This work concerns borehole heat exchangers and their testing using apparatus for thermal response tests. In the theoretical part of the article, an equation was derived from the known equation of ...heat flow, on which the interpretation of the thermal response test was based. The practical part presents the results of several measurements taken in the AGH Laboratory of Geoenergetics. They were aimed at examining the potential heat exchange capacity between the heat carrier and rock mass. Measurement results in the form of graphs are shown in relation to the examined, briefly described wells. Result analysis made it possible to draw conclusions regarding the interpretation of the thermal response test. The method of averaging the measurement results was subjected to further study. The measuring apparatus recorded data at a frequency of one second, however such accuracy was too large to be analyzed efficiently. Therefore, an average of every 1 min, every 10 min, and every 60 min was proposed. The conclusions stemming from the differences in the values of effective thermal conductivity in the borehole heat exchanger, resulting from different data averaging, were described. In the case of three borehole heat exchangers, ground properties were identical. The effective thermal conductivity λeff was shown to depend on various borehole heat exchanger (BHE) designs, heat carrier flow geometry, and grout parameters. It is important to consider the position of the pipes relative to each other. As shown in the charts, the best (the highest) effective thermal conductivity λeff occurred in BHE-1 with a coaxial construction. At the same time, this value was closest to the theoretical value of thermal conductivity of rocks λ, determined on the basis of literature. The standard deviation and the coefficient of variation confirmed that the effective thermal conductivity λeff, calculated for different time intervals, showed little variation in value. The values of effective thermal conductivity λeff for each time interval for the same borehole exchanger were similar in value. The lowest values of effective thermal conductivity λeff most often appeared for analysis with averaging every 60 min, and the highest—for analysis with averaging every 1 min. For safety reasons, when designing (number of BHEs), safer values should be taken for analysis, i.e., lower, averaging every 60 min.
Dieses Buch präsentiert die seit Langem erwartete kritische Edition der zuvor unveröffentlichten Vorlesungsnotizen Kazimierz Twardowskis aus seiner Zeit an der Universität Wien (1894/95). Bezüglich ...seines Umfangs und Themas sowie seiner Sprache ist dieser Text einzigartig im Œuvre Twardowskis. Bekannt vor allem für seine ebenso wichtige wie kurze Abhandlung Zur Lehre vom Inhalt und Gegenstand der Vorstellungen (1894), entwickelt er im Logik -Manuskript seine Thesen viel detaillierter und in überarbeiteter Form. Die restlichen seiner Werke sind in polnischer Sprache verfasst und damit für viele Leser nur schwer zugänglich. Diese Edition ist von großem Interesse für alle Philosophen, die zur Wiener Wissenschaftsphilosophie vor dem Wiener Kreis forschen, für alle, die sich für die frühe Phänomenologie und Husserls Denken interessieren, und besonders für Spezialisten der österreichischen Philosophie und der kontinentalen Tradition analytischer Philosophie, für die dieser Text eine unverzichtbare Quelle darstellt.
This book presents the long-awaited critical edition of an unpublished manuscript of 277 pages containing Twardowski’s lecture notes on logic given in German at the University of Vienna. As to ...length, language and topic, this text is unique among the works of the author, who is renowned for his Zur Lehre vom Inhalt und Gegenstand der Vorstellungen (1894), an influential but short book that has been out of stock for a long time already. In Logik Twardowski’s ideas are exposed in a much more extensive and interestingly revised form. The rest of Twardowski’s production is in Polish, a language inaccessible to many readers. This edition will be of special interest to philosophers interested in the scientific philosophy in Vienna before the Wiener Kreis, to phenomenologists and anyone interested in early phenomenology and Husserl’s thought, to historians of early analytic philosophy, and particularly to specialists of Austrian philosophy and the continental analytic tradition from Bolzano to Tarski, for whom the book will be a truly indispensable source.
Logik Twardowski, Kazimierz
2016, Letnik:
17
eBook
Die Reihe präsentiert Monographien und Sammelbände zur österreichischen Philosophie (Bolzano, Brentano, Meinong u.a.) sowie zur Phänomenologie und ihrer Geschichte im Allgemeinen. Phenomenology & ...Mind bietet darüber hinaus ein Publikationsforum für eine große Bandbreite unterschiedlicher Forschungsansätze zur Philosophie des Geistes.
Der Briefwechsel Meinong, Alexius
2016, 2016-10-24, Letnik:
7
eBook
Odprti dostop
The correspondence between Meinong and Kazimierz Twardowski highlights the relationship between two philosophers who influenced the history of philosophy and psychology in Austria and Poland. The two ...correspondents discuss, among other things, their epistemological approach and the university politics of their times. In addition, there is an extensive introduction that places the correspondence in its proper historical and philosophical context.
The volume contains almost thirty papers by Kazimierz Twardowski (1866-1938), the founder of the Lvov-Warsaw School. The papers are published in English for the first time. The papers concern ...fundamental problems of philosophy: the methods of philosophizing, the boundary of psychology and semiotics, the conceptual apparatus of metaphysics, ethical skepticism, the question of free will and ethical obligation, the aesthetics of music and so on. The systematic considerations are complemented by concise but excellent sketches of the philosophical views of Socrates, Aquinas, Leibniz, Spencer, Nietzsche, and Bergson.
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