Research ArticleOpen accessIn the abstractAn Investigation of the Effect of Aspect Ratio on the Airfoil PerformanceM. Kopaç, M. Yılmaz, T. GültopThe effect of aspect ratio on the airfoil performance is investigated for airflow about axially symetric wings as a function of the angle of attack. The magnitudes of aerodynamic forces and moments on airfoils resulting from the incompressible viscous flow fields are determined experimentally. The TE54 wind tunnel used for the experiments is an open conduit and has a 300x300 … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 7,682 accessesView PDFCite
Research ArticleOpen accessIn the abstractTransducer for Tension Force Measuring of Strip MaterialsEmad Said AddasiIn winding-up motor drive systems, such as that used in textile industry, it is very important to get a constant tension force for the winding strip material (thread) and to reduce its oscillations. This study recommends a transducer with a special design to be used in the mentioned motor drive systems. By using a piston damper, spring, levers, slider and … …American Journal of Applied Sciences, Vol. 2, Issue 1 · 31 Jan 2005 · 6,967 accessesView PDFCite
Research ArticleOpen accessIn the abstractExergoeconomic Analysis of a Refrigeration CycleDurriye Bilge, Galip TemirThe exergoeconomic theory is applied to a two stage vapour compression refrigeration cycle. An exergy-aided cost analysis, taking into account pressure drops and heat gain/loss for all of the components in the refrigeration system as well as the pipe connections, has been made. Exergoeconomic factors, showing whether the monetary expenditures mostly originate from capital investment and Operating and Maintenance (O&M) … …American Journal of Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2004 · 7,146 accessesView PDFCite
Research ArticleOpen accessIn the abstractChildren Perception on TV Advertisement: The Impact of Age, Gender and Parental InfluenceAhasanul Haque, Ali KhatibiThis study examined two components of understanding TV advertising: the recognition of the difference between programmes and commercials and the comprehension of advertising intent. ANOVA analyses were performed to assess the effect on age, gender, parent-child interaction and parental control over children of TV programme watching. Research found that majority of children aged between five and eight have some understanding … …American Journal of Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2004 · 7,357 accessesView PDFCite
Research ArticleOpen accessIn the abstractInformation Provided by Accrual and Cash Flow Measures in Determining Firms’ Performance: Malaysian EvidenceNorita Mohd Nasir, Shamsul Nahar AbdullahAccrual and cash flow measures have been argued to be able to evaluate firms’ performance, although the results are inconclusive throughout countries and time. This study examined the accrual and cash flow measures independently and jointly among Malaysian firms. The study predicted that the low cash flow subgroups (high income to cash flow firms) would show better results in operating, … …American Journal of Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2004 · 7,327 accessesView PDFCite