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Browsing Faculty of Engineering and Architecture (FEA) by Issue Date

Browsing Faculty of Engineering and Architecture (FEA) by Issue Date

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  • Experimental and numerical investigation of the effect of phase change materials on clothing during periodic ventilation 
    Ghali K.; Ghaddar N.; Harathani J.; Jones B. (PRINCETONPO BOX 625, PRINCETON, NJ 08540 USA, 2004)
    A numerical and experimental investigation is conducted of periodic ventilation processes in fabric containing microcapsules of phase change materials (PCM). When PCMS are added to textiles, they release heat as the liquid ...
  • Correlation of indoor-outdoor air quality in urban areas 
    El-Hougeiri N.; El Fadel M. (LONDON1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND, 2004)
    Indoor and outdoor air quality was investigated at 28 public locations with mostly mechanical ventilation systems. The locations were selected from various geographic categories representing different environments for ...
  • Pressure-based algorithms for multifluid flow at all speeds - Part II: Geometric conservation formulation 
    Moukalled F.; Darwish M. (PHILADELPHIA325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA, 2004)
    This work is concerned with the implementation and testing, within a structured collocated finite-volume framework, of seven segregated algorithms for the prediction of multiphase flow at all speeds. These algorithms belong ...
  • Natural convection in a trapezoidal enclosure heated from the side with a baffle mounted on its upper inclined surface 
    Moukalled F.; Darwish M. (PHILADELPHIA325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA, 2004)
    A numerical investigation examined the effects on heat transfer of mounting baffles to the upper inclined surfaces of trapezoidal cavities. Two thermal boundary conditions are considered. In the first, the left, short ...
  • Pressure-based algorithms for multifluid flow at all speeds - Part I: Mass conservation formulation 
    Moukalled F.; Darwish M. (PHILADELPHIA325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA, 2004)
    In this article, seven segregated single-fluid, pressure-based algorithms are extended to predict multifluid flow at all speeds. The extended algorithms form part of the mass conservation-based algorithms (MCBA) group, in ...
  • Towards a topographical model of narghile water-pipe café smoking: A pilot study in a high socioeconomic status neighborhood of Beirut, Lebanon 
    Shihadeh A.; Azar S.; Antonios C.; Haddad A. (OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2004)
    A pilot study of narghile water-pipe smokers in a cafe in the Hamra neighborhood of Beirut, Lebanon, was conducted to develop a preliminary model of narghile water-pipe smoking behavior for use in laboratory smoking machine ...
  • Price-driven economic order systems from a thermodynamic point of view 
    Jaber M.Y.; Nuwayhid R.Y.; Rosen M.A. (ABINGDON4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND, 2004)
    Many researchers have attempted to bridge their fields with others to gain insight into their own, benefiting from the synergies of such processes. As markets have become increasingly more competitive, disorder has become ...
  • A client-based customization framework for web applications using JNLP 
    Artail H.A. (AMSTERDAMPO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2004)
    Web personalization and customization are increasingly becoming important services for web users. The conventional approaches used in implementing these services often lead to poor responsiveness, lengthy network delays, ...
  • A tabu-gradient search-based optimization technique for synthesis of mechanisms 
    Smaili A.; Atallah N. (, 2004)
    Mechanism synthesis requires the use of optimization methods to obtain approximate solution whenever the desired number of positions the mechanism is required to traverse exceeds a few (five in a 4R linkage). Deterministic ...
  • GSM RF equipment testing and performance analysis 
    Fares A.; Khachan A.; Kasbah A.B.; Zeidan M.; Kayssi A. (, 2004)
    In this paper we present four Radio Frequency (RF) measurements used to evaluate fundamental performance parameters of Global System for Mobile Communications (GSM) equipment. We describe the relevant theory for each ...
  • Groundwater resources in Lebanon: A vulnerability assessment 
    Metni M.; El-Fadel M.; Sadek S.; Kayal R.; El Khoury D.L. (BASINGSTOKERANKINE RD, BASINGSTOKE RG24 8PR, HANTS, ENGLAND, 2004)
    This paper presents a regional groundwater vulnerability assessment for Lebanon using the DRASTIC model coupled with a GIS-based framework to prioritize protection efforts, whereby the most vulnerable areas to groundwater ...
  • Assessment of energy efficiency options in the building sector of Lebanon 
    Chedid R.B.; Ghajar R.F. (OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND, 2004)
    This paper examines the merits of implementing energy efficiency policies in the building sector in Lebanon following the approach normally adopted in Climate Change studies. The paper first examines the impact of the ...
  • A dynamic honeypot design for intrusion detection 
    Kuwatly I.; Sraj M.; Masri Z.A.; Artail H. (, 2004)
    A modern technology in the area of intrusion detection is honeypot technology that unlike common IDSs tends to provide the attacker with all the necessary resources needed for a successful attack. Honeypots provide a ...
  • Impacts of traffic-induced lead emissions on air, soil and blood lead levels in Beirut 
    Hashisho Z.; El-Fadel M. (DORDRECHTVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2004)
    Lead is a purely toxic heavy metal which induces a wide variety of adverse physiologic effects. Nevertheless, it has been mined and used for more than 8,000 years. Among the different contemporary sources of lead pollution, ...
  • The combined effect of step-feed and recycling on RBC performance 
    Ayoub G.M.; Saikaly P. (OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2004)
    The effect of step-feed and recycling on the efficiency of treatment in rotating biological contractors (RBCs) was investigated. Experiments were conducted on a RBC system consisting of two three-stage units. The two units ...
  • Submarine springs as an alternative water resource a field investigation 
    Ayoub G.; Khoury R.; Ghannam J.; Acra A.; Hamdar B. (, 2004)
    A general objective of the study was set at evaluating the feasibility of exploiting the submarine springs in the Chekka Bay, Lebanon, taking into consideration technical, economic, social, and environmental aspects of ...
  • Impact of step-feed on COD and BOD5 removal in rotating biological contactors 
    Ayoub G.; Saikaly P.; Ei-Fadel M.; Baydoun E. (LARCHMONT2 MADISON AVENUE, LARCHMONT, NY 10538 USA, 2004)
    A study was conducted to evaluate the effectiveness of step-feed in a rotating biological contactor (RBC) system consisting of two three-stage units (one control and one step-feed) treating synthetic wastewater. The ...
  • Comparison of bond strength of steel bars in normal- and high-strength concrete 
    Harajli M.H. (RESTON1801 ALEXANDER BELL DR, RESTON, VA 20191-4400 USA, 2004)
    A comparative analytical study of the average bond strength at failure of reinforcing bars embedded in unconfined normal-strength concrete (NSC) and high-strength concrete (HSC) is undertaken. The analysis makes use of an ...
  • Parametric sensitivity analysis of leachate transport simulations at landfills 
    Bou-Zeid E.; El-Fadel M. (OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2004)
    This paper presents a case study in simulating leachate generation and transport at a 2000 ton-day landfill facility and assesses leachate migration away from the landfill in order to control associated environmental ...
  • Transient current testing of dynamic CMOS circuits 
    Aaraj N.; Nazer A.; Chehab A.; Kayssi A. (LOS ALAMITOS10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1264 USA, 2004)
    We propose methods for testing dynamic CMOS circuits using the transient power supply current, iDDT. The methods are based on setting the primary inputs of the circuit under test, switching the clock signal and monitoring ...

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