نتایج جستجو برای: imep
تعداد نتایج: 122 فیلتر نتایج به سال:
Recently, multiple-input multiple-output (MIMO) technology has been introduced into magnetic resonant coupling (MRC) enabled wireless power transfer (WPT) systems for concurrent charging of multiple devices. However, impedance mismatching phenomena caused by strong TX-RX, TX-TX, or RX-RX greatly affect the delivered to load (PDL) in practical systems. To solve this issue, we propose an effectiv...
In wired networks routers are aware of all other routers to which they are directly connected. In contrast, in mobile ad hoc networks (MANETs) a mobile router (node) will not be aware of all nodes within its transmission range. While many MANET routing protocols have been proposed in the literature, only few of them mandate proactive neighborhood discovery protocols like the Internet message en...
شناخت تغییرات سیکلی که به نوع سوخت، نسبت هم¬ارزی، سرعت و بار موتور و مشخصه¬های هندسی موتور وابسته است از اهداف اصلی است و می¬تواند سبب نوسانات قدرت خروجی و هیدروکربن نسوخته شود. در کار حاضر اثر دو نوع سوخت بنزین و گازطبیعی روی تغییرات سیکلی در حالت مخلوط فقیر مورد بررسی قرار گرفته و از اندازه¬گیری تغییرات فشار داخل سیلندر بیش از 400 سیکل پشت سرهم یک موتور پژوهشی استفاده شده است. این بررسی برای ...
This study aimed to assess the effectiveness of nonthermal plasma (NTP) technology utilizing a dielectric barrier discharge (DBD) reactor, both with and without exhaust gas recirculation (EGR), in reducing soot particles their impact on nitrogen oxides (NOx). The experiment involved maintaining constant flue flow rate 10 l/min, employing high voltage values 0, 6, kV, fixed frequency 500 Hz sett...
A collaborative study IMEP-115 was organized by the European Union Reference Laboratory for Heavy Metals in Feed and Food (EURL-HM) to validate a method for the determination of methylmercury in seafood. The method was based on a liquid-liquid extraction with an organic solvent and with an aqueous cysteine solution. The final quantitation was done with an elemental mercury analyzer. Fifteen lab...
With increasingly stringent emissions regulations, there are growing demands for the transient performance of diesel engines. This study conducted a bench test on two-stage turbocharged heavy-duty engine to optimize its during load increase (20% 100% in 1 s) at constant speed (1200 RPM) process. The results showed that control scheme using low-pressure EGR system resulted 42.1% reduction peak v...
The aim of this study is to evaluate a heavy duty diesel engine operation under reactivity controlled compression ignition combustion fueled with diesel oil and natural gas enriched with hydrogen and nitrogen addition. In this study, a single cylinder heavy– duty diesel engine is set to operate at 9.4bar gross IMEP (Mid- Load). The amount of injected diesel oil per cycle into the engine combust...
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