Sökning: "Javed Saqib"

Hittade 5 avhandlingar innehållade orden Javed Saqib.

1. 1. Design of ground source heat pump systems. Thermal modelling and evaluation of boreholes

   Författare :Saqib Javed; Avdelningen för Installations- och klimatiseringslära; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Sammanfattning : .... LÄS MER

3. 2. Design of ground source heat pump systems. Thermal modelling and evaluation of boreholes

   Författare :Saqib Javed; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; ground-coupled; optimization; simulation; borehole; Ground source heat pump; ground heat exchanger; thermal response test; fluid temperature; sensitivity analysis;

   Sammanfattning : Ground source heat pump systems are fast becoming state-of-the-art technology to meet the heating and cooling requirements of the buildings. These systems have high energy efficiency potential which results in environmental and economical advantages. LÄS MER

4. 3. Thermal modelling and evaluation of borehole heat transfer

   Författare :Saqib Javed; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; ground source heat pump; fluid temperature; borehole; short-term; thermal response test; groundwater-filled; optimization; load aggregation; simulation; recovery; step-response; long-term; ground heat exchanger; times; design; ground-coupled;

   Sammanfattning : The use of ground source heat pump systems to provide heating and cooling inbuildings has increased greatly in the last decade or so. These systems have a highpotential for energy efficiency, which has environmental and economicadvantages. LÄS MER

5. 4. Performance evaluations of high-temperature cooling systems in Mediterranean climate

   Författare :Henrikki Pieskä; Christophe Duwig; Saqib Javed; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; High-temperature cooling; building energy simulations; exergy; Högtemperaturkyla; byggnadsenergisimuleringar; exergi; Strömnings- och klimatteori; Fluid and Climate Theory;

   Sammanfattning : Cooling demand in Europe is predicted to grow 25-50% between 2020-2050. Meanwhile, the EU aims to lower the greenhouse gas emissions from its building stock by 60%. Therefore, it is essential to find solutions that can meet the growing cooling demand with less energy and integrate renewable energy sources. LÄS MER

7. 5. Utilization of a GSHP System in a DHC Network : modeling and optimization

   Författare :Anjan Rao Puttige; Thomas Olofsson; Ronny Östin; Staffan Andersson; Javed Saqib; Umeå universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Ground source heat pump; district heating and cooling; optimization; borehole heat exchanger; artificial neural network; hybrid model; field measurements; calibration; heat pumps; prosumer;

   Sammanfattning : The ground source heat pumps (GSHPs) of customers connected to the district heating and cooling (DHC) network can benefit both the customer and the energy company. However, operating the GSHP to minimize the cost of providing heating and cooling to the customer while ensuring the long-term stability of the ground temperature is a challenge. LÄS MER