Detecting Heatsink Types for Socketed Processors

Servers often are designed to support a socketed processor in order to allow the end user the ability to customize their compute solution for their needs. Server processor vendors offer a variety of different processor models that can be installed. These various processor models can have differing technical specifications that include core count, cache size, operating frequency limitations, memory capacity, as well as power and thermal cooling requirements. An individual server design could easily support a range of processor models from those that have few cores, providing low performance, all the way up to dozens of cores that providing high performance. Since compute resources such as cores consume power, the range of processor power can be as wide as 200W. To keep costs of a total solution down, different heatsinks are often designed and sold to support this wide range: cheap extruded aluminium heatsinks for lower performing CPUs and expensive heat piped heatsinks for higher performing CPUs

Hidden figures of photo-charging:a thermo-electrochemical approach for a solar-rechargeable redox flow cell system

Achieving high current densities without thermal performance degradation at high temperatures is one of the main challenges for enhancing the competitiveness of photo-electrochemical energy storage systems. We describe a system that overcomes this challenge by incorporating an integrated photoelectrode with a redox flow cell, which functions as a coolant for the excess heat from the photo-absorber. We perform quantitative analyses to theoretically validate and highlight the merit of the system. Practical operation parameters, including daily temperature and redox reaction kinetics, are modeled with respect to heat and charge transfer mechanisms. Our analyses show a profound impact on the resulting solar-to-chemical efficiencies and stored power, which are 21.8% higher than that of a conventional photovoltaic-assisted energy storage system. This paves the way for reassessing the merit of photovoltaic-integrated systems, which have hitherto been underrated as renewable energy storage systems.</p

The Japanese oyster drill <i>Ocinebrellus inornatus</i> (Récluz, 1851) (Mollusca, Gastropoda, Muricidae), introduced to the Limfjord, Denmark

The predatory neogastropod Ocinebrellus inornatus was first reported from Europe in W France in 1995 and has since been detected at other sites in NW and N France and The Netherlands. It is native to the North Pacific where it preys on the Pacific oyster Crassostrea gigas. Here we report on the occurrence of the species in beds of European oysters (Ostrea edulis) in the Limfjord, NW Jutland, Denmark. The morphology-based identification has been confirmed by genetic analysis. The species was probably introduced with oysters imported from France in the 1970s and 1980s. The invasion is still relatively localized but as the species has established a reproductive population, it may eventually spread to other parts of the fjord and in time pose a problem to the oyster fishery. The species’ invasion history is reviewed

De huidige status van <i>Hemigrapsus sanguineus</i> (De Haan, 1835) en <i>H. penicillatus</i> (De Haan, 1835) in de noordelijke Atlantische Oceaan, in het bijzonder in Nederland, met opmerkingen over hun biologie (Crustacea, Decapoda, Brachyura)

Two species of East Asian crabs of the genus Hemigrapsus, viz. the 'Asian shore crab' H. sanguineus (de Haan, 1835) and the 'brush shore crab' H. penicillatus (de Haan, 1835) have been found in the Delta area in the south-west of the Netherlands. The occurrence of H. sanguineus is currently only attested by two specimens found in 1999 in the Eastern Scheldt (Oosterschelde), while H. penicillatus, found for the first time in early 2000, has already established a breeding population in a large part of the Eastern Scheldt and has been collected in the Western Scheldt as well. A summary of the currently available information on the biology of both crabs is given, and their possible impact on the native fauna and flora is discussed

Description of Bispira polyomma n. sp. (Annelida: Sabellidae): a probable introduction to The Netherlands.

Bispira polyomma sp. nov. is described. The taxon was recently found on the SW coast of The Netherlands (NE Atlantic), and could not be referred to as any previously described species of the genus Bispira. The area has been thoroughly investigated in the past, therefore we hypothesize the species is a new introduction to The Netherlands. The tubeworm is able to settle massively on all kinds of hard substrates, is eurythermal and able to withstand slight pollution, and therefore wider dispersal is a possibility to reckon with. For this reason we give a taxonomic species description even though the genus needs further revision. Presently the taxon has been observed only near Yerseke, a centre of shellfish culture and trade with a marina. The taxon was found in 2010. Subsequent surveys revealed a very dense population had developed in 2011, with the presence of small individuals in summer 2011 suggesting successful reproduction