Search for dissertations about: "heat exchangers"
Showing result 1 - 5 of 86 swedish dissertations containing the words heat exchangers.
-
1. Performance Analysis and Optimal Design of Heat Exchangers and Heat Exchanger Networks
Abstract : This thesis presents a study on performance analysis and optimal design of heat exchangers and heat exchanger networks. The study includes an experimental investigation of steam condensation in plate heat exchangers, optimal design of plate heat exchangers and plate-fin heat exchangers, and optimization of heat exchanger networks. READ MORE
-
2. Advances in Ventilation Heat Recovery : An assessment of peak loads shaving using renewables
Abstract : The building sector accounts for approximately 40% of total global energy usage.In residential buildings located in cold climate countries, 30-60% of this energy isused for space heating, 20–30% is lost by discarded residential wastewater, and therest is devoted to ventilation heat loss. READ MORE
-
3. Estimation of Thermal and Hydraulic Characteristics of Compact Brazed Plate Heat Exchangers
Abstract : This thesis work presents various performance estimation methods of compact brazed plate heat exchangers (BPHE) operating in single phase, condenser, evaporator, cascaded and transcritical applications. Such methods play a vital role in development of heat exchanger selection software and during geometry parameter estimation in the new product development process. READ MORE
-
4. Improvements of U-pipe Borehole Heat Exchangers
Abstract : The sales of Ground Source Heat Pumps in Sweden and many other countries are having a rapid growth in the last decade. Today, there are approximately 360 000 systems installed in Sweden, with a growing rate of about 30 000 installations per year. READ MORE
-
5. Flow Boiling Heat Transfer in Single Vertical Channels of Small Diameter
Abstract : Microchannel heat exchangers present many advantages, such as reduced size, high thermal efficiency and low fluid inventory; and are increasingly being used for heat transfer in a wide variety of applications including heat pumps, automotive air conditioners and for cooling of electronics.However, the fundamentals of fluid flow and heat transfer in microscalegeometries are not yet fully understood. READ MORE