نتایج جستجو برای: underground storage tank
تعداد نتایج: 210372 فیلتر نتایج به سال:
The liquid wastes produced during the processing of radioactive materials at the Savannah River Site were initially stored in large underground tanks constructed of carbon steel. These liquid wastes were generated from the Purex process (for producing plutonium) and the HM process (for producing tritium). The liquid wastes were designated as high-level wastes and lowlevel wastes. As the product...
Cleaning up and disposing of approximately 50 years of nuclear waste is the main mission at the U.S. Department of Energy’s Hanford Nuclear Reservation, located in the southeastern part of the state of Washington. A major element of the total cleanup effort involves retrieving, processing, and disposing of radioactive and hazardous waste stored in 177 underground storage tanks. referred to as t...
Biotransformation of dissolved groundwater hydrocarbon plumes emanating from leaking underground fuel tanks should, in principle, result in plume length stabilization over relatively short distances, thus diminishing the environmental risk. However, because the behavior of hydrocarbon plumes is usually poorly constrained at most leaking underground fuel tank sites in terms of release history, g...
To provide more reasonable references for remedying underground water, fuel leak was simulated by establishing an experimental model of a porous-aquifer sand tank with the same size as that of the actual tank and by monitoring the underground water. In the tank, traditional gasoline and ethyl alcohol gasoline were poured. This study was conducted to achieve better understanding of the migration...
بررسی و ارزیابی لرزه ای مخازن نگهدارنده آب بدلیل نقش حیاتی این مخازن پس از زمین کاملا ضروری است. مخازن بتنی مستطیلی آب بدلیل قابلیت اجرای ساده و در دسترس بودن مصالح بیشتر مورد استفاده قرار می گیرند. در این رساله با استفاده از نرم افزار adina 8.0.7 که بدلیل قابلیت بالا در مدلسازی و تحلیل سه بعدی سیال از این برنامه استفاده شده است مخزن بصورت سه بعدی مدل شده و رفتار آ ن برای دو زلزله منحیل و el ce...
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شکاف روز افزون بین عرضه و تقاضای انرژی و تخلیه سریع منابع برگشت ناپذیر سوختهای فسیلی و آثار مخرب زیست محیطی آنها عاملی برای توسعه منابع انرژی مکمل و جدید مانند منابع انرژی طبیعی(باد ، زمین و خورشید و ...) شده است. استفاده بهینه از این انرژیها مستلزم ذخیره آنهاست ویکی از بهترین راههای ذخیره انرژی حرارتی ذخیره آن در زیر زمین (under ground thermal energy storage ) است جایی که حجم زیادی موجود ولی ن...
many researchers have investigated how to increase the overall efficiency of solar-driven thermal systems. several key parameters, such as collector efficiency and storage tank characteristics, may impose some constraints on the annual solar fraction (asf) of such systems. in this paper, the behaviour of integrating the phase change material (pcm) in sdhw systems is modelled and optimized numer...
Abstract: In this study, the liquid-liquid equilibria of the mixtures consisted of ethanol, water, and the main components of gasoline fuel: pentane, hexane, and cyclohexane were experimentally determined. This study is related to the phase behavior when water in atmosphere is absorbed into ethanol + gasoline fuel (gasohol) and then possibly separates into two liquid phases in an automobile fue...
Many researchers have investigated how to increase the overall efficiency of solar-driven thermal systems. Several key parameters, such as collector efficiency and storage tank characteristics, may impose some constraints on the annual solar fraction (ASF) of such systems. In this paper, the behaviour of integrating the phase change material (PCM) in SDHW systems is modelled and optimized n...
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