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1. |
Record Nr. |
UNINA9910702953103321 |
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Autore |
Ochsner Karl |
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Titolo |
Geothermal heat pumps : a guide for planning and installing / / Karl Ochsner |
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Pubbl/distr/stampa |
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London ; ; Sterling, Va. : , : Earthscan, , 2007 |
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ISBN |
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1-136-56498-5 |
1-281-19093-4 |
9786611190934 |
1-84977-144-8 |
600-00-0180-0 |
1-4356-1617-0 |
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Descrizione fisica |
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1 online resource (164 p.) |
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Collana |
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Disciplina |
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Soggetti |
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Ground source heat pump systems |
Dwellings - Heating and ventilation |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di contenuto |
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Front Cover; Geothermal Heat Pumps; Copyright Page; Table of Contents; Preface; Introduction by Robin H. Curtis; List of Acronyms and Abbreviations; 1. Reasons to Use a Heat Pump; 1.1 Environmental benefits; 1.1.1 Our environment is in danger; 1.1.2 Tracking down the culprit; 1.1.3 Heat pumps offer emission-free operation on-site; 1.2 Operating costs; 1.3 Independence; 1.4 Comfort; 1.5 Security for the future; 1.6 Non-flammability; 1.7 Responsibility for the future; 1.8 Ideal for low energy houses; 1.9 Retrofit; 1.10 Multiple functions; 1.11 Public promotion; 1.12 Energy politics/laws |
2. Theory of the Heat Pump2.1 The principle; 2.2 The refrigeration cycle; 2.3 Coefficient of performance; 2.4 Carnot Cycle; 2.5 Working fluid/refrigerant; 2.6 Enthalpy-pressure diagram; 2.7 Heat pump cycle with injection cooling; 3. Heat Pump Types; 3.1 Brine/water, water/water heat pump; 3.1.1 Refrigeration cycle; 3.1.2 Refrigerant; 3.1.3 Electrical components and controller; 3.1.4 Safety measures; 3.1.5 Display; 3.2 Direct expansion/water heat pump; 3.2.1 |
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Refrigeration cycle; 3.2.2 Refrigerant; 3.2.3 Electrical components and controller; 3.2.4 Safety measures; 3.2.5 Display |
3.3 Direct expansion/direct condensation heat pump3.4 Air/water heat pump - split units; 3.4.1 Refrigeration components - indoor unit; 3.4.2 Refrigeration components - outdoor unit; 3.4.3 Refrigerant; 3.4.4 Electrical components and controller; 3.4.5 Safety measures; 3.4.6 Display; 3.5 Air/water heat pump - compact units, indoor installation; 3.5.1 Refrigeration cycle; 3.5.2 Refrigerant; 3.5.3 Electrical components and controller; 3.5.4 Safety measures; 3.5.5 Display; 3.6 Air/water heat pump - compact units, outdoor installation; 3.7 Domestic hot water/heat pumps - air source, split units |
3.7.1 Refrigeration cycle3.7.2 Refrigerant; 3.7.3 Electrical components; 3.8 Domestic hot water heat pump - air source, split units; 3.9 Ground/water heat pump - domestic hot water heat pump - air source, split units; 3.10 Air/air heat pump - ventilation; 3.11 Exhaust-air heat pumps, additional designs; 3.12 Heat pumps for air heating/cooling; 4. Complete System Planning; 4.1 Planning a heat pump heating system; 4.2 Heat source selection; 4.3 Heating system selection; 4.4 Heat pump selection; 4.4.1 Determination of heating demand; 4.4.2 Utility interruptible rates |
4.4.3 Domestic hot water heating4.4.4 Operation configurations; 4.4.5 Heat pump selection; 4.5 Retrofit/renovation; 5. Planning Instructions for Ground Heat Source - Brine Systems (Horizontal Collector, Trench, Vertical Loop); 5.1 Ground heat source; 5.1.1 System description; 5.2 Ground conditions; 5.3 Layout and installation of ground collector; 5.3.1 Horizontal collector installations; 5.3.2 Trench collector/spiral collector; 5.3.3 Vertical loop; 5.4 Connection; 5.4.1 Collection vault; 5.4.2 Safety clearance; 5.4.3 Building penetrations; 5.5 Brine circulation loop; 5.6 Commissioning |
5.7 CO2 loop |
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Sommario/riassunto |
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Geothermal Heat Pumps is the most comprehensive guide to the selection, design and installation of geothermal heat pumps available. This leading manual presents the most recent information and market developments in order to put any installer, engineer or architect in the position to design, select and install a domestic geothermal heat pump system. Internationally respected expert Karl Ochsner presents the reasons to use heat pumps, introduces basic theory and reviews the wide variety of available heat pump models. |
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2. |
Record Nr. |
UNINA9910495904803321 |
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Autore |
Longuenesse Élisabeth |
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Titolo |
Professions et société au Proche-Orient : Déclin des élites, crise des classes moyennes / Élisabeth Longuenesse |
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Pubbl/distr/stampa |
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Rennes, : Presses universitaires de Rennes, 2015 |
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ISBN |
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Descrizione fisica |
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1 online resource (256 p.) |
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Altri autori (Persone) |
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Soggetti |
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History |
Area Studies |
Sociology |
catégorie socio-professionnelle |
profession |
sociologie des professions |
condition sociale |
évolution des valeurs |
élite |
classe moyenne |
XXe siècle |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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Ce livre propose une socio-histoire de quelques professions modernes dans plusieurs pays arabes du Proche-Orient (Syrie, Égypte, Liban, Jordanie), depuis la fin de l'empire ottoman jusqu'aux mutations récentes résultant des politiques de libéralisation économique. L'évolution de la position des ingénieurs, des médecins, des techniciens, des experts-comptables, leur rôle dans le changement social, leur rapport à l'état, les formes de syndicalisation, sont étudiées en relation avec les politiques économiques et sociales, mais aussi avec les représentations tant populaires que savantes. Les concepts d'« élites », de « classes moyennes », de « société civile », diversement mobilisés par le discours savant, sont soumis à une réévaluation |
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critique, en fonction du contexte et du moment. Le fil conducteur est celui d'une réflexion sur les transformations de sociétés qui, confrontées depuis plus d'un siècle à l'emprise de l'occident, s'efforcent de se « réapproprier leur destin » (Jacques Berque). |
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3. |
Record Nr. |
UNINA9910830924903321 |
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Titolo |
Beton Kalender 2008 : Konstruktiver Wasserbau Erdbebensicheres Bauen / / edited by Konrad Bergmeister, Johann-Dietrich Wörner |
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Pubbl/distr/stampa |
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[Place of publication not identified] : , : Wiley‐VCH Verlag GmbH & Co. KGaA, , 2007 |
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ISBN |
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Descrizione fisica |
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1 online resource (469 pages) |
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Collana |
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Disciplina |
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Soggetti |
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Concrete construction |
Reinforced concrete |
Earthquake engineering |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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Dauerhafter Konstruktionsbeton für Wasserbauwerke / Peter Schießl, Christoph Gehlen, Christian Sodeikat, Till Felix Mayer, Angelika Schießl-Pecka -- Schutzbauwerke gegen Wildbachgefahren / Konrad Bergmeister, Jürgen Suda, Johannes Hübl, Florian Rudolf-Miklau -- Küstenschutz / Erik Pasche, Nicole von Lieberman -- LAU-Anlagen: Fugenabdichtung und Dichtkonstruktionen / Ullrich Kluge -- Erdbebensichere Auslegung von Bauwerken nach DIN 4149:2005 / Konstantin Meskouris, Christoph Butenweg -- Dynamische Modellbildung und Analyse von Tragwerken / Christian Bucher, Volkmar Zabel -- Konstruktion und Bemessung von Stahlbeton-Hochbauten nach EC8, Teil 1 / Gertraud Lappas, Eleni Lappa -- Progressiver Kollaps von Bauwerken / Uwe Starossek -- Sonderaspekte zur Schubbemessung nach DIN 1045-1 und EC 2 / Peter Mark, Friedhelm Stangenberg, Michél Bender, Veit Birtel, Thomas Zedler -- Ertüchtigung von Seismisch Beanspruchten Betonbauwerken / Michael |
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N Fardis -- Bemessung von Stahlbeton- und Spannbetonbauwerken unter Erdbebenbeanspruchung / Franz-Hermann Schlüter, Michael Baur, Hans Cüppers, Andreas Fäcke, Slobodan Kasic, Cornelius Ruckenbrod -- Normen und Regelwerke / Frank Fingerloos -- Stichwortverzeichnis. |
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Sommario/riassunto |
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Deals with design and construction of underwater foundation structures and protection structures for coastal areas and inland waterways. This work covers seismic design, specifically dimensioning of reinforced and prestressed concrete structures according to DIN 4149 and Eurocode 8 and under dynamic loads. |
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