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For this paper the speed of the water at the ADCP is assumed to remain constant until reaching the turbine. Since the upstream ADCP is placed 15 m upstream from the turbine there will be a 10–15 s delay, depending on the water speed, between the measurement of the water speed and when water reaches the turbine. Measurements are taken every 3.6 s and give a velocity profile from one meter above the bottom of the river to one meter below the surface. The ADCP devices are Workhorse Sentinel 1200 kHz with an accuracy of 0.3% of the water speed. The ADCPs are placed about 15 m upstream and 15 m downstream of the turbine. Control strategies and electrical systems can be optimized for maximum power capture and safe operation. Using the coupled model, different discharge scenarios in the river can be simulated that cannot be tested at the experimental site. The output voltage and rotational speed of the generator can be controlled using an electrical system comprising a load control using a passive diode-bridge rectifier connected via a DC bus to a resistive dump load trough a switch, described in more detail in. Water speeds in the river are usually in the interval of 0.4–1.5 m/s. A prototype turbine and generator has been deployed in the river Dal (Dalälven) in Söderfors, Sweden. The system has many similarities with a wind power system but one of the main differences is that the converter is rotating slower, subjecting the turbine and generator to a higher torque. The Marine Current Power project at Uppsala University is investigating the possibilities of using a Vertical Axis Current Turbine (VACT) connected to a Permanent Magnet Synchronous Generator (PMSG) in a direct drive configuration, see Figure 1. The model is validated with experimental data. This paper presents a coupled model of an electrical system with an hydrodynamic free vortex model. Since the goal of the energy conversion is to generate electricity, it could be a big advantage to have a simulation model that can simulate both the hydrodynamic behaviour as well as the electrical output. The most commonly used models are the double multiple streamtube (DMST), vortex and Actuator Line Model (ALM). Instead, other approaches to simplify model of the flow has been developed, and many of these models originate from wind turbine research that has been modified for water environment. A full Computational Fluid Dynamics (CFD) model is computationally demanding for simulating the flow in and around turbines. Numerical modeling is often used to study marine current conversion. Resource characterization, developing the power conversion technology and the design of arrays are some of the biggest areas to develop if marine current energy will become economically viable. There are many types of hydrokinetic conversion systems being investigated, from different turbine configurations to non-turbine systems. Hydrokinetic energy conversion implies use of the energy in free-flowing water for conversion to electric energy. Waves and ocean currents conversion is being investigated through different concepts. Ocean energy is a field of growing interest when it comes to renewable energy thanks to its high density of energy per unit area, and to the high predictability. You can use it on your own site or upload your own custom glossaries, which can be used to understand the terms and terminologies used in your particular industry. There are many ways to use Document Translation. In addition, you can be sure that your client will appreciate the efforts you have made to translate the document. This way, you can be sure your translated document will be understood and appreciated by the intended audience. If you are interested in becoming a tech-savvy translator, you must understand the terminology and culture of the field you will work in. Not all people are natural language learners. To become a Document Translator, you must have knowledge of the subject field in which the document will be used. Lingvanex translator is available for a range of platforms and devices: iOS, MACos, Android, Windows.Softonic review How to Become a Document Translator To use the offline mode, you need to download language packs. * An internet connection is required to use the app. * Camera for translating text on images and phones Some features are not available for all languages The language translator supports the following languages:Īfrikaans, Albanian, Amharic, Arabic, Armenian, Azerbaijani, Basque, Bashkir, Belorussian, Bengali, Bosnian, Bulgarian, Burmese, Cantonese, Catalan, Cebuano, Chichewa (Nyanja), Chinese, Corsican, Croatian, Czech, Danish, Dutch, English, Esperanto, Estonian, Fijian, Filipino, Finnish, French, Frisian, Galician, Georgian, German, Greek, Gujarati, Haitian Creole, Hebrew, Hindi, Hungarian, Hausa, Hawaiian, Icelandic, Igbo, Indonesian, Irish, Italian, Japanese, Javanese, Kannada, Kazakh, Khmer, Klingon, Kiswahili, Korean, Kurdish (Kurmanji), Kyrgyz, Lao, Latin, Latvian, Lithuanian, Luxembourgish, Malay, Malayalam, Maltese, Maori, Marathi, Mari, Macedonian, Malagasy, Mongolian, Myanmar (Burmese), Nepali, Norwegian, Papiamento, Pashto, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Samoan, Scottish, Serbian, Sindhi, Sinhala, Slovak, Slovenian, Somali, Spanish, Sundanese, Swedish, Tahitian, Tajik, Tagalog, Tatar, Telugu, Thai,, Turksh, Udmurt, Ukrainian, Urdu, Uzbek, Vietnamese, Welsh + many more! 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Image by Embajada de los Estados Unidos en Uruguay from Montevideo, Uruguay- Wikimedia She was also the co-chair of the National Advisory Board at the National Institute for Civil Discourse, an institute she helped found after the shooting of former congresswoman Gabby Giffords in 2011. She founded Sandra Day O’Connor Institute, a nonprofit organization that deals with civic engagement, civic education, and promoting civil discourse. O’Connor has also served in the national constitution center as a board member and later transitioned into trustee emeritus for the center The website also included interactive games. O’Connor is a philanthropistĪfter her retirement, she launched a website now known as Icivics where she would teach students about how the United States government worked after realizing that a lot of young Americans did not understand how the government worked. She however allowed for some limits to it. Sandra O’Connor did not strike down most restrictions on abortion during her tenure. – Wikimediaĭespite her conservative nature, her views on abortion were widely known which was one of the reasons some conservatives were against her appointment to the supreme court as they suspected she would not be able to overturn the Roe vs Wade case the supreme court and they were not wrong. Image by Steve Petteway, photographer for the Supreme Court of the United States. From left to right: Justice Sandra Day O’Connor, (Ret.), Justice Sonia Sotomayor, Justice Ruth Bader Ginsburg & Justice Elena Kagan. Chicago Cubs - Pittsburgh Pirates InformaciónĮn esta página puedes encontrar un comparador de cuotas con las últimas actualizaciones, así como un historico de cuotas para poder realizar apuestas Beisbol en el partido comparativa de cuotas en directo cuando el evento haya empezado resultados en directo y estadísticas detalladas de todos los partidos de Chicago Cubs - Pittsburgh Pirates de la MLB de EEUU, jugado en Chicago el. Oddspedia te ofrece las cuotas de apuestas para Chicago Cubs - Pittsburgh Pirates de casas de apuestas diferentes con un total de 0 mercados. Louis Cardinals - San Francisco Giants, Texas Rangers - Los Ángeles Angels. Si estás interesado en otros partidos de MLB, los siguientes partidos de la competición son: St. "Injuries-wise, I’ve been battling stuff all year so far.Cuotas de Chicago Cubs vs Pittsburgh Pirates - Todas las apuestas, estadísticas y resultados en directoĮl partido de Beisbol entre Chicago Cubs y Pittsburgh Pirates se celebrará el a las 00:05 en el estadio Wrigley Field en Chicago como parte de MLB de EEUU. "It’s been a tough first half, one of the toughest of my career," he said. 136 (3 for 22) in six games since he was activated from the disabled list on July 1 after being sidelined by an injured left wrist. Pirates: Cervelli was shaken up after he was hit on his left leg by a pitch in the third inning, but stayed in the game.Ĭubs: 2B Ben Zobrist got the day off. He snapped a 0-for-9 skid to begin his career. The 25-year-old Taillon is 3-1 with a 1.98 ERA in five starts since returning from surgery for testicular cancer.Ĭubs rookie Victor Caratini entered before the Pirates batted in the fifth and went 3 for 3 with two doubles. "I think we can all attest to the warrior mentality that Jameson has, the competitor that he is," Tomczyk said. He felt better after a while, but the symptoms returned while he was warming up. Taillon had intense flu-like symptoms when he got to the ballpark and was visited by paramedics, according to Pirates trainer Todd Tomczyk. They were 46-43 at the All-Star break last season. The Pirates (42-47) improved to 5-1 at Wrigley this year and stayed seven back of Milwaukee. Schugel (1-0), the second of three Pittsburgh relievers, pitched three innings for the win. Kuhl allowed two hits and walked three on just two days’ rest after he pitched a career-high seven innings in a 6-3 win at Philadelphia on Thursday night. "If I make that play, the game is completely different," Bryant said. Josh Bell then hit an RBI single, Jose Osuna doubled home two more runs and Mercer made it 5-0 with a two-run single. The left-hander was hurt by an error on third baseman Kris Bryant, who booted David Freese’s one-out grounder with runners on first and second. He also struggled in his previous outing, allowing six runs in five innings in a loss to Tampa Bay on Tuesday. Lester (5-6) was charged with four earned runs and six hits. "We kept going, we kept pushing and didn’t stop there in the first." "Throw up 10 like that in the first inning, it was huge," McCutchen said. McCutchen followed with a drive to left-centre for his 17th homer, chasing Lester and drawing a smattering of boos from a frustrated crowd of 41,604 at Wrigley Field. "This team, we have been able to rally in a lot of different ways."Ĭervelli hit his third career grand slam into the basket in left with two out. "It was a lot of fun," manager Clint Hurdle said. It was the first time it scored at least 10 in the first inning since June 8, 1989, against Philadelphia. Pittsburgh sent 15 batters to the plate in its highest-scoring inning since it got 10 in the seventh against Colorado on May 17, 2009. All-Star Josh Harrison homered in the ninth and Chad Kuhl pitched three innings of one-run ball in an emergency start after Jameson Taillon was scratched due to flu-like symptoms. "We’re not playing our game."įrancisco Cervelli matched a career high with five RBIs and Jordy Mercer drove in three runs as the Pirates closed out a 5-2 road trip with their fifth win in six games. "We are frustrated," manager Joe Maddon said. The Cubs were 53-35 at the break a year ago. The reigning World Series champions also trail NL Central-leading Milwaukee by 5 1/2 games after the Brewers held on for a 5-3 victory against the New York Yankees. "It’s embarrassing."Ĭhicago (43-45) heads into the break with a losing record for the first time since it was 40-54 in 2014. "It kind of speaks for itself," Lester said. Jon Lester surrendered 10 runs in the first inning of the shortest start of his 12-year career, and the Cubs stumbled to a 14-3 loss to the Pittsburgh Pirates. Secondary market products - items that are being resold rather than sold for the first time as brand new - can often be purchased at a discount to newly minted products and very close to actual spot prices. When demand is soft, premiums may fall, especially on secondary market products such as pre-1965 U.S. Premiums vary according to market conditions. Why Do I Have to Pay a Premium for Silver Coins? The premium also incorporates any wholesale premiums the dealer must pay to acquire the inventory. The premium includes minting costs plus the dealer's profit. Retail bullion products including bars, rounds, and coins carry small premiums over spot prices. Why Can't I Buy Silver at the Spot Price? When the physical market diverges from the paper market, wholesale over the counter prices may be more realistic than spot prices. Premiums on retail bullion products may surge as a consequence. For example, during periods of extreme stress in markets it may be impossible to obtain physical metal anywhere near the quoted spot price. Spot (paper) prices can sometimes diverge from real-world pricing in the markets for physical precious metals. The quote for immediate settlement at any given time is effectively the Spot market price. But the largest and most influential market for metals prices is the U.S. A Spot contract can change hands in London and Shanghai when U.S. Traders determine silver and gold spot prices on futures exchanges. There are also online precious metal calculators to verify an amount quoted to try to avoid a significant loss before signing any contracts. A skilled investor gets to know the markets, including real-time ratio on prices for oil, gold and silver, and has a calculator handy at all times. The Money Metals website is a great source for market news, as is Zero Hedge.įrom am to pm, the latest daily charts are important to make smart purchases from dealers who reply instantly. They also verify the reliability of the resources they use, rather than relying on a comment published by a writer who might not be aware of the spot price of silver today. Smart investors check the chart for current rates right before they buy precious metals. COMEX is reliable source to access indices for the price of silver, as the prices today will not be the same as yesterday, an hour ago, or in the future. Whether an investor is buying, trading, or selling silver, it is important to verify the spot price. It is the current trading value of silver and other precious metals, as well as certain other commodities. "Whether an investor is buying, trading, or selling silver, it is important to verify the spot price." This refers to the price silver can be exchanged and delivered right now. When investors check the NASDAQ live feed in the morning or go online to visit a website to find out the current value of silver, the spot price is what matters. There continues to be a strong market for silver around the world, as evidenced by the averages and NYSE. The current demand for silver is for industrial applications and investment purposes, including bullion coins and exchange traded products. Most have commemorative designs and have a weight of 1 troy ounce of silver. However, hard money enthusiasts may use them as investment vehicle. Privately minted coins are referred to as silver rounds, which are not legal tender. The Canadian Silver Maple Leaf coins are legal tender valued at about USD $5 per ounce. Some countries, including the USA, continue to mint bullion and collectible coins.Īn example is the American Silver Eagle, which has a nominal face value i.e. British Gold Britannia (Queen Elizabeth II)ĭecades ago, the silver standard came to an end in developed countries, which means silver was no longer considered legal tender. Proving that the group were every bit as relevant in the 90s as they had been during their 80s heyday, I’ll Stand By You asserted itself as one of the best Pretenders songs of the decade when it reintroduced the band to the mainstream on both sides of the Atlantic. It was a revelation.”ĥ: I’ll Stand By You (from ‘Last Of The Independents’, 1994) Especially Private Life, which I never thought would work acoustically. “It was like I was hearing these songs for the first time. “As soon as I heard them running through things they were thinking of doing, I was sold,” producer Stephen Street recalled in the Pirate Radio box set’s sleevenotes. In retrospect, the performance was executed with aplomb, but the way Hynde and her team recalibrated the reggae-tinged Private Life was truly inspired. Though stripping their sound back to a largely acoustic set-up, the group showcased a few of their hits (Brass In Pocket, Kid, 2000 Miles) but also resurrected some of their best-loved deep cuts for the occasion, which was broadcast live from London’s Jacob Street Studios. Swiftly released in order to capitalise on the success of Last Of The Independents, and to take advantage of the then in-vogue MTV Unplugged format, Pretenders issued a live album of a different stripe with 1995’s The Isle Of View. Holding its own among the very best Pretenders songs, though, is the record’s first single, The Buzz: a vintage-style outing showcasing Walbourne’s stylish guitar filigrees and a sublime Hynde vocal.ġ7: Private Life (from ‘The Isle Of View’, 1995) This latter-day outfit were responsible for Hate For Sale: a high-quality collection ranging from the sneering, Damned-esque title track to the soulful ballad You Can’t Hurt A Fool. Pretenders’ current line-up, featuring Chrissie Hynde and original drummer Martin Chambers, plus bassist Nick Wilkinson and guitarist James Walbourne, may just be their best since the quartet formed. We reveal exactly why they’re special – so special – with the 20 best Pretenders songs.Ģ0: The Buzz (from ‘Hate For Sale’, 2020) Thanks to her singular songwriting talents and staunch support from some well-chosen collaborators, her band have amassed a formidable catalogue and remain a force to be reckoned with. The deaths of original members, guitarist James Honeyman-Scott and bassist Pete Farndon, threatened to derail the group, but leader Chrissie Hynde is nothing if not resilient. By melding punk aggression with a classic pop sensibility, Pretenders came up with a truly unique sound which propelled them towards major stardom during the early 80s. This is despite the fact that Canada declared war on Germany on September 10, 1939, just a week after Britain and far earlier than the US, as an independent nation, rather than as a member of the Commonwealth. Canada would eventually play a crucial part on D-Day as it was assigned one of the five landing beaches.Ĭanada’s role in World War II is not generally well known in Western Europe or even by its Allies, the British and Americans. This pressure arose from a belief that the Canadian army stationed in Britain was not playing an active role in winning the war, despite the fact that this army was being purposefully preserved so that it could play a major role in the ultimate Allied invasion of France. Originally, COHQ planners had wanted the British Marine Division to carry out the raid, but political pressure from Canadians at home and several senior Canadian officers in Britain (particularly Lieutenant General Harry Crerar) resulted in the job being offered to Canada. The major contingent in the raid was composed of soldiers from Canada’s 2nd Infantry Division. The COHQ’s objective was to try to capture a port during this raid, hold it for a short period of time and then withdraw quickly. The Dieppe Raid occurred under the auspices of the Combined Operations Headquarters (COHQ), which was responsible for conducting British raiding operations. The British high command, particularly Prime Minister Winston Churchill, was acutely aware of these political pressures. The US, which had just recently joined the war following the Japanese bombing of Pearl Harbour on December 7, 1941, also thought it best to launch and expedite a direct attack on mainland Europe. On August 19, 1942, the Dieppe Raid or Operation Jubilee, as it was codenamed, was launched as Stalin believed that the Western allies were not carrying their fair share of the burden of the war and so demanded that a second front be opened to draw German forces away from Russia. Message 11 could not be confirmed, exception = UnroutableError, e = 1 unroutable message(s) returned Message 10 could not be confirmed, exception = UnroutableError, e = 1 unroutable message(s) returned Message 9 could not be confirmed, exception = UnroutableError, e = 1 unroutable message(s) returned When the queue is deleted, the message cannot be confirmed. Message 9 could not be confirmed, exception = ChannelWrongStateError, e = Channel is closed. Message 8 could not be confirmed, exception = ChannelWrongStateError, e = Channel is closed. Message 6 could not be confirmed, exception = ChannelClosedByBroker, e = (404, "NOT_FOUND - no exchange 'my_test_exchange' in vhost '/'") When the exchange is deleted, the message cannot be confirmed. Message 7 could not be confirmed, exception = ChannelWrongStateError, e = Channel is closed. Message 6 could not be confirmed, exception = ChannelWrongStateError, e = Channel is closed. Message 5 could not be confirmed, exception = ChannelWrongStateError, e = Channel is closed. Message 4 could not be confirmed, exception = ConnectionClosedByBroker, e = (320, "CONNECTION_FORCED - broker forced connection closure with reason 'shutdown'") When RabbitMQ is terminated, the message cannot be confirmed. # Open a connection to RabbitMQ on localhost using all default parameters # - added to queue_declare: durable=True, exclusive=False, auto_delete=Falseįrom pika.exchange_type import ExchangeType # - added to exchange_declare: durable=True, auto_delete=False # Using Delivery Confirmations with the BlockingConnection Synchronous publishing using BlockingConnection Deleting the exchange and deleting the queue is done from the RabbitMQ management interface. Terminating RabbitMQ is done by killing the Docker container. When a script is running (publishing messages to a queue) I create the following conditions: The scripts keep publishing messages every 2 seconds. asynchronous publishing, using SelectConnection.synchronous publishing, using BlockingConnection.I created two Python scripts based on Pika examples: I changed the credentials here to 'user'/'password'. We use the RabbitMQ with management Docker image, the management interface is at: To my surprise, the Pika asynchronous example did not detect when the queue was removed, it kept sending messages. Using examples included with Pika, the RabbitMQ (AMQP 0-9-1) client library for Python. As this is my first time using RabbitMQ, I wanted to try both the synchronous and asynchronous publishing versions, A lot has been written about synchronous vs asynchronous publishing with RabbitMQ, see links below, I am not going to repeat this here. |