions using event-driven molecular dynamics simulations. Our focus is the nature of the stationary state attained by rare injection of large amounts of energy to balance the dissipation due to collisions. We find that under such extreme driving, with the injection rate much smaller than the collision rate, the velocity distribution has a power-law high energ...

Journal: :مهندسی بیوسیستم ایران 0
محمدحسین سعیدی راد مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی سودابه عین افشار مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی سعید ظریف نشاط مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی صمد نظرزاده اوغاز مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی

one way to increase the shelf life of agriculture products is using of controlled atmosphere storages. in order to obtain the controlled gas components, an equipped cold store with cooling system and atmosphere controller system designed and constructed. the injection of co2, o2 and n2 were controlled automatically into the store by programable logic control (plc). the store was a laboratory re...

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