نتایج جستجو برای: l16
تعداد نتایج: 398 فیلتر نتایج به سال:
This study investigated the optimization of three welding parameters (wire feed speed, arc voltage, and shielding gas flow rate) for SS 304H by using Taguchi based Grey relational analysis. In this research work, pure argon was used as shielding gas. Numbers of trials were performed as per L16 (4xx3) orthogonal array design and the mechanical quality such ultimate tensile strength, microhardnes...
در این تحقیق برای سنتز نانو�پودر فلورید کلسیم از روش رسوب شیمیایی و با مواد اولیه Ca (NO3)2 و HF در محیط آبی استفاده شد. روش طراحی آزمایش تاگوچی به منظور پیداکردن شرایط بهینه برای تولید نانو پودر فلورید کلسیم با اندازه ذرات کوچکتر به کار گرفته شد. آزمایش�ها در محدوده دمایی 30-75 درجه سانتیگراد، سرعت همزدن 300-800 دور بر دقیقه، pH مابین 3-9، درجه فوق اشباع 1-4 و درجه استوکیومتری 1-75/1 انجام شد....
<p>In the current study, three different photo-assisted sources were used to evaluate photo-Fenton oxidation process for pollutant degradation of mature landfill leachate. Solar, UV, and LED visible light photo adopted in this Fenton process. dosages (FeSO4 : H2O2) 1:30, 1.5:30, 2:30, 2.5:30g/L investigation, which was conducted under a variety pH settings (2 3.5) at experimental reaction...
In the present scenario, composites material is widely used in various engineering areas like satellite components, aircraft parts, chemical and sports industries. Graphite an allotrope of carbon that possesses electrical mechanical properties. this paper, graphite taken as reinforcement into epoxy matrix. study, hybrid optimization module developed to tackle multi-objective machining performan...
Natural fibres are possible substitutes for glass fibre in composite production because of their light weight, ease and biodegradability. The present study involves the use Taguchi grey relational analysis to optimize process parameters an epoxy based reinforced with sisal fibre. optimized Percentage by weight reinforcement, curing temperature, post time compounding pressure. A L16 orthogonal a...
In the present research, optimum condition of grout consisting cement, fly ash, superplasticizer, and water was determined to produce most durable impermeable deep mixing columns (DMC) on silty soils. It is aimed reduce cost environmental pollution by using high-rate ash in grout. Superplasticizer additive used increase flow consistency ash. The design experiments made 5-parameter 4-level L16 o...
Friction stir welding (FSW) of aluminium alloy AA1100 is investigated in this work. The process parameters considered the work includes; tool tilt angle, pin geometry, rotational speed and speed. tensile strength, temperature hardness are as responses selection optimum for maximizing minimization demonstrated using Taguchi technique Response surface methodology. Four levels selected L16 orthogo...
تحقیق حاضر به منظور بررسی میزان تاثیرپذیری اندازه غده پینه آل مولدهای صافی ماهی لکه سفید (Siganus sutor) در برابر شدت و دوره های نوری مختلف انجام گرفت. بدین منظور ماهیان در 9 تیمار، تحت شرایط نوردهی مصنوعی با سه نوع دوره و شدت نوری شامل (D8 : L16، D12: L12، D16 : L8 و 1000، 2000، 3000 لوکس) به انضمام یک تیمار شاهد (نور طبیعی) در مدت 60 روز، در موسسه تحقیقات اکولوژی خلیج فارس واقع د...
The effect of squeeze casting process parameters on wear behavior of AC2A aluminium alloy was primarily investigated in this experimental study. Five process parameters, namely squeeze pressure, pouring temperature, die temperature, die material and compression time, each at four levels were chosen and sixteen experimental runs based on L16 orthogonal array were performed. From analysis of vari...
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