10,982 research outputs found

    Is Aerospace Education Outdated?

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    In considering a topic for the Issues in Education Panel at the 1993 National Congress for Aviation and Space Education, it appeared logical to consider a basic question: Is the current aerospace education effort outdated at this time? A quick response is no....but this demise could happen if we fail to adjust to the rapid changes that are taking place throughout our society and subsequently in our schools. The shifting school environment and the emerging generation of adolescents require new considerations in developing materials and activities for aviation/space education. About two years ago an awareness of the gradual decline of young people joining aviation organizations or otherwise becoming involved with their activities was a priority concern of the 39 member organization Illinois Aviation Forum

    A word frequency study and glossary of terms peculiar to Gregg shorthand teaching methodology

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    Thesis (M.A.)--Boston University, 1948. This item was digitized by the Internet Archive

    Editorials

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    Flow rate measurement of Logan outfall effluents

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    Training Extension Professionals from Developing Countries Through Educational Workshops Conducted in the United States

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    Many opportunities exist for conducting stateside professional improvement workshops to train Extension professionals from developing countries. To conduct a successful workshop it is important to understand the needs of the partner country and identify participants who can use their workshop training to address those needs. An effective workshop will have high-quality field trips, practical classroom instruction, and opportunities for cultural exchange. Pre-workshop planning and close attention to logistical issues are essential to the success of the workshop. Good evaluation of the workshop is important to measure the impacts of the workshop and provide input for improving future workshops

    Submerged Parshall Flumes of Small Size

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    The calibration of small Parshall flumes for measuring flows ranging in magnitude from 0.1 to 1.1 cubic feet per second (cfs) was accomplished by A. R. Robinson (1960) at Colorado State University. The purpose of Robinson’s investigation was to accurately calibrate and standardize the design of small Parshall measuring flumes. The rated flumes were constructed of galvanized sheet metal. Data was collected for Parshall flumes having throat widths of 1-, 2-, and 3- inches. Calibration tables or curves were prepared for both free and submerged flow. The dimensions of the Parshall flumes rated by Robinson are shown in Figure 1. The study reported herein was made to illustrate that the analysis of submergence developed at Utah State University (Hyatt, 1965) for trapezoidal flumes is applicable to small Parshall flumes. The data reported by Robinson (1960) is analyzed by the submergence parameters reported by Hyatt (1965) and the resulting equations and calibration curves are listed in this report

    Submergence in a Two-Foot Parshall Flume

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    The primary objective in this study was to ascertain the validity of the method of analyzing submergence developed by Hyatt (1965) in a standard 2-foot Parshall flume. The method of analyzing submergence was first developed for a trapezoidal flume (Hyatt, 1965), was later verified for a rectangular flume (Skogerboe, walker and Robinson, 1965), and has been shown by the authors to be valid for small Parshall flumes (Skogerboe, Hyatt, Johnson, and England, 1965). In view of previous findings, it was felt the method would also be valid for large Parshall flumes, and for this purpose the 2-foot flume was selected. One other objective of the study was to analyze the possibility that another, or possibly better, point of downstream measurement might be found. To accomplish this, two other points, designated c and d, were selected downstream. The downstream depth measurement is usually taken in the throat as a referenced point designated b. The resulting equations and calibration curve are listed in this report

    Measuring Water with Parshall Flumes

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    Preface: As the value of water increases, the extent to which measurement is employed in an irrigation system also increases. Additional flow measurements provide information for improved management of the water supply. Good water management requires accurate measurement. Many devices have been developed for this purpose and are in use. Included among them are weirs, orifices, calibrated gates, Parshall flumes, and current meters. Of these, the Parshall flume is one of the most widely accepted and used. Presented in this publication is a discussion concerning the use of Parshall flumes for measuring water, including the utilization of a new approach for treating submerged flow that was developed at Utah State University. The information presented on free flow has been taken from the origianl publications of Ralph L. Parshall, and the bulletin, Measurement of Irrigation Water, prepared by Eldon M. Stock. Utilizing data developed by Ralph L. Parshall, A. R. Robinson, and the authors
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