Journal of Engineering back issues from September 2008:
Research results from University of Texas update understanding of aerospace research.
Sep 03, 2008 ... According to a study from the United States, "The concept of system of systems (SoS) and the challenges ahead to extend systems engineering (SE) to system of systems is introduced. The birth of a new engineering field may be on the horizon - System of Systems Engineering (SoSE)." ...
New nuclear power study results reported from J.O. Lee et al.
Sep 03, 2008 ... According to recent research from South Korea, "The thermo-hydro-mechanical (T-H-M) behaviors of a clay barrier are of importance from a performance and safety viewpoint of the engineered barrier system (EBS) for a high-level waste (HLW) repository. An engineering-scale test was carried ...
New agricultural research study findings recently were reported by researchers at Department of Agriculture.
Sep 03, 2008 ... According to a study from the United States, "A Mixture of two yeast antagonists, Metschnikowia pulcherrima and Cryptococcus laurentii, originally isolated from apples and exhibiting greater biocontrol activity against blue mold of apple than either yeast applied alone, were used in ...
Scientists at University of Michigan target materials science.
Sep 03, 2008 ... According to recent research from the United States, "The design, processing, and evaluation of engineered cementitious composites (ECC) is investigated at large scales, up to 3 m(3) (4 yd(3)). The design of ECC is undertaken to retain the pseudo-tensile strain-hardening properties ...
Studies in the area of metals reported from University of California.
Sep 03, 2008 ... According to a study from the United States, "Laser-engineered net shaping (LENS) is a rapid direct manufacturing process. The LENS process can be analyzed as a sequence of discrete events, given that it is a layer-by-layer process." "The thermal history associated with the LENS ...
Research from E. Sanchez and colleagues provide new insights into structural and multidisciplinary optimization.
Sep 03, 2008 ... "This paper presents a general approach toward the optimal selection and ensemble (weighted average) of kernel-based approximations to address the issue of model selection," scientists writing in the journal Structural and Multidisciplinary Optimization report. "That is, ...
New science research from G.A. Abuelhebal and colleagues discussed.
Sep 03, 2008 ... "Tomatoes have great economic importance in greenhouse and field production in Egypt. Tissue culture and molecular engineering have provided rapid modes to develop desirable varieties of cultivated plant species," investigators in Giza, Egypt report. "Genetic engineering will ...
Studies conducted at A.C. Chang et al on engineering recently published.
Sep 03, 2008 ... According to a study from Taichung, Taiwan, "This paper deals with DOA estimation based on the modified fast independent component analysis (FastICA) technique with robust capabilities." "The proposed method with linear generalized circular-type array manifold model can mitigate ...
Researchers from Zhejiang University publish new studies and findings in the area of chemical engineering.(Report)
Sep 03, 2008 ... "Knowledge-based operation optimization methods may suffer from difficulties in modeling the chemical processes and solving the mathematical equations. In this paper, a data-based classification method for operation optimization is introduced," scientists in Hangzhou, People's Republic of ...
Research from Tsinghua University in the area of computer-aided design published.
Sep 03, 2008 ... "In most engineering applications, solutions derived from the lower-bound theorem of plastic limit analysis are particularly valuable because they provide a safe estimate of the load that will cause plastic collapse. A solution procedure based on the meshless local Petrov-Galerkin (MLPG) ...
New research on control engineering from University of Seville summarized.
Sep 03, 2008 ... According to a study from Seville, Spain, "The paper presents a new family of controllers for swinging up a pendulum. The swinging up of the pendulum is derived from physical arguments based on two ideas: shaping the Hamiltonian for a system without damping; and providing damping or energy ...
Researchers from Guangxi Normal University publish findings in mechanical engineering.
Sep 03, 2008 ... "A sequential heuristic algorithm is presented for the one-dimensional cutting stock problem in which a set of items with specified length and demand are cut from the stock rods such that the waste is minimized," scientists in Guilin, People's Republic of China report. "The ...
New manufacturing engineering study findings have been reported from J.S. Park et al.(Report)
Sep 03, 2008 ... "In this paper, a localization method is proposed for improving the curved plate fabrication process. In the curved plate forming, checking the similarity of a manufactured plate to a CAD model is a critical step, which can be done by aligning the manufactured plate to the CAD model," ...
Study results from Deakin University provide new insights into electrical engineering.
Sep 03, 2008 ... "We address the problem of adaptive blind source separation (BSS) from instantaneous multi-input multi-output (MIMO) channels. It is known that the constant modulus (CM) criterion can be used to extract unknown source signals," scientists in Geelong, Australia report. "However, ...
New composite materials study findings reported from United States Air Force.
Sep 03, 2008 ... "The creep behavior in interlaminar shear of an oxide-oxide ceramic matrix composite (CMC) was evaluated at 1200 degrees C in laboratory air and in steam using double-notch shear test specimens. The composite consists of a porous alumina matrix reinforced with laminated, woven ...
Researchers from University of Ghent detail findings in computational biology.
Sep 03, 2008 ... According to recent research published in the journal Medical & Biological Engineering & Computing, "Epilepsy is a neurological disorder caused by intense electrical activity in the brain. The electrical activity, which can be modelled through the superposition of several electrical ...
Reports on biomedical engineering findings from University of Victoria provide new insights.
Sep 03, 2008 ... According to recent research from Victoria, Canada, "This paper proposes a new morphology-based approach for the interslice interpolation of current transformer (CT) and MRI datasets composed of parallel slices. Our approach is object based and accepts as input data binary slices belonging ...
New industrial engineering research has been reported by scientists at University of Lille.
Sep 03, 2008 ... According to recent research from Ronchin, France, "The purpose was to investigate the propulsion cycle on each wheel during maximal wheelchair sprints when performed on a roller ergometer that can be adjusted according to wheel camber. Seven male wheelchair basketball players participated ...
Studies from University of Queensland provide new data on bioengineering.
Sep 03, 2008 ... According to a study from Australia, "Aeration phase length control and step-feed of wastewater are used to achieve nitrogen removal from wastewater via nitrite in sequencing batch reactors (SBR). Aeration is switched off as soon as ammonia oxidation is completed, which is followed by the ...
Research from University of London, Imperial College in the area of chemical engineering described.
Sep 03, 2008 ... According to recent research from London, the United Kingdom, "A hybrid experimental/computer-aided methodology for the design of solvents for reactions, recently proposed by the authors [Folic et al., AIChE J. 2007, 53, 1240-1256], is extended. The methodology is based on the use of a few ...
Researchers at University of Genoa release new data on control engineering.
Sep 03, 2008 ... According to a study from Genoa, Italy, "A moving-horizon state estimation problem is addressed for a class of nonlinear discrete-time systems with bounded noises acting on the system and measurement equations. As the statistics of such disturbances and of the initial state are assumed to ...
Reports from L.F. Ramirezverduzco and co-researchers add new data to research in chemical engineering.
Sep 03, 2008 ... According to recent research from Mexico, "In this work a study of dibenzothiophene removal by an oxidation-extraction scheme is presented. Experiments were carried out to observe the role that the solvent plays during the process, as well as the oxidizing agent and catalyst." ...
Research on chemical engineering published by scientists at National Autonomous University.
Sep 03, 2008 ... According to a study from Mexico, "The Kontogeorgis' approach (CPA; Ind. Eng. Chem. Res. 1996, 35, 4310) was employed for the extension of the Soave -Redlich - Kwong (SRK) equation to associating systems. The two-state association model (TSAM) of Cerdeirina et al. Q. Chem. Phys. 2004, 120, ...
Interwoven Names Jeff Kissling Senior Vice President of Engineering.
Sep 03, 2008 ... Interwoven, Inc. (NASDAQ:IWOV), a global leader in content management solutions, announced that Jeff Kissling has been appointed senior vice president of engineering. In this position, Kissling will lead all aspects of Interwoven's engineering and development efforts globally and will ...
Scientists at Technical University publish new data on mechanical engineering.
Sep 03, 2008 ... According to recent research published in the journal Mechanics Research Communications, "Rods and plates with weakenings are studied using homogenization approach." "For rods, two limiting cases amenable to asymptotic integration are considered," wrote I.V. Andrianov and ...
New chemical engineering study findings have been reported from I. Ortiz et al.
Sep 03, 2008 ... "Biofilters are an interesting alternative to treat airstreams polluted with gaseous alkanes from industrial activities. These hydrophobic compounds are difficult to treat by bacterial communities which are generally used in biofiltration," investigators in Mexico report. "In ...
Study findings from University of Illinois broaden understanding of manufacturing engineering.(Report)
Sep 03, 2008 ... "In this paper, the fouling of sintered alpha-alumina membranes by an uncontaminated semisynthetic metalworking fluid (MWF) is addressed. Experimental evidence of the form of flux reduction curves, scanning electron microscope images of the membranes, and MWF particle size measurements is ...
New chemical engineering findings from M. Kangas and co-authors described.
Sep 03, 2008 ... According to recent research from Turku, Finland, "An experimental investigation of structure-performance effects in zeolite catalyzed skeletal isomerization has been carried out. Two structurally different, medium-pore-size zeolites (H-TON and H-FER) with similar acidities were compared ...
Reports from University of Alberta advance knowledge in chemical engineering.
Sep 03, 2008 ... "The primary objective of this work was to study the pyrolytic conversion of fatty acids to produce deoxygenated, liquid hydrocarbon products for use as renewable chemicals or fuels. Stearic acid (n-octadecanoic acid) was chosen as a model compound for the free fatty acids liberated ...
Researchers from University of Zaragoza detail findings in chemical engineering.
Sep 03, 2008 ... "In this work, pyrolysis of sewage sludge in a fluidized bed was studied experimentally in order to obtain a liquid product able to be used in energetic applications. The influence of operational conditions on the product distribution was studied," researchers in Zaragoza, Spain report. ...
Research on mechanical engineering described by V. Monchiet and colleagues.(Report)
Sep 03, 2008 ... "A micro-macro approach of multiaxial fatigue in unlimited endurance is presented in this study, as an extension of a previous model recently proposed by the authors [Monchiet, V., Charkaluk, E., Kondo, D., 2006. A plasticity-damage based micromechanical modelling in high cycle fatigue ....
Research from University of Nottingham yields new findings on materials engineering.
Sep 03, 2008 ... "A high carbon (C70S6) steel has been laser surface treated using CO2 and diode lasers in order to produce an embrittled region which can act as a fracture notch. Such a process has been investigated as a precursor to the fracture splitting of automotive engine connecting rods," ...
New findings from Mingdao University describe advances in chemical engineering.
Sep 03, 2008 ... According to recent research from Taiwan, "Micron-sized particles of cholesterol-imprinted polymers were synthesized by seeded suspension polymerization in a mixture of 2-propanol and water using polystyrene microbeads as the seeds. Methacrylic acid was employed as the functional monomer ...
Investigators at University of Florida target chemical engineering.
Sep 03, 2008 ... According to a study from the United States, "In phase-change problems, there are domain and surface contributions to the dynamics of a moving front. It is ordinarily assumed that the surface contributions are in complete control." "This is likely to be true in the case of ...
Data from P.M. Wang and colleagues advance knowledge in chemical engineering.
Sep 03, 2008 ... "A comprehensive model has been developed for calculating the thermal conductivity of aqueous, nonaqueous, and mixed-solvent electrolyte systems ranging from dilute solutions to fused salts or pure solutes. The model consists of a correlation for calculating the thermal conductivity of ...
Research results from Wageningen University update knowledge of bioengineering.
Sep 03, 2008 ... According to recent research published in the journal Biotechnology and Bioengineering, "Biological reduction of nitric oxide (NO) to di-nitrogen (N-2) gas in aqueous Fe(II)EDTA(2-) solutions is a key reaction in BioDeNOx, a novel process for NOx removal from flue gases. The mechanism and ...
Research results from L.M. Nunes and colleagues update understanding of chemical engineering.
Sep 03, 2008 ... According to a study from Goias, Brazil, "Crystalline alpha-titanium hydrogenphosphate with a maximum theoretical ion-exchange capacity of 7.60 mmol g(-1) had aromatic organic 3- and 4-aminopyridine molecules inserted into the free lamellar space at 2.32 and 3.14 mmol g(-1). This expands ...
Studies conducted at J.R. Lin et al on mechanical engineering recently published.(Report)
Sep 03, 2008 ... "The combined effects of non-Newtonian couple stresses and rotational inertia on the squeeze film behaviours between parallel rotating circular discs have been analysed in this paper," investigators in Taiwan report. "On the basis of Stokes micro-continuum theory, the ...
Scientists at Technical University of Denmark target chemical engineering.
Sep 03, 2008 ... "Two statistical thermodynamic models, the nonrandom hydrogen bonding (NRHB) theory, which is a compressible lattice model, and the simplified perturbed-chain-statistical associating fluid theory (sPC-SAFT), which is based on Wertheim's perturbation theory, were used to model liquid-liquid ...
Research reports from T. Geyer and co-authors provide new insights into control engineering.
Sep 03, 2008 ... "This paper focuses on the NP-hard problem of reducing the complexity of piecewise polyhedral systems (e.g. polyhedral piecewise affine (PWA) systems). The results are fourfold," scientists in Munich, Germany report. "Firstly, the paper presents two computationally attractive ...
Data on molecular engineering detailed by R. Lach and co-authors.
Sep 03, 2008 ... "Well-defined correlations exist between the maxima in mechanical loss factor and the local maxima in temperature- or loading-speed-dependent fracture toughness. The non-linear viscoelastic fracture processes and small-strain deformations are characterised by the same Arrhenius-type ...
Research conducted at Bogazici University has updated our knowledge about computational biology.
Sep 03, 2008 ... "We propose a method to do constrained parameter estimation and inference from neuroimaging data using general linear model (GLM). Constrained approach precludes unrealistic hemodynamic response function (HRF) estimates to appear at the outcome of the GLM analysis," researchers in ...
Study results from Da-Yeh University update understanding of engineering.
Sep 03, 2008 ... "This paper presents both analytical thermodynamic analysis and experimental results of ethanol steam reforming in a thermal plasma reformer at various working conditions. Since our thermal plasma reformer can work well at atmospheric pressure, a thermodynamic equilibrium prediction is ...
New chemical engineering study findings have been reported by scientists at University of Mumbai.
Sep 03, 2008 ... "E-waste management via liquid emulsion membrane (LEM) process for the extraction and enrichment of cadmium(II) has been studied using di-2-ethylhexyl phosphoric acid (D2EHPA) dissolved in n-dodecane as carrier and methane sulfonic acid (MSA) as a strip phase. The complexation ...
Research results from A.S. Das and co-authors update knowledge of mechanical engineering.
Sep 03, 2008 ... According to a study from New Delhi, India, "A modified System Equivalent Reduction Expansion Process (SEREP) is reported to reduce large linear system-equations of motion, which also include gyroscopic effect, internal and external damping." "The process is employed on ...
Investigators at University of Leicester have published new data on control engineering.
Sep 03, 2008 ... "This paper proposes an on-line sliding mode control allocation scheme for fault tolerant control. The effectiveness level of the actuators is used by the control allocation scheme to redistribute the control signals to the remaining actuators when a fault or failure occurs," scientists ...
Research reports from S. Rakuff and co-authors provide new insights into manufacturing engineering.(Report)
Sep 03, 2008 ... "Diamond turning of microstructures on the surface of large cylindrical workpieces has become important with advances made in roll-to-roll manufacturing processes of optical films, drag reduction films, microfluidic devices, and organic electronic components. Micromachined cylindrical ...
Research on electrical engineering detailed by M. Arif and co-authors.(Report)
Sep 03, 2008 ... According to a study from Lahore, Pakistan, "The performance and design of a deterministic interleaver for short frame turbo codes is considered in this paper. The main characteristic of this class of deterministic interleaver is that their algebraic design selects the best permutation ...
Data on engineering discussed by researchers at Feng Chia University.
Sep 03, 2008 ... According to a study from Taichung, Taiwan, "Poly-dimethylsiloxane (PDMS) valveless micropumps with single chambers and double chambers, based on a reciprocation principle, are fabricated in this work. A drive test of a piezoelectric valveless PDMS micro pump is conducted and the influence ...
Studies from N.K. Gill and colleagues provide new data on bioengineering.
Sep 03, 2008 ... "Miniature parallel bioreactors are becoming increasingly important as tools to facilitate rapid bioprocess design. Once the most promising strain and culture conditions have been identified a suitable scale-up basis needs to be established in order that the cell growth rates and product ...
Recent findings in mechanical engineering described by researchers from University of Melbourne.
Sep 03, 2008 ... According to a study from Melbourne, Australia, "An experimental and numerical study of the spray from an air-assisted fuel injector in a direct-injection spark ignition (DISI) engine is presented. The experiments are performed using ultraviolet laser diagnostics in a motoring optical ...
New chemical engineering research from J.D. Olson and colleagues discussed.
Sep 03, 2008 ... According to a study from the United States, "A stirred-flask ebulliometer was used to measure total vapor-pressure (PTx) data on nine mixtures of water + acrylic acid (and the pure components) between 45 and 112 degrees C and pressures from 10.00 to 101.325 kPa. These PTx data and the ...
Research from R.Y. Huang and colleagues provide new insights into engineering.
Sep 03, 2008 ... "The objective of this research is to develop a framework for the assessment of green highway projects. Highway construction is chosen from among the various types of large-scale infrastructure because they cover broad areas and take up a large share of a nation's infrastructure ...
New bioengineering study findings recently were published by researchers at Delft University of Technology.(Report)
Sep 03, 2008 ... According to recent research from Netherlands, "Glycerol is an important byproduct of bioethanol and biodiesel production processes. This study aims to evaluate its potential application in mixed culture fermentation processes to produce bulk chemicals." "Two chemostat reactors ...
Research results from A. Shankara and colleagues update understanding of engineering.
Sep 03, 2008 ... "Molybdenum disulphide (MoS2) based solid lubricant mixtures containing zirconia and graphite were prepared in the laboratory and coated on steel specimens. The experiments were done using reciprocating scratch test for various numbers of cycles," scientists writing in the journal Sadhana ...
Scientists at Polytechnic University target mechanical engineering.(Report)
Sep 03, 2008 ... According to recent research from Madrid, Spain, "The purpose of this study is to determine the critical wear levels of the contact wire of the catenary on metropolitan lines. The study has focussed on the zones of contact wire where localized wear is produced, normally associated with the ...
New research on mechanical engineering from S.J. Park and co-authors summarized.(Report)
Sep 03, 2008 ... "In the case of bus rollover, the body structure of a bus should be designed to ensure a survival space for passengers. This study focused on evaluating the rollover strength of a large bus at the initial stage of vehicle development," scientists in South Korea report. "For ...
Reports summarize chemical engineering study results from Iowa State University.
Sep 03, 2008 ... "Images of thermodynamic fundamental and state functions for pure, binary, and ternary systems have been created using high-performance computer graphics," researchers in the United States report. "Results were obtained from integrations of the Peng-Robinson equation, using ...
Reports outline chemical engineering study findings from Tufts University.
Sep 03, 2008 ... "This paper first demonstrates that the estimation of fractional solid composition of two diastereomers is possible by incorporating Raman spectra, slurry density, and temperature into a partial least squares (PLS) model. Since slurry density measurement is not readily available, the ...
New research on bioengineering from K. Naghmouchi and co-authors summarized.
Sep 03, 2008 ... "Pediocin PA-1 production by Pediococcus acidilactici UL5 cells immobilized in kappa-carrageenan/ locust bean gum gel beads was studied during repeated-cycle batch (RCB) culture with pH control in Man Rogosa and Sharpe (MRS) broth supplemented with 1% glucose and whey permeate (SWP) ...
Research on chemical engineering described by A. Thakur and colleagues.
Sep 03, 2008 ... According to recent research published in the journal Chemical and Biochemical Engineering Quarterly, "A statistical programme using Box-Behnken design, which applies a response optimization algorithm, was used to calculate and optimize simultaneously the lactic acid extraction by emulsion ...
Study data from University of Orleans update understanding of control engineering.
Sep 03, 2008 ... According to a study from France, "This contribution proposes a robust recursive algorithm for the state estimation of linear models with unknown but bounded disturbances corrupting both the state and measurement vectors." "A novel approach based on state bounding techniques is ...
New engineering research from Y.C. Tzeng et al outlined.(Report)
Sep 03, 2008 ... According to a study from Miaoli, Taiwan, "For a multiple classifiers system, a weighting policy is applied to fuse knowledge acquired by classifiers to arrive at an overall decision that is supposedly superior to that attainable by any one of them acting alone. The distance measured ...
Raven Industries Reports Strong Performance for Second Quarter, First Half.
Sep 03, 2008 ... Raven Industries, Inc. (NASDAQ:RAVN) announced that continued growth in Flow Controls Division sales resulted in strong increases in revenues and earnings for the three and six months ended July 31, 2008. Strong Performance in Flow Controls, Aerostar Lift Second Quarter, First ...
Research from P.M. Jordan and co-researchers in the area of mechanical engineering published.(Report)
Sep 03, 2008 ... "Working in the context of a simple, one-dimensional, initial-boundary value problem involving homogeneous Dirichlet boundary data, we show that the time delayed heat equation can exhibit a type of instability with respect to the initial condition (IC); specifically, we show that a slight ...