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"Darbesha is a village development committee and the abode of Drabeshiyans (native inhabitants) in Morang District in Province No. 1 of south-eastern Nepal. It has been merged with Rangeli and known as part of the Rangeli Municipality since 2073 B.S. At the time of the 1991 Nepal census it had a population of 14,565 people living in 2709 individual households. It was supposed to be only VDC in Nepal where signal of mobile and wireless service is not available. Although Ncell and NTC have built low quality smaller towers on neighbouring Rangeli and Kanepokhari routes, no signal was felt on device on this VDC. Ranjani Chowk in Darbesha only received signal which was extremely low. But it does receive signal of Ncell with the internet capacity of 2G now. NTC signals cannot be received yet, however. Cable TV and electricity has reached there. Recent Survey estimates that if huge tower would be installed in Darbesha-1, it would be able to serve good quality of signal to smartphone and mobile users in whole Darbesha including neighbouring VDCs. Population Major languages in this VDC includes Nepali and Maithili. This VDC is thickly populated with major Nepalese ethnic groups such as Rajbanshi, Tajpuriya, Maithil (indigenous Madhesi), Brahmin and Chhetri. References Category:Village development committees in Morang District Category:Rangeli "
"Govindapur is a village development committee in Morang District in the Kosi Zone of south-eastern Nepal. At the time of the 1991 Nepal census it had a population of 11,437 people living in 2166 individual households. References Category:Village development committees in Morang District Category:Sunawarshi Category:Ratuwamai "
"Alden Research Laboratory's historic Venturi meter Alden Research Laboratory, Inc. (Alden) (Holden, Massachusetts) was founded in 1894 as part of Worcester Polytechnic Institute (WPI). It is the oldest continuously operating hydraulic laboratory in the United States.The Role of Contributions of Hydraulic Testing Labs: Part I, Industrial Revolution to World War I. George Hecker, Albert Feron, Bruce J. Pennino. Civil Engineering Practice: Spring/Summer 1999 Today, as an independent entity, Alden has become a recognized leader in the field of fluid dynamics research and development.The Role of Contributions of Hydraulic Testing Labs: Part V, Current and Future Trends. George Hecker, Albert Feron, Bruce J. Pennino. Civil Engineering Practice: Spring/Summer 2001 History Industrial Revolution = ASME Historic Landmark In light of the industrial revolution, the widespread use of water powered mills, and the need for higher and higher efficiencies, Professor George I. Alden of WPI saw the need for a new lab. The Hydraulic Testing Lab at WPI was established in 1894 on the site of an old woolen mill donated to the institute by Stephen Salisbury III. It was the third of its kind in the US. The first two instruments obtained for the lab, a wooden framed structure only 90' by 40', were a copper-lined weigh tank on a Fairbanks scale from the Philadelphia Centennial Exposition, and a 36" by 16" Herschel Venturi flow meter from the 1893 Chicago Columbian Exposition. These state of the art instruments were used by students to conduct experiments on the efficiency of full sized turbines, measure flows and head loss, and test a hydraulic ram.WPI Course Catalog 1895 In 1908 a wooden rotating boom was constructed on one of the ponds on the property to test large hydraulic equipment including current meters. In 1911 it was replaced by a steel boom which was used for the same purpose and eventually to test airplane propellers; it is now an ASME Historic Landmark.http://www.asme.org/Communities/History/Landmarks/Alden_Research_Laboratory.cfm = Mid-Century = Alden contributed to the war effort in the 1940s through studies of the physics of the entry of projectiles into water. Early high speed photography equipment was developed for use with strobe lights to document the effect of projectile shape on entry stability in large glass sided tanks.The Role of Contributions of Hydraulic Testing Labs: Part II, World War I to World War II. George Hecker, Albert Feron, Bruce J. Pennino. Civil Engineering Practice: Fall/Winter 1999 During the 1950s, the increase in power use demanded expansion of generation capacity and led to increased use of physical models for solving problems with circulating water systems, including the use of hydro-thermal modeling to meet water quality requirements. This need resulted in the construction of 10 large test sheds to house these models. Physical models were applied to various flow problems such as pump intakes, emergency core cooling sumps, riverine problems, etc.http://www.aldenlab.com/index.cfm/About/History = Incorporation = In 1986 the Alden Hydraulic Lab became Alden Research Laboratory and was incorporated as an entity separate from WPI. Since that time Alden has added on to its original Hydraulic and Calibration Groups and formed its Environmental, Numeric, Air and Gas,The Role of Contributions of Hydraulic Testing Labs: Part IV, Modern Power Plant Studies. George Hecker, Albert Feron, Bruce J. Pennino. Civil Engineering Practice: Fall/Winter 2000 and Field Service Groups. Major Innovations In recent history, Alden's team of engineers have worked on several influential projects including: *The design and testing of the Alden/NREC Fish Friendly Turbine *And the writing of EPRI's "Wet Stack Design Guide" "Wet Stack Design Guide" (EPRI TR-107099) Acquisition of the Redmond, Washington Laboratory Alden acquired AECOM's hydraulic engineering and modeling laboratory in Redmond, Wash., and hired the associated staff on August 18, 2012. Combining the modeling talents and fisheries knowledge of Alden staff with the 34 years of hydraulic modeling and fisheries engineering experience of the AECOM hydraulic engineering and modeling operation, Alden created the largest commercial hydraulic engineering laboratory system in North America. The Redmond laboratory was formerly known as the "ENSR hydraulics lab," and became part of AECOM in 2005 when AECOM acquired ENSR. Charles "Chick" Sweeney, P.E., started the independent hydraulic modeling laboratory in 1978. The hydraulics lab had been a leader in the optimization of hydraulic structures and fish passage systems associated with hydroelectric power generation, working especially closely with federal agencies and hydroelectric power utilities in the Pacific Northwest. Additionally, the group has helped municipal utilities to ensure proper performance of pump stations and water conveyance systems. Capabilities include physical hydraulic modeling, 1-D and 2-D numeric modeling, 3-D computational fluid dynamics (CFD) modeling, fisheries and hydraulic engineering design, and field services. Alden had been expanding geographically in recent years, having opened up an office in Fort Collins, Colo., in 2009, and establishing a presence in Portland, Ore., in 2011. This addition was a major milestone in an ongoing effort to better serve clients in the U.S. and internationally Alden Today Alden continues to be an acclaimed leader in solving flow-related engineering and environmental problems. The firm has 100 employees and over 120,000 sq feet of indoor lab space on a 32-acre campus in Holden, MA, and an additional 25,000 square feet of laboratory space in Redmond, WA. Alden provides engineering, physical and computational flow modeling along with environmental and flow meter calibration services. For more information, please visit www.aldenlab.com = Hydraulic Modeling = Alden's Hydraulic Modeling Group conducts model studies for hydropower intakes, flood and drainage canals, spillway discharge systems, water and waste water systems, industrial flow processes, ocean energy technologies, navigation models, and many other flow related projects. Both physical and computational fluid dynamics (CFD) modeling are used. = Environmental = The Environmental Group at Alden evaluate fish protection technologies, alternative technologies, cooling water intake structures, upstream and downstream fish passage designs, hydroelectric entrainment and mortality, and aid in strategic planning for 316(b) compliance. = Air and Gas Flow Modeling = The Air and Gas Modeling Group at Alden is responsible for modeling many aspects of fossil fueled power plants and air pollution control systems. This group also uses both physical and computational models. = Numeric Modeling = Alden's Numeric Modeling Group solves many complex flow-related problems involving liquid and gas flows, hydraulic flows, heat and mass transfer, as well as particles and sprays. = Calibration = Alden is the largest independent supplier of National Institute of Standards and Technology (NIST) traceable water flow meter calibrations in the United States. The facility has two calibration laboratories with several weigh tanks with capacities from 1,000 to . References External links Category:Worcester Polytechnic Institute Category:University and college laboratories in the United States Category:Holden, Massachusetts Category:Historic American Engineering Record in Massachusetts Category:Hydraulic laboratories "