Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Inge Magdalena Sutjahja"'
Autor:
Yunita Anggraini, Akhmad Yusuf, Surjani Wonorahardjo, Daniel Kurnia, Sparisoma Viridi, Inge Magdalena Sutjahja
Publikováno v:
Arabian Journal of Chemistry, Vol 15, Iss 8, Pp 103963- (2022)
This study focused on the effects of methylation and different anions (Br− and Cl−) on the physicochemical and thermal properties of [C16MIM]X and [C16MMIM]X, belonging to the imidazolium-based ionic liquid (IL) family. The effect of methylation
Externí odkaz:
https://doaj.org/article/f831ab5725604668be1de0537b229df3
Autor:
Annisa Rahman, Akhmad Yusuf, Risky Afandi Putri, Yunita Anggraini, Febri Berthalita Pujaningsih, Daniel Kurnia, Surjamanto Wonorahardjo, Inge Magdalena Sutjahja
Publikováno v:
Materials Research, Vol 24, Iss 6 (2021)
Abstract Freezing of cobalt nitrate hexahydrate (CoNHH) under a static magnetic field was studied at three different magnetic field intensities. The results show that the magnetic field has a significant effect when the sample enters the solid phase
Externí odkaz:
https://doaj.org/article/28062646d33c436596cc0a9a8ace7881
Autor:
Surjamanto Wonorahardjo, Inge Magdalena Sutjahja, Daniel Kurnia, Zulfikar Fahmi, Widya Arisya Putri
Publikováno v:
Buildings, Vol 8, Iss 8, p 95 (2018)
The role of thermal mass in indoor air-cooling during the day is a common area of study, which is particularly relevant for an era characterized by energy crises. Thermal energy storage (TES) technologies for application in rooms and buildings are no
Externí odkaz:
https://doaj.org/article/8a41c6d25d3f41a09220a88823f03fc2
Autor:
Inge Magdalena Sutjahja, Sparisoma Viridi, Surjamanto Wonorahardjo, D. Kurnia, Yunita Anggraini, Alfriska O. Silalahi
Publikováno v:
Instrumentation Mesure Métrologie. 20:195-202
Accurate measurement of the thermal conductivity of a heat transfer fluid (HTF) is important for optimizing the performance of a thermal energy storage system. Herein, we develop a system to measure the thermal conductivity of an HTF during temperatu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cea14074fbdd41364c4cd46300cd6607
https://doi.org/10.18280/i2m.200403
https://doi.org/10.18280/i2m.200403
Publikováno v:
Revista de Chimie. 72:198-209
The Huckel method is an old fashion method to predict the molecular orbital and energies of electrons in a conjugated molecule. Although Huckel`s theory`s approximations are relatively crude, its general results are still reasonable compared to t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b0eefd2b4aed17df5a432f8a61d6ac6
https://doi.org/10.37358/rc.21.3.8448
https://doi.org/10.37358/rc.21.3.8448
Publikováno v:
JPSE (Journal of Physical Science and Engineering). 6:61-67
One of the biggest problems for farmers in the dry season is the lack of water supply for irrigation. Currently, various types of pumps have been widely used, such as fuel pumps and pumps with PLN electricity. However, the costs required to operate t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5d5b1410fccaac8cbe4b4be5af28f61
https://doi.org/10.17977/um024v6i22021p061
https://doi.org/10.17977/um024v6i22021p061
Publikováno v:
Materials Science Forum. 1028:144-150
The addition of energy from the electric field is one way in the active method to overcome the nucleation barriers of inorganic phase change materials (PCM) e.g. salt hydrate. The effort is to aim at improving the performance of PCM as a thermal ener
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ebb0eba8348c1eb60168e3d81544c99
https://doi.org/10.4028/www.scientific.net/msf.1028.144
https://doi.org/10.4028/www.scientific.net/msf.1028.144
Autor:
Rizky Amalia Achsani, Mardiyati, Dixon Thomas, Steven, Surjamanto Wonorahardjo, Heri Andoni, Inge Magdalena Sutjahja
Publikováno v:
Materials Today: Proceedings. 44:3195-3198
Urban heat island accumulatively influenced by characteristics of its building environment. A developed urban area that characterized with many building constructions shown a higher air temperature than its surrounding. Thermophysical studies of buil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4870f9c76f23ecbea4ccd87c596ac17
https://doi.org/10.1016/j.matpr.2020.11.436
https://doi.org/10.1016/j.matpr.2020.11.436
Autor:
Ahmad Swandi, F. Afrianto, R. Afandi Putri, Radhiah Anggraini, Inge Magdalena Sutjahja, H. Kurniawati, P. Wulandari, D. Kurnia, Annisa Rahman
Publikováno v:
Materials Today: Proceedings. 44:3199-3202
This paper reports the results of an experimental study for electrofreezing of a salt hydrate-based phase change material CaCl2⋅6H2O to reduce the supercooling effect. The experiment was performed by using DC voltage and 0.3 mm diameter of the copp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2049f9f3d690d3cb008c64017389cf3f
https://doi.org/10.1016/j.matpr.2020.11.437
https://doi.org/10.1016/j.matpr.2020.11.437
Publikováno v:
Materials Today: Proceedings. 44:3188-3191
This study focused on the effects of anions and the alkyl chain length of cations on the thermophysical properties of imidazolium-based ionic liquid (ILs). The data were obtained from references and the NIST database. The studied parameters include t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ae8aae1513697cf98619f2afc61d879
https://doi.org/10.1016/j.matpr.2020.11.434
https://doi.org/10.1016/j.matpr.2020.11.434