7 uppsatser
… short, a devicethat relies on a rotating object’s moment of inertia to store energy overshort time spans. This project is part of the development of a fourthflywheel prototype at the division for electricity at Uppsala university,which uses magnetic levitation to keep a hollow …
… set of guide vanes, capable of producing the pre-swirl needed to eliminate the rotational velocity of the fluid, and verify this through testing. To be able to carry out tests in small tanks, scaled down models of the 4620 mixer were developed, and manufactured with SLS …
effekt på mjölkavkastning och betesbeteende hos mjölkkor
… heifers, respectively. During AP and FP the cows grazed together on 10 ha in a rotational grazing system with 6 paddocks. Sward height was measured before and after the cows grazed each paddock and pasture samples were collected and analyzed. The concentrates were supplied in …
… example cattle and sheep, graze the same pasture simultaneously or by using rotational grazing the risks for parasite infections can be decreased. Parasites are in most cases specific to one species. Nine farms in western Sweden participated in the study. The herd size varied …
… and pasture-based systems. There was no difference between different rotational crossing systems practised. Instead the crossbreds were economically sustainable for the farmers since they had longer productive life, higher fertility and they were healthier than the purebred …
Resteffektkylning av mellanlager för använt kärnbränsle (CLAB) Oskarshamn
… will be powered by AC drives that can control the pumps by changing the rotational speed and thus change the water's cooling effect on the nuclear fuel. In this study, I investigated the interference AC drives causes the feeding network and how to go about averting them. I show …
… follows by an activation in thorax, arms and club in the respective order. The rotational torques in the proximal segments wanders through the body and to the more distal segments to create an effective energy ? and power transfer at impact. The x-factor stretch is the …
