نتایج جستجو برای: at three drying air velocity of 1

تعداد نتایج: 21724433  

Journal: :international journal of environmental research 2010
m. ismail a.m. abdul rahman

this paper discusses the results of the full-scale field measurement study to investigate the most efficient application strategy of the hybrid turbine ventilator (htv) in improving the indoor thermal comfort in hot-humid tropics. the effects of three different htv application strategies performance on improving the levels of indoor air temperature, relative humidity (rh) and air velocity were ...

2008
Darko VELIĆ Mirela PLANINIĆ Ana BUCIĆ-KOJIĆ Krunoslav ALADIĆ

Th e drying characteristics of “Granny Smith” apples were analysed using a tunnel drier at diff erent temperatures and diff erent pre-treatments. „Granny Smith“ apples were cut into rectangle-shaped samples 20x20x5 mm in size. Th e drying temperatures for non-treated samples varied from 50oC to 80oC at airfl ow velocity of 2.8 m s-1. Prior to drying at 60oC, the samples were pretreated either t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

in chapter one we will describe definitions and preliminary results to provide the global context of our own results to be presented in detail in the subsequent chapters in chapter two we consider degree-one maps of the circle and we study their rotation set. our main result in this chapter says that if the map is topologically mixing then its rotation interval is nontrivial (that is, not reduc...

This paper presents a detailed account of computational fluid dynamics (CFD) simulations undertaken to investigate the influence of intake (ventilation) air velocities on the flow patterns of diesel particulate matter (DPM) generated by a man-riding vehicle operating in a straight rectangular cross section tunnel in an underground coal mine. The simulation results are validated against an earli...

2009
Ido Seginer Markus Bux

Modelling solar drying rate of waste-water sludge Ido Seginer* and Markus Bux 1 Civil and Environmental Engineering, Technion, Haifa, Israel 2 Agricultural Engineering, University of Hohenheim, Germany *Corresponding author. Fax: 972 4 829 5696; E-mail: [email protected] Efficient solar drying requires that the drying rate is quantitatively known as a function of the environment and th...

Journal: :تحقیقات مهندسی کشاورزی 0
سعید ملک عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان محسن حیدری سلطان آبادی عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان مرتضی خان احمدی عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان حمیدرضا قزوینی عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان عادل میرمجیدی عضو هیئت علمی موسسه تحقیقات فنی و مهندسی کشاورزی کرج محمد شاهدی استاد دانشکده کشاورزی دانشگاه صنعتی اصفهان اصغر کرمانی

this study evaluated the use of the solar dryer at esfahan agricultural research center for drying prunes. a factorial experiment was carried using a randomized complete block design with four replications. the four methods used to accelerate prune drying were: control group (no treatment), mechanical perforation at one week of drying, blanching, submersion in australian cold dip method. the dr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده ادبیات و علوم انسانی 1391

‘romanticism’ and ‘romantic’ are among the most controversial terms in literature. most readers, when encountering these words, would think of the well-known period of romanticism of the first three decades of the nineteenth century and the great six english poets known as ‘the big six’ of this period. however, romanticism does not belong to certain artists in a special period; one may seek ele...

2013
Horieh Moosavi Maryam Forghani Esmatsadat Managhebi

OBJECTIVES This study evaluated the effect of three different air-drying times on microleakage of three self-etch adhesive systems. MATERIALS AND METHODS Class I cavities were prepared for 108 extracted sound human premolars. The teeth were divided into three main groups based on three different adhesives: Opti Bond All in One (OBAO), Clearfil S(3) Bond (CSB), Bond Force (BF). Each main group...

Journal: :مهندسی بیوسیستم ایران 0
هادی باقری کارشناس ارشد مکانیک ماشین های کشاورزی، ایران ، تهران ، پاکدشت ، دانشگاه تهران (پردیس ابوریحان)، گروه فنی کشاورزی، دانشگاه تهران ـ پردیس ابوریحان اکبر عرب حسینی دانشیار (دکتری مکانیک ماشین های کشاورزی)، ایران، تهران، پاکدشت، دانشگاه تهران (پردیس ابوریحان)، گروه فنی کشاورزی، دانشگاه تهران ـ پردیس ابوریحان. محمدحسین کیانمهر استاد (دکتری مکانیک ماشین های کشاورزی)، ایران، تهران، پاکدشت، دانشگاه تهران (پردیس ابوریحان)، گروه فنی کشاورزی، دانشگاه تهران ـ پردیس ابوریحان.

in this paper the energy and exergy analyses in chamber drying process of thin layer drying of tomato in a forced solar drying was investigated. the experiments were carried out with two thicknesses of 5 and 7 and two airflows 0.5 m.s-1 and 1 m.s-1. during the experimental process, ambient temperature was between 22 and 36 , air relative humidity between was 14 and 50, and solar radiation range...

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