Journal of Engineering back issues from May 2009:
New science study results from Aristotle University described.
May 06, 2009 ... "In urban areas where there has been continuous occupation of the land for centuries, there are likely to be large areas of filled ground. Fills may have arisen inadvertently from the rubble of demolished buildings and the slow accumulation of refuse," researchers in Thessaloniki, Greece ...
Studies from J.W. Nichol et al further understanding of science.
May 06, 2009 ... "Tissue engineering creates biological tissues that aim to improve the function of diseased or damaged tissues. To enhance the function of engineered tissues there is a need to generate structures that mimic the intricate architecture and complexity of native organs and tissues," ...
Studies conducted at Technical University of Catalonia on science recently published.
May 06, 2009 ... "In a period of harmonisation of the higher education system in Europe, a question is if also learning about sustainability at the universities is converging and what advantages this may have. This paper is an effort to present and advance the work on describing desired sustainability ...
Data on heat transfer engineering reported by researchers at University of Bath.
May 06, 2009 ... "Maya crude oil fouling reveals a seemingly straightforward dependency of initial fouling rate on surface temperature, but a maximum is found in the initial fouling rate-velocity relationship, which mirrors that found in a model chemical system of styrene polymerization. The linear ...
Researchers from Technion publish findings in nature physics.
May 06, 2009 ... According to recent research from Haifa, Israel, "When two Bose-Einstein condensates collide with high collisional energy, the celebrated matter-wave interference pattern appears(1). For lower collisional energies, the repulsive interaction energy becomes significant, and the interference ...
Study results from University of Alberta provide new insights into information technology.
May 06, 2009 ... "One of the common endeavours in engineering applications is outlier detection, which aims to identify inconsistent records from large amounts of data. Although outlier detection schemes in data mining discipline are acknowledged as a more viable solution to efficient identification of ...
Study data from I.L. Karle and co-authors update knowledge of chemical crystallography.
May 06, 2009 ... According to a study from the United States, "The structure of the benznenehexacarboxylic acid (mellitic acid, MA)-phenanthroline (PL) complex (MA(-2) 2PL(+1)) consisting of infinite stacks of phenanthroline separated for optimum pi-pi interactions and sandwiched between MA ribbons ...
Research by I. Polishuk and colleagues in fluids provides new insights.(Report)
May 06, 2009 ... According to recent research from Israel, "This Study evaluates the accuracy of different analytical EOS models in predicting isochoric heat capacity experimental data, a subject that has not received major attention so far, Contributions of the temperature dependency for the cohesive ...
Reports from Dalian University of Technology highlight recent research in automotive technology.
May 06, 2009 ... According to recent research published in the International Journal of Automotive Technology, "The concept design phase is a critical step in auto-body design, as it has a great effect on later design work. This paper describes the implementation of an auto-body structure design in the ...
Investigators at University of Twente zero in on chemical engineering.(Report)
May 06, 2009 ... According to a study from Netherlands, "In this article we study the effect of the inter-particle interaction on the bed dynamics, by considering a variable restitution coefficient. The restitution coefficient is varied in time and space depending on the moisture content due to the ...
Reports on structural engineering findings from M.E. Rodriguez and co-researchers provide new insights.
May 06, 2009 ... "This article proposes a damage index for the seismic analysis of Reinforced Concrete members using the hysteretic energy dissipated by a structural member and a drift ratio related to failure in the structure," scientists in Mexico report. "The index was calibrated against ...
New computer-aided design research from Tsinghua University outlined.
May 06, 2009 ... According to recent research from Beijing, People's Republic of China, "A discontinuous Galerkin (DG) finite element method for the heat conduction problems with local high gradient and thermal contact resistance is presented. The DG formulation Is constructed by employing the ...
New microelectronic engineering study findings have been reported by researchers at University of Glasgow.(Report)
May 06, 2009 ... According to recent research published in the journal Microelectronic Engineering, "In this paper a quantitative determination of the elemental distributions across a similar to 10 nm Ga2O3/GdGaO layer with Pt metal gate cap on top of an InGaAs/AlGaAs/GaAs substrate is presented." ...
Study data from J. Tunna et al provide new insights into mechanical engineering.
May 06, 2009 ... "The steering forces between the rail and wheels of freight vehicles can cause rolling contact fatigue (RCF) of the rail under normal curving conditions. A parametric study has been performed to quantify the effects of various freight vehicle parameters on the generation of RCF," ...
Scientists at University of Magdeburg discuss research in computer engineering.
May 06, 2009 ... According to a study from Magdeburg, Germany, "We consider the real-time scheduling of the local processing tasks of a distributed sensor fusion application." "The particular problem lies in the environment dependent and hence unpredictable execution times of these tasks, which ...
Investigators at University of Kurdistan publish new data on polar engineering.
May 06, 2009 ... According to recent research published in the Journal of Offshore Mechanics and Arctic Engineering - Transactions of the ASME, "Using large-eddy simulation technique for dense particle-fluid flows, the current-induced scour is predicted for both the mono- and bidispersed systems below a ...
Studies from North Carolina State University provide new data on manufacturing engineering.
May 06, 2009 ... According to recent research from the United States, "Common part failures in tube hydroforming include wrinkling, premature fracture, and unacceptable part surface quality. Some of these failures are attributed to the inability to optimize tribological conditions." "There has ...
Studies from E. Dewald and co-researchers yield new data on fusion technology.
May 06, 2009 ... "We use X-ray phase contrast imaging to characterize the inner surface roughness of deuterium-tritium (D-T) ice layers in capsules for future ignition experiments. It is therefore important to quantify how well the X-ray data correlate with the actual ice roughness," researchers in the ...
New civil engineering research has been reported by R.S. Gascoigne et al.
May 06, 2009 ... "The design and construction of civil and geotechnical work in a marine environment presents unique challenges to the engineering team charged with the delivery of such works. The work is particularly challenging when carried out close to the sea, where the combined effects of a ...
Research findings from Z. Ziobrowski et al update understanding of chemical and process engineering.
May 06, 2009 ... "The effects of heat and mass transfer on selectivity and mass fluxes were investigated during failing film evaporation of binary mixture on a vertical surface in the presence of stagnant inert gas. The mathematical model of the process with various simplifying assumptions concerning heat ...
Study data from R.T.K. Raj and colleagues update understanding of engineering and materials sciences.(Report)
May 06, 2009 ... According to recent research from Madras, India, "The core objective of this study is to present the details of the experimental procedure and measurement made in an axisymmetric swirler model. The flow through 8 blade 30 degrees vane swirler is studied experimentally." "An ...
New findings reported from Dalhousie University describe advances in acoustic research.
May 06, 2009 ... "A submerged fluid-filled cylindrical shell subjected to an external shock wave is addressed for the most general case when the internal and external fluids have different properties. Three distinctly different scenarios of interaction are identified depending on the parameter zeta defined ...
Studies from S.L. Guarino et al have provided new data on approximation theory.
May 06, 2009 ... According to a study from the United States, "Information, as well as its qualifiers, or meta-information, forms the basis of human decision-making. Human behavior models (HBMs) therefore require the development of representations of both information and meta-information." ...
Research data from Iran University update understanding of engineering.
May 06, 2009 ... "Multi-objective optimization using heuristic methods has been established as a subdiscipline that combines the fields of heuristic computation and classical multiple criteria decision making. This article presents the Non-dominated Archiving Ant Colony Optimization (NA-ACO), which ...
Research by R. Frohling and colleagues in mechanical engineering provides new insights.
May 06, 2009 ... According to a study from Pretoria, South Africa, "As the effectiveness of Transnet Freight Rail's current hi-rail lubrication strategy cannot be adequately quantified, an investigation into the level of surface protection between application cycles was initiated." "Influencing ...
Prosoft Engineering Announces the Release of Drive Genius 2.1.1.
May 06, 2009 ... Prosoft Engineering, Inc. announces the availability of Drive Genius 2.1.1, an update to its award-winning disk utility. Drive Genius 2 - Maintain, Manage and Optimize Your Hard Drive Is your Mac running slower? Is your hard drive filling up and you don't know why? Are you seeing the beach ...
Research on fusion technology published by E.H. Lundgren et al.
May 06, 2009 ... "A variety of shaped fill holes is needed in beryllium capsules for inertial confinement fusion experiments to allow for pyrolysis of the plastic (CH) mandrels, deuterium (D-2) or deuterium-tritium gas fill, and fill tube attachments," investigators in the United States report. ...
New mechanical engineering study results reported from H.J. Ji et al.
May 06, 2009 ... "This article describes miniaturized solid-state thin-film batteries (TFB) for electrical fuses as an in-flight power source for ammunition. The battery is composed of a cell module, a thermal switch, and a heat source," scientists in South Korea report. "The resistance of TFB ...
Boeing Selects Engineering Professors for 2009 Fellowship Program.
May 06, 2009 ... The Boeing Company (NYSE:BA) announced the nine engineering professors who will spend eight weeks this summer learning about key research and technology programs and sharing their perspectives as part of the company's Welliver Faculty Fellowship Program. "As one of the largest ...
Studies from X.W. Su and co-researchers update current data on chemical engineering.
May 06, 2009 ... "The synthesis of methyl salicylate (MS) from salicylic acid (SA) and dimethyl carbonate (DMC) was performed over a series of mesoporous aluminosilicates," investigators in Taiyuan, People's Republic of China report. "The results showed that mesoporous aluminosilicate was an ...
Research by M. Bayat and colleagues in structural engineering provides new insights.
May 06, 2009 ... "A theoretical solution for thermoelastic analysis of functionally graded (FG) rotating disk with variable thickness based on first-order shear deformation theory (FSDT) is presented. Material properties and disk thickness profile are assumed to be represented by power law distributions," ...
Research on heat transfer engineering published by S.J. Pugh et al.
May 06, 2009 ... "IHS ESDU recently published its latest User Guide to fouling in heat exchange systems, for systems with fresh water as the coolant. ESDU 08002 is the third in a group, following the development of the Crude Oil Fouling User Guide (ESDU 00016) and the Seawater Fouling User Guide (ESDU ...
New chemical engineering study findings have been reported from University of British Columbia.
May 06, 2009 ... According to recent research from Vancouver, Canada, "The feasibility of detecting instability in wet spouted beds via pressure fluctuation (PF) time-series analyses was investigated. Experiments were carried out in a cylindrical Plexiglas column of diameter 150 mm with a conical base of ...
Research conducted at University of California has provided new information about structural engineering.
May 06, 2009 ... According to a study from the United States, "Lead-rubber isolators represent a valid and economic solution for the seismic isolation of bridge structures and modern manufacturing techniques make available large devices. Velocity effects on small to medium-scale isolators have been ...
Studies in the area of chemical engineering reported from D. Clamond and co-researchers.
May 06, 2009 ... According to recent research from Nice, France, "A robust, fast, and accurate method for solving the Colebrook-like equations is presented. The algorithm is efficient for the whole range of parameters involved in the Colebrook equation." "The computations are not more demanding ...
New chemical engineering study findings have been reported from National Cheng-Kung University.
May 06, 2009 ... According to a study from Tainan, Taiwan, "Formation of a stereocomplex structure in a blend of isotactic and syndiotactic poly(methyl methacrylate)s (iPMMA/sPMMA) was found to be significantly enhanced by introducing a mutual miscible diluent of poly(ethylene oxide) (PEO) in the blend, ...
EMC Enhances SharePoint Security and Availability.
May 06, 2009 ... RSA(R) CONFERENCE 2009 -- EMC Corporation (NYSE:EMC), and its security division, RSA, announced new solutions that help customers simplify management and ensure the utmost security for Microsoft(R) SharePoint(R) environments. As organizations put SharePoint services to greater use, ...
Scientists at University of Granada detail research in structural engineering.
May 06, 2009 ... According to recent research from Granada, Spain, "An experimental investigation of an exterior waffle flat plate-column connection subjected to combined gravity and cyclic lateral loading is presented. The test model was designed according to construction practices used over ten years ago ...
Research from Shanghai Jiao Tong University reveals new findings on structural engineering.
May 06, 2009 ... According to recent research from Shanghai, People's Republic of China, "Residual stresses play a significant role in determining roll-formed members' behaviour and strength. This paper presents an extensive experimental investigation of the residual stresses in roll-formed square hollow ...
Scientists at University of British Columbia publish new data on heat transfer engineering.
May 06, 2009 ... "Heavy oil fractions rich in asphaltenes were mixed with diluents containing from 0.6 to 25% aromatics, and the resulting blends subjected to batch precipitation experiments at 85C, and thermal fouling tests at surface temperatures in the range 230-310C. Deposit compositions were ...
Research results from H.M. Feng and colleagues update understanding of chemical engineering.
May 06, 2009 ... "Poly(vinyl alcohol)- (PVA-) based activated carbon fibers (ACFs) with a high mesoporosity have been fabricated. The surface area and pore size distribution were fine-tuned by the careful control of the activation temperature and time," scientists writing in the journal Industrial & ...
New mechanical engineering study findings recently were reported by researchers at Nanyang Technological University.
May 06, 2009 ... According to recent research from Singapore, Singapore, "The article presents a flow field visualization study oil a typical payload shroud at transonic Mach numbers range. The numerical simulation over the heat shield is carried out by solving axisymmetric, turbulent, compressible, ...
New chemical engineering data have been reported by scientists at University of Sao Paulo.
May 06, 2009 ... According to recent research from Ribeirao Preto, Brazil, "This work evaluates the feasibility of the draft-tube spouted bed for drying of herbal extract. Drying runs were carried out according to a central composite design in a conical-cylindrical draft-tube spouted bed." "The ...
Research from University of Toulouse yields new findings on chemical engineering.(Report)
May 06, 2009 ... "All former studies reported that the separation of the low-relative-volatility binary mixture using a heavy entrainer in a batch rectifier imposed the obligatory withdrawal of the most-volatile original component. In this paper, we demonstrate that this does not always happen, and that ...
Findings from Technical University in engineering reported.
May 06, 2009 ... According to a study from Lodz, Poland, "In this article, two approaches to the design of reinforced composite flywheels are presented. The main goal of the optimization procedure is to maximize the accumulated kinetic energy of a flywheel." "The first approach is based on a ...
Studies conducted at M.S. Abdelhady et al on heat transfer engineering recently published.
May 06, 2009 ... According to a study from Egypt, "The influence of flow direction with respect to gravity on particulate fouling of heat exchangers is investigated experimentally to determine the optimal flow direction to minimize fouling. Four orientations of flow have been investigated: horizontal flow, ...
Studies conducted at J.T. Chang et al on mechanical engineering recently published.
May 06, 2009 ... According to a study from Harbin, People's Republic of China, "The theory of pulse periodic energy addition to hypersonic airflow off a vehicle to increase air mass capture and improve the performance of hypersonic inlets at Mach numbers below the design value is explored." ...
Pano Logic Appoints Parmeet Chaddha as Executive Vice President of Engineering.
May 06, 2009 ... Pano Logic®, the leader in centralized virtual desktops, announced the appointment of Parmeet S. Chaddha as executive vice president of engineering. In this position, Chaddha will be responsible for product strategy and leadership of the company's product development roadmap. He joins ...
New chemical engineering research reported from University of British Columbia.
May 06, 2009 ... According to a study from Vancouver, Canada, "Numerical simulations of the gas-solid flow in a flat-based spouted bed with a draft tube (DTSB) are conducted with a Eulerian-Eulerian granular kinetic model. The hydrodynamics of the flow in DTSB is investigated and compared with published ...
Recent findings from University of Naples highlight research in chemical engineering.
May 06, 2009 ... "Motivated by the production of compounds of good industrial value, pyrolysis of fir wood catalyzed by alkaline compounds (NaOH, KOH, Na2CO3, K2CO3, KC2H3O2, and NaCl) has been investigated. Catalysts have been impregnated in wood (preliminarily extracted with water) by means of aqueous ...
Research on structural engineering reported by scientists at Polytechnic University.
May 06, 2009 ... According to recent research from Xian, People's Republic of China, "It is still a serious challenge for structural engineers to effectively reduce the seismic responses of tall and super tall buildings to further improve these structural safeties. In order to solve this problem, in this ...
Data from S.K.D. Nath and colleagues advance knowledge in mechanical engineering.
May 06, 2009 ... According to recent research from Dhaka, Bangladesh, "A stiffened edge column of orthotropic composite material is considered to analyse the elastic field due to a uniform load over a part of the tip. By the approach of a displacement potential, the present mixed-boundary-value elastic ...
Research by Q. Li and colleagues in chemical engineering provides new insights.
May 06, 2009 ... According to recent research from Beijing, People's Republic of China, "Succinic acid is one of the platform chemicals that can be bioproduced from renewable resources. Separation of succinic acid by adsorption from model solutions and fermentation broth by weak alkaline anion exchange ...
Studies in the area of computer-aided design reported from University of Bologna.(Report)
May 06, 2009 ... According to recent research published in the journal Cmes - Computer Modeling in Engineering & Sciences, "In this paper, a finite element model has been developed for analysing the flexural vibrations of a uniform Timoshenko beam-column on a two-parameter elastic foundation. The beam wits ...
Studies conducted at Technical University of Denmark on chemical engineering recently published.
May 06, 2009 ... According to recent research from Lyngby, Denmark, "An experimental investigation of the spray drying behavior of droplets containing excipients and carrier materials used in the pharmaceutical and biotechnological industries has been conducted. Specifically, rice starch suspensions with ...
Data from M. Mitsios et al provide new insights into chemical engineering.
May 06, 2009 ... According to recent research from Vernaison, France, "Hydrocracking of a long-chain paraffin, n-hexadecane, was carried out on an amorphous Pt/SiO2 center dot Al2O3 bifunctional catalyst. Through an isomerization selectivity analysis, it was found that the behavior of the system approaches ...
New heat transfer engineering study findings have been reported by scientists at University of New Brunswick.
May 06, 2009 ... According to a study from Fredericton, Canada, "Studies of iron oxide deposition on Alloy-800 heat exchanger tubes have been part of a continuing research program at the University of New Brunswick (UNB); the present work formulates mechanisms for the effect of bubbles on deposition in ...
New chemical engineering study findings reported from L. Zhu and co-authors.
May 06, 2009 ... "N-Methylimidazolium functionalized strongly basic anion exchange resins in the Cl- form (RCI) and SO46- form (R2SO4) were synthesized and employed for adsorption of Cr(VI) from aqueous solution. FT-IR and elementary analysis proved the structures of anion exchange resins and the content ...
Data from J.M. Pomeroy et al provide new insights into nuclear physics.(Report)
May 06, 2009 ... According to a study from the United States, "In this paper, the use of tunnel junctions as sensors for estimating the potential energy sputtering yield of highly charged ions (HCIs) incident on ultra-thin insulating films is experimentally explored. HCIs are known to strongly ablate ...
Scientists at University of Missouri discuss research in chemical engineering.(Report)
May 06, 2009 ... According to recent research from the United States, "Glycerol has become readily available from biodiesel industry. High functionality and relatively low price make it a potential building block to produce value-added derivatives such as acrolein." "In this study, low-pressure ...
New chemical and process engineering study findings have been published by B. Buczek and colleagues.
May 06, 2009 ... "Active carbons obtained from renewable precursors were modified by potassium hydroxide treatment at 750 degrees C and 1:3 precursor/KOH mass ratio. The porous structure of active carbons was evaluated based on nitrogen adsorption-desorption data," investigators in Krakow, Poland report. ...
Data on chemical engineering published by M. Baghalha and colleagues.
May 06, 2009 ... According to recent research from Iran, "Long-term deactivation of a commercial CoMo/gamma-Al2O3 catalyst used in the hydrodesulfurization of a naphtha stream was studied using 35 months of operating data of an industrial HDS fixed bed reactor. The major sulfur-containing species of the ...
Reports outline structural engineering study findings from M.M. Pastor and colleagues.
May 06, 2009 ... "Starting from the set of bending tests of U sections performed in our laboratory and described in Part I. Experimental investigations [Pastor MM, Roure F. Open cross-section beams under pure bending. I. Experimental investigations. Thin-Walled Struct 2008:46(5):476-483.], a numerical ...
Studies from O. Benedettini and colleagues provide new data on mechanical engineering.
May 06, 2009 ... "Integrated vehicle health management (IVHM) is a collection of data relevant to the present and future performance of a vehicle system and its transformation into information can be used to support operational decisions. This design and operation concept embraces an integration of ...
Research from Fukuoka University has provided new data on chemical engineering.(Report)
May 06, 2009 ... According to a study from Fukuoka, Japan, "Flow characteristics of a spouted bed with a porous draft tube have been investigated experimentally." "In this study, both a cylindrical tube and a conical-cylindrical tube were used as the draft tube. As a result, the efficiency of ...