Essays about: "isobutan"

Found 3 essays containing the word isobutan.

1. 1. Performance comparison between reciprocating and scroll compressor heat pumps with R600a refrigerant

   University essay from KTH/Skolan för industriell teknik och management (ITM)

   Author : CHRISTOFER KRONSTRÖM; [2021]
   Keywords : Heat pump; R600a; isobutane; scroll compressor; reciprocating compressor; piston compressor; Värmepump; R600a; isobutan; scrollkompressor; kolvkompressor;

   Abstract : A performance comparison of heat pumps using a scroll (Sanden) and a reciprocating (Bitzer) compressor was conducted experimentally. The refrigerant used was R600a (isobutane). READ MORE

3. 2. Evaluation of an economizersolution for a heat pump

   University essay from KTH/Skolan för industriell teknik och management (ITM)

   Author : Elsa Forsgren; [2020]
   Keywords : ;

   Abstract : This thesis evaluates the performance of a heat pump intended to be used as an economizer. The idea is to use the heat from still hot refrigerant after the condenser in a larger heat pump, running on propane, as the heat source for the economizer pump. READ MORE

4. 3. Analysis of short chain fatty acids in faecal samples : development and validation of a new method

   University essay from SLU/Dept. of Food Science

   Author : Nils Ewald; [2016]
   Keywords : short chain fatty acids; SCFA; faeces; dietary fibre; quantification; gas chromatography; flame ionization detector; GC-FID;

   Abstract : Short chain fatty acids (SCFA) are produced by the gut microflora following the intake of complex carbohydrates and have been suggested as a contributor for some of the health benefits associated with dietary fibre (DF) intake. For further research of the mechanisms and effects of SCFA, reliable and accurate methods for analysis of SCFA in different biological samples are needed. READ MORE