Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Keun Sun Chang"'
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 17:23-30
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 17:24-30
Abstract Vertical and standing column well ground heat exchangers have mostly been installed for ground sourceheat pump systems (GSHP) and thermal response tests (TRT) have been applied to evaluate the thermal characteristicsfor these heat exchangers
Publikováno v:
Korean Journal of Air-Conditioning and Refrigeration Engineering. 26:453-459
Autor:
Min-Jun Kim, Keun-Sun Chang
Publikováno v:
Korean Journal of Air-Conditioning and Refrigeration Engineering. 26:460-466
Publikováno v:
International Journal of Air-Conditioning and Refrigeration. 27:1950015
The standing column well (SCW) for ground source heat pump (GSHP) systems is a highly promising technology with its high heat capacity and efficiency. In this study, a large-scale thermal response tester has been built, which is capable of imposing a
Autor:
Young-Jae Kim, Keun-Sun Chang
Publikováno v:
Journal of Industrial and Engineering Chemistry. 19:1827-1837
In this research, a steady-state cycle simulation program for thermodynamic performance analysis of CO2 geothermal heat pump systems was developed. A series of case studies were conducted by changing system parameters and operation conditions in orde
Autor:
Thanh-Long Phan1 50008833208@st.tuat.ac.jp, Keun-Sun Chang2
Publikováno v:
International Journal of Transport Phenomena. 2009, Vol. 11 Issue 3, p255-265. 11p. 3 Diagrams, 1 Chart, 8 Graphs.
Publikováno v:
Journal of Mechanical Science and Technology. 26:1213-1226
Most modern refrigerators incorporate heat transfer between the refrigerant in a capillary tube and the refrigerant in a suction line. This heat transfer is achieved by a non-adiabatic capillary tube called a capillary tube-suction line heat exchange
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 12:3366-3373
In this study, performance characteristics of a water source heat pump system using CO 2 as a refrigerant are investigated experimentally. Cooling and heating capacities and COP of the system are analyzed for various system performance variables such
Autor:
Hee-Jeong Kang, Keun-Sun Chang
Publikováno v:
Korean Journal of Air-Conditioning and Refrigeration Engineering. 23:562-570
In this research, an experimental study is performed to investigate the effects of system operating variables on the cooling and heating characteristics of heat pump system using geothermal heat source and carbon dioxide as a refrigerant. System vari