Encapsulation of phase change materials for heat storage

... total amount of heat storage/ release (J) m = mass of heat storage material (g) cp = specific heat capacity of heat storage material (J kg-1 °K-1) Tm = melting temperature of heat storage material ... directly into the heating area (Hasnain, 1998) Latent heat storage The term “latent heat storage can be generally described as the storage of heat in the fo...

Ngày tải lên: 05/10/2015, 21:22

... resulting in fabrication of novel core- shell materials The objective of this work is therefore to study and perform the organic phase fabrication of core- shell materials for encapsulation of biomolecules ... for organic phase fabrication of core- shell materials; 3) Organic phase fabrication of hydrogel core- shell materials; 4)...

Ngày tải lên: 11/09/2015, 10:15

... the buildings It is the new way to design the smart buildings with light weight by incorporating the PCMs inside the hollow cavity of brick Environment Friendly Cooling of building using phase change ... benefits remain uncertain, especially for the residential sector This study investigates the potential of using PCM for thermal heat storage in building facade...

Ngày tải lên: 05/09/2013, 17:03

... tool for nations to regions in terms of developing climate change scenarios Developing climate change scenarios for small areas of Vietnam Based on software MAGICC / SCENGEN, we have built climate ... form of decades of the 21st century However, within the scope of this paper, we only introduce climate change scenarios that are summarized in...

Ngày tải lên: 05/03/2014, 16:20

... reducing gases [12] To investigate the oxidation activity of synthesized and commercial materials, we performed TPR study of SnO2 with and without Pd (Fig 6) TPR profile of the synthesized SnO2 displays ... target gas is of the same order of magnitude as the resistance of the sensors on the basis of commercial SnO2 The use of synthesized SnO2 results in the highest...

Ngày tải lên: 19/03/2014, 16:47

... diameter is rather large for the penetration of methane molecules, but small for the transition of the K@C601? Each hole in the blocking chamber is formed as a result of removing 24 carbon atoms ... desorption from the nanocapsule Thermodynamic conditions are P = 0.1 MPa and T = 350 K Conclusion We demonstrated the functioning of the nanocapsule of complex structural s...

Ngày tải lên: 22/06/2014, 00:20

... younger scions in the second growing season In contrast, in the first growing season, the growth increment of the younger scions is much greater as a percentage of the original scion dimensions Thus ... decline in growth potential demonstrated by grafting and the change in annual diameter growth increment observed in of the older trees in the natural stand is...

Ngày tải lên: 09/08/2014, 02:21

... integration into heterojunction silicon wafer solar cells and subsequently the modelling of heterojunction and hybrid heterojunction silicon wafer solar cells that utilize these films Three key ... monocrystalline/multicrystalline solar cells, thin- film solar cells, organic solar cells, tandem cells, concentrator cells and varying choice of mat...

Ngày tải lên: 09/09/2015, 11:15

... objective of this work is to apply novel gate materials for the performance enhancement of flash memory devices, including both floating gate- type flash memory devices and SONOS-type flash memory devices ... enhancement of flash memory devices, including both floating gate- type flash memory devices and SONOS-type flash memory devices These...

Ngày tải lên: 11/09/2015, 14:24

... addresses the scaling limitations of the Phase Change Random Access Memory (PCRAM) that is considered as one of the best candidates for meeting the scaling requirements for the next wave of memory ... paid to the physical limitations of the materials and the current limitation of memory cells in subsequent chapters The physical limitations of...

Ngày tải lên: 11/09/2015, 16:04

... 2.1 Principle of phase- change recording and temperature profile of the recording layer in writing and erasing process 10 Chapter Phase change optical data storage The principle of phase change ... However, whether femtosecond pulse can induce crystalline to amorphous phase transition in other phase change materials or amorphous to crystalline phase transition...

Ngày tải lên: 16/09/2015, 08:30

... DEVELOPMENT OF CHITIN BASED MATERIALS FOR TISSUE ENGINEERING APPLICATIONS CHOW KOK SUM (B.Sc Hons, NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMISTRY ... treatment of malfunctioning or lost organs An important focus in this new approach is the search for suitable materials for development of a variety of tissue eng...

Ngày tải lên: 17/09/2015, 17:20

... contribution This thesis mainly focuses on two contributions of PCM: using PCM as a SSDbuffer to increase its write efficiency, and impact of PCM on relational database As the first and main contribution ... fingerprint that originally contained in physical number 1024, so by checking in the location to f ingerprint mapping, we can find the fingerprint and update it This ma...

Ngày tải lên: 12/10/2015, 17:35

... explosive phase change occurs at a laser ~uence of about 4[1 J cm−1[ 2[ Numerical modeling Numerical modeling is carried out to compute the heat transfer and phase change processes during excimer laser ... 2[ Velocity of the plume front and laser energy scattered by the laser! evaporated plume as a function of laser ~uence[ plume\ the percentage of lase...

Ngày tải lên: 06/05/2014, 08:55