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Zamieszkiwanie w betonie

Ciepłucha W.

Pretekst

2018

Nr 8

54--60

Piękne odnosi się do tego co już uformowane, ukształtowane, a nie do budynku architektonicznego. Sama forma nie jest jeszcze budynkiem architektonicznym, ale dopiero tym co estetyczne. Zakładając, że forma jest już stworzona, twórca stoi na progu. Z jednej strony jest to, co uformowane, z drugiej strony budynek architektoniczny. Czynność, która polega na nadaniu formie znaczenia, nazwiemy transmutacją. Wiele transmutacji składa się na zamieszkiwanie. Im wrażliwiej transmutujemy materie z której jest zbudowana forma, tym bardziej zamieszkujemy.

Beauty relates to what has been formed, shaped, and not to an architectural building. The form itself is not yet an architectural building, but only that, which is aesthetic. Assuming that the form has been created, the creator is at a verge, with that, which is formed on one hand, and the architectural building on the other. The act of giving meaning to form will be called transmutation. Many transmutations make up dwelling. The more sensitive we are in transmuting the matter of which the form is built, the more we dwell.

Transmutation: reducing the storage time of spent fuel

Mazgaj P., Darnowski P.

Journal of Power Technologies

2014

Vol. 94, nr 5

27--34

Transmutation can reduce the storage time of spent fuel. Efficient transmutation requires a high flux of neutrons and can therefore be done only in nuclear reactors. The article shows the concepts of different solutions of transmutation in nuclear reactors. Knowledge of transmutation is supplemented by information on spent fuel and its radiotoxicity.

Design of a sub-critical reactor for transmutation of higher actinides

Mazgaj P., Jimenez D., Lopez D.

Journal of Power Technologies

2014

Vol. 94, nr 5

35--40

To reduce the storage time of spent fuel its radiotoxicity must be reduced through the transmutation of minor actinides. Generation IV reactors or sub-critical Accelerator Driven Systems (ADS) are options that appear technically feasible in view of the transmutation goal. The purpose of this work is to design a lead-cooled 400 MWth sub-critical reactor which uses inert matrix nitride fuel. Many design issues are dealt with, such as the lifetime of the cladding material, the minimum reactivity swing fuel composition, the burning rates of MA and the safety coefficients. The results obtained show that ADS performs well in transmuting minor actinides and has good safety levels in respect of reactivity perturbations.