About

Log in?

DTU users get better search results including licensed content and discounts on order fees.

Anyone can log in and get personalized features such as favorites, tags and feeds.

Log in as DTU user Log in as non-DTU user No thanks

DTU Findit

Recent

Boolean: (bicycle AND helmet) OR (head AND protection) (always group AND in parenthesis)
Title: title:(climate change)
Author: author:("bohr niels" OR "bohr n") (avoid only full first name)
Phrase: "water pump control" (does not work with wildcards)
Wildcards: wom?n pharm*

More help on how to search

Flexible matching

About search syntax

Search syntax Advanced
Close advanced
{{problem}}
By field Using AND/OR By author
This tool can help you build boolean queries suitable for doing a broad search for different synonyms or spellings of each word. Start via the drop-down below or just start typing in the search field.
{{ row.typeTitle }}: ( )

Since our index often lack the full first name of people it can be difficult to correctly search by author.

Fill in the fields and let us help you build a good query:

If you need to find everything possible, consider only searching by last name.

Use "Starting year" to ignore publications out of year range.

Author: Knudsen remove
Filter results...

Interpreted as:

title:(System AND performance AND with AND R407A AND R407B AND R407C AND compared AND to AND R22.)

Suggestions: Include records that partially match the query

Filter results
Access
Type
Language
Year
From DTU
Advanced
Previous 1 - 2 of 2 Next
Export
10 items by relevance
1 Journal article

System performance with R407A, R407B, R407C compared to R22

Knudsen, Hans Jørgen Høgaard

Scan Ref — 1997, Volume 26, Issue 4, pp. 5-9

The article presents the results obtained by substituting R22 with mixture of R32/R125/R134A (R407A, R407B and R407C) in an existing refrigeration plant. Cooling capacity, coefficient of performance and heat transfer coefficient in the evaporator have been measured.The results show that for R407C

Year: 1997

Language: English

More...
epgjnmf chadb klio
2 Conference paper

System performance with R407A, R407B, R407C compared to R22

Knudsen, Hans Jørgen Høgaard

15. Nordiske Kølemødet/8. Nordiske Varmepumpedagene — 1997, pp. 1-12

The paper presents the results obtained by substituting R22 with mixtures of R32/R124/134a (R407A, R407B and R407C) in an existing refrigeration plant. The cooling water flow and cooling water inlet temperature together with the brine flow and brine inlet temperature have been kept on a value

Year: 1997

Language: English

More...
cibh j egpmfldoakn

DTU users get better search results including licensed content and discounts on order fees.

Log in as DTU user