četvrtak, 20.10.2011.



Refrigerant Enthalpy Chart

refrigerant enthalpy chart

  • any substance used to provide cooling (as in a refrigerator)

  • (refrigeration) the process of cooling or freezing (e.g., food) for preservative purposes

  • causing cooling or freezing; "a refrigerant substance such as ice or solid carbon dioxide"

  • Causing cooling or refrigeration

  • The change in this quantity associated with a particular chemical process

  • Enthalpy (denoted as H) is a measure of the energy associated with a system. It can be thought of as the amount of energy required to create a system plus the amount of energy required to make room for it by displacing its environment.

  • In thermodynamics, a measure of the heat content of a chemical or physical system

  • heat content: (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure; "enthalpy is the amount of energy in a system capable of doing mechanical work"

  • A thermodynamic quantity equivalent to the total heat content of a system. It is equal to the internal energy of the system plus the product of pressure and volume

  • Record on a chart

  • Make a map of (an area)

  • Plot (a course) on a chart

  • make a chart of; "chart the territory"

  • a visual display of information

  • a map designed to assist navigation by air or sea

refrigerant enthalpy chart - Low-Enthalpy Geothermal

Low-Enthalpy Geothermal Resources for Power Generation

Low-Enthalpy Geothermal Resources for Power Generation

In many developing countries the exponentially growing electricity demand can be covered by using locally available, sustainable low-enthalpy geothermal resources (80-150 °C). Such low-enthalpy sources can make electricity generation more independent from oil imports or from the over-dependence on hydropower. Until now this huge energy resource has only been used by some developed countries like the USA, Iceland and New Zealand.
The reason why low-enthalpy geothermal resources are not used for electricity generation is that there is still a misconception that low-enthalpy thermal fluids are fit only for direct application. The advancement of drilling technology, development of efficient heat exchangers and deployment of high sensitive binary fluids contribute to the useful application of this energy resource on a much wider scale.
This book focuses on all aspects of low enthalpy geothermal thermal fluids. It will be an important source book for all scientists working on geothermal energy development. Specifically those involved in research in developing countries rich in such thermal resources, and for agencies involved in bilateral and international cooperation.

82% (10)

Calorimetry: Walnut & Marshmallow

Calorimetry: Walnut & Marshmallow

Walnut pieces contain 200 calories/30 grams; one piece burns for 42 seconds.
Mini Marshmallows contain 100 calories/30 grams; one marshmallow burns for 10 seconds.

Video shows the food burning three times as fast as it does in reality.

"Fight Fire with Fire" by Isobel Campbell & Mark Lanegan

Enthalpy of condensation

Enthalpy of condensation

Quotidia 256
A slow cooker cover with condensation.

refrigerant enthalpy chart

refrigerant enthalpy chart

Enthalpy: Webster's Timeline History, 1937 - 2007

Webster's bibliographic and event-based timelines are comprehensive in scope, covering virtually all topics, geographic locations and people. They do so from a linguistic point of view, and in the case of this book, the focus is on "Enthalpy," including when used in literature (e.g. all authors that might have Enthalpy in their name). As such, this book represents the largest compilation of timeline events associated with Enthalpy when it is used in proper noun form. Webster's timelines cover bibliographic citations, patented inventions, as well as non-conventional and alternative meanings which capture ambiguities in usage. These furthermore cover all parts of speech (possessive, institutional usage, geographic usage) and contexts, including pop culture, the arts, social sciences (linguistics, history, geography, economics, sociology, political science), business, computer science, literature, law, medicine, psychology, mathematics, chemistry, physics, biology and other physical sciences. This "data dump" results in a comprehensive set of entries for a bibliographic and/or event-based timeline on the proper name Enthalpy, since editorial decisions to include or exclude events is purely a linguistic process. The resulting entries are used under license or with permission, used under "fair use" conditions, used in agreement with the original authors, or are in the public domain.

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