【标题】Pumps in Agricultural Irrigation & How Peristaltic Pumps Work
【参考中译】农业灌溉中的泵&蠕动泵的工作原理
【类型】 期刊
【作者】 HYDRAULIC INSTITUTE
【摘要】 Q Is groundwater the primary source of irrigation? A recent study supported by the Hydraulic Institute revealed there are over 600,000 pumps used for agricultural irrigation in the United States. Of this, 76% are used for lifting groundwater from wells, 17% pull surface water and 7% are used for boosting water within the irrigation systems. Groundwater pumps could be installed at the surface if the water table is near the surface, but when the water surface is deeper, vertically suspended pumps are used where the pumping element is submerged in the well and the groundwater is pumped to the surface via a column pipe. The study also looked at the potential energy- and carbon-savings potential in these agricultural irrigation systems. Opportunities identified in the study included the potential electrification of fossil fuel driven pumps, replacing old and worn-out pumps and converting old pipes and open canals to closed plastic pipes. The potential savings included $2.8 billion in energy costs and reduced carbon emissions of 9.9 million tons.
【参考中译】 问：地下水是灌溉的主要来源吗？最近由水力研究所支持的一项研究显示，美国有60多万台水泵用于农业灌溉。其中，76%用于从井中抽取地下水，17%用于抽取地表水，7%用于增加灌溉系统内的水。如果地下水位接近地面，可以在地面安装地下水水泵，但当水面更深时，在抽水元件淹没在井中并通过柱状管道将地下水抽到地面的情况下，使用垂直悬挂泵。这项研究还考察了这些农业灌溉系统的潜在能源和碳节约潜力。研究中确定的机会包括化石燃料驱动泵的潜在电气化、更换旧的和磨损的泵以及将旧管道和开放的运河改装为封闭的塑料管。潜在的节省包括28亿美元的能源成本和990万吨的碳排放减少。
【来源】 Pumps & Systems 2023, vol.31, no.10
【入库时间】 2024/2/22
【标题】PRUSS announces Vogt Valves as new representative
【参考中译】普鲁斯宣布Vogt Valves为新代表
【作者】 Joanne Mcintyre
【摘要】 With the inauguration of its representative Vogt Valves, PRUSS started a new era in its activities in North America. "This agreement combines the strengths of the OMB group, one of the largest Italian valve manufacturers, with an international presence and capability, with those of PRUSS, one of the most recognised German manufacturers of severe service control valves. The result is a powerful coordinated coverage model that provides our clients with access to more and better products, across the US, and globally" said OMB Managing Director, Simone Brevi.
【参考中译】 随着其代表Vogt Valves的成立，普鲁斯在北美的活动开启了一个新纪元。OMB董事总经理Simone Brevi说：“这项协议结合了OMB集团和普鲁斯集团的优势。OMB集团是意大利最大的阀门制造商之一，拥有国际业务和能力，而普鲁斯是最受认可的德国严苛服务控制阀制造商之一。其结果是形成了一个强大的协调覆盖模式，为我们的客户提供了在美国和全球范围内获得更多和更好的产品的机会。”
【来源】 Valve World 2023, vol.28, no.8
【标题】FIRST LOOK: Bentley Blower Jnr
【参考中译】第一眼：小本特利吹风机
【作者】 Steve Huntingford
【摘要】 LIKE ALL TRADITIONAL car makers, Bentley will have to transition to producing zero-emissions vehicles in the coming years. However, its first fully electric car, the Bentley Blower Jnr, probably isn't what anyone was expecting. Developed in collaboration with The Little Car Company (a Bicester-based manufacturer that specialises in producing small yet driveable versions of some of the most famous models in history), it's inspired by the 1929 Blower endurance racer.
【参考中译】 与所有传统汽车制造商一样，宾利在未来几年将不得不过渡到生产零排放汽车。然而，它的第一款全电动汽车，小宾利吹风机，可能并不是任何人所期待的。它是与小汽车公司(一家总部位于比斯特的制造商，专门生产历史上一些最著名车型的小型但可驾驶的版本)合作开发的，灵感来自1929年的吹风机耐力赛车。
【来源】 What Car 2023, no.Nov.
【标题】LONE STAR GC COMPRESSORS
【参考中译】孤星GC压缩机
【作者】 Drew Robb
【摘要】 The Lone Star GC Series centrifugal compressor line has both standard and custom engineered compressors and controls. Variable inlet, discharge guide vanes, and speed control are present. The impellers are made up of 5-axis machined 17-4PH stainless steel, titanium, or Inconel. It hosts a horizontally split gear box and can run with oil-free process air or gas. A 5-axis milled backward leaning blade has optimized aero-matching through the flow path. On the control side is the sLOC Control Panel, providing control, monitoring, and protection.
【参考中译】 孤星GC系列离心式压缩机系列拥有标准和定制的压缩机和控制装置。具有可变进气口、排气导叶和速度控制。叶轮由5轴加工的17-4PH不锈钢、钛或Inconel组成。它有一个水平分体式变速箱，可以在无油工艺空气或天然气下运行。五轴向后倾斜铣削叶片优化了流道中的气动匹配。控制端是SLOC控制面板，提供控制、监控和保护。
【来源】 Turbomachinery International 2022, vol.63, no.6
【标题】BEST COOLER: Oyster Tempo Cooler $500
【参考中译】最佳冷却器：牡蛎Tempo冷却器$500
【作者】 Jeff Dengate
【摘要】 Inspired by a Thermos, this aluminum cooler has a vacuum-sealed insulation system that allows it to stay cold without the need to pack it full of ice cubes. Plus, you don't need to pre-chill the cooler before heading to the beach-the aluminum transfers heat rapidly. It comes with two slim ice packs that help keep things frosty, but if you fill it with cold beverages, they'll remain plenty chilly for a day's outing. To test the cooler, we loaded in the ice packs and 35 cans of seltzer that had been cooled to 34.8 degrees in a refrigerator. The temperature inside the cooler remained under 34 degrees for more than 24 hours, when we removed the ice packs. After 46 hours, the temperature was still holding at just 43 degrees, which is cold enough for a seltzer or a Bell's Oberon.
【参考中译】 受Thermos的启发，这款铝冷却器具有真空密封的绝缘系统，使其无需装满冰块就能保持寒冷。此外，在前往海滩之前，你不需要预先冷却冷却器--铝可以快速传递热量。它配有两个薄薄的冰袋，可以帮助保持冰冻，但如果你在里面装满冷饮，它们将保持足够的寒冷一天。S郊游。为了测试冷却器，我们在冰箱里装了冰袋和35罐苏打水，这些饮料已经冷却到34.8度。当我们取出冰袋时，冷却器内的温度保持在34度以下超过24小时。46小时后，温度仍然保持在只有43度，这对于苏打水或铃铛S奥伯龙来说已经足够冷了。
【来源】 Popular Mechanics 2023, no.Nov/Dec
【标题】THE WEAR CONDITION OF SPUR GEARBOX UNDER VARIABLE LOADS USING WEAR DEBRIS ANALYSIS TECHNIQUE - AN INVESTIGATION
【参考中译】用磨粒分析技术研究正齿轮变速箱在变载荷下的磨损状况
【关键词】 Gears; Wear; On-Line particle monitoring; Wear debris analysis & load
【参考中译】 齿轮；磨损；在线颗粒监测；磨屑分析和载荷
【作者】 A. S. KUSHWAH; R. B. SHARMA
【摘要】 The wear is a very common phenomenon during the meshing of the gears. The development and progression of the wear in gears may create catastrophic failures. In this study, the progression of wear condition in the gear has been predicted with on-line wear debris monitoring from lubricating oil together with visual inspections. The experimental set up has been designed and the experiments were conducted with spur gears under varying load condition. The effect of different load conditions on the progression of wear condition in the gear has been presented. The results demonstrate that the concentration and weight of particles in lubrication oil, and the measured area of wear exist on gear surface during wear progression correlate well with the severity of wear condition of gear acquired from the visual inspection.
【参考中译】 磨损是齿轮啮合过程中非常常见的现象。齿轮磨损的发展和发展可能会造成灾难性的故障。在这项研究中，通过在线监测润滑油中的磨屑并结合目测来预测齿轮磨损状况的发展。设计了实验装置，并利用直齿圆柱齿轮进行了变载荷条件下的实验。给出了不同载荷条件对齿轮磨损状态演变的影响。结果表明，磨损过程中润滑油中颗粒的浓度和重量以及齿轮表面存在的磨损面积与目测得到的齿轮磨损状况的严重程度有很好的相关性。
【来源】 Journal of automobile engineering 2023, vol.13, no.1