scholarly journals Adaptive Optimal PMU Placement Based on Empirical Observability Gramian**This work was supported in part by U.S. Department of Energy, Office of Electricity Delivery and Energy Reliability under contract DE-AC02-06CHff357, the CURENT engineering research center, and Naval Research Laboratory and Defense Advanced Research Projects Agency.

2016 ◽  
Vol 49 (18) ◽  
pp. 482-487 ◽  
Author(s):  
Junjian Qi ◽  
Kai Sun ◽  
Wei Kang
Keyword(s):  
Research Laboratory ◽  
Department Of Energy ◽  
Research Center ◽  
Naval Research ◽  
Research Projects ◽  
Engineering Research ◽  
Pmu Placement ◽  
Energy Reliability ◽  
Observability Gramian ◽  
Optimal Pmu Placement

scholarly journals There's a New Cycle in Town

2018 ◽  
Vol 140 (07) ◽  
pp. 36-41
Author(s):  
Craig A. Nordeen ◽  
Lee S. Langston
Keyword(s):  
Air Force ◽  
Gas Turbines ◽  
Research Laboratory ◽  
Department Of Energy ◽  
Naval Research ◽  
Research Focus ◽  
Similar Work ◽  
Air Force Research Laboratory ◽  
Rotating Detonation Engines ◽  
Rotating Detonation

The promises of increased efficiency, simplicity, and high power density are driving the current research focus on rotating detonation engines (RDEs). An engine that uses detonation rather than deflagration could have some key advantages. If harnessed in a gas turbine or rocket, detonation could reduce the need for some expensive hardware, lighten engine weight and increase power output and efficiency. Today, variants of the RDE as a combustor for gas turbines, rockets, and scramjets are being explored at the Air Force Research Laboratory (AFRL), Naval Research Laboratory, Naval Postgraduate School, and the Department of Energy. Similar work is being conducted in several other countries. This study provides a deeper look into RDEs.

scholarly journals Plan of Colorado School of Mine to develop rapid tunneling technology

New Metro ◽  
2020 ◽  
Vol 1 (1) ◽  
pp. 69-70
Author(s):  
Print Journalist
Keyword(s):  
Research Team ◽  
Research Center ◽  
Research Projects ◽  
Colorado School ◽  
Underground Engineering ◽  
Engineering Research ◽  
The Us ◽  
Advanced Research Projects Agency

According to the news on the foreign tunnellingjournal.com website (tunnellingjournal.com) on May 5, 2020, the Underground Engineering Research Center of Colorado School of Mines and the US Defense Advanced Research Projects Agency (DARPA) recently signed a contract to develop an unprecedented rapid tunneling technology for its “Excavator” project. The research team will conduct a demonstration of tunneling technology at a speed of 366m/h within 15 months.

PERUBAHAN GARIS PANTAI DI TELUK PRIGI, KABUPATEN TRENGGALEK, JAWA TIMUR

2020 ◽  
Vol 2 (1) ◽  
pp. 16
Author(s):  
Khairana Ayu Shabrina ◽  
Rudi Siap Bintoro ◽  
Giman Giman
Keyword(s):  
Coastal Engineering ◽  
Research Center ◽  
Engineering Research ◽  
Water Index

<p>Teluk Prigi merupakan perairan di pesisir Samudera Hindia yang dikelilingi oleh bentang alam tebing yang tinggi sehingga wilayah pesisir yang memiliki kondisi dinamis dapat mengakibatkan terjadinya perubahan garis pantai apabila tidak dikelola dengan baik. Maka dari itu pada penelitian ini bertujuan untuk mengetahui faktor oseanografi yang menyebabkan terjadinya perubahan garis pantai. Metode yang digunakan terdiri dari pemisahan arus, peramalan gelombang, gelombang pecah, energi gelombang dan refraksi gelombang dengan menggunakan metode menurut <em>Coastal Engineering Research Center </em>(CERC). Selain itu ekstraksi garis pantai dengan metode <em>NDWI (Normal Differential Water Index)</em>, dan analisis jenis sedimen menggunakan modul yang dikeluarkan oleh Pusjatan Balitbang PU. Faktor oseanografi yang dominan menjadi penyebab perubahan garis pantai adalah gelombang bangkitan angin yang pola gelombangnya mengalami perubahan arah yang cenderung tegak lurus pantai, selain itu arus pasang surut menjadi faktor pendukung dengan kecepatan 0,0037 m/s bergerak menuju Utara. Sehingga, kondisi garis pantai pada tahun 2003 dan 2014, 2014 dan 2018 luasan sedimentasi terbesar mencapai 28.949 m<sup>2</sup> dan 52.020 m<sup>2</sup> yang berada di Desa Prigi. Sedangkan Sedangkan lokasi abrasi pada tahun 2003 dan 2014, 2014 dan 2018 luasnya mencapai 4.204 m<sup>2</sup> dan 3.326 m<sup>2</sup>.</p>

Progress in Laser Propagation in a Maritime Environment at the Naval Research Laboratory

2005 ◽  
Author(s):  
G. C. Gilbreath ◽  
W. S. Rabinovich ◽  
C. I. Moore ◽  
H. R. Burris ◽  
R. Mahon ◽  
...  
Keyword(s):  
Research Laboratory ◽  
Naval Research Laboratory ◽  
Naval Research ◽  
Laser Propagation ◽  
Maritime Environment
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