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View article: Enhancing evaporation in vacuum freeze drying: Optimizing airflow in horizontally-connected chambers
Enhancing evaporation in vacuum freeze drying: Optimizing airflow in horizontally-connected chambers Open
Efforts to enhance the evaporation rate in a vacuum freeze-drying system were carried out by adding a fan between the drying chamber and the cold trap, which are horizontally connected. The fan was installed to accelerate the vapor movemen…
View article: Measurement of thermal conductivity using 2D inverse heat conduction problem approach by identifying simultaneously the heat dissipation phenomena
Measurement of thermal conductivity using 2D inverse heat conduction problem approach by identifying simultaneously the heat dissipation phenomena Open
Various methods for measuring thermal conductivity have been applied under both steady-state and transient conditions. A challenge in thermal conductivity measurement lies in accurately identifying the heat dissipated to the environment. T…
View article: Gamma irradiation pilot project: Enhancing food safety and export quality in Indonesia
Gamma irradiation pilot project: Enhancing food safety and export quality in Indonesia Open
This study aims to evaluate the feasibility of establishing a gamma irradiator pilot project in Indonesia to reduce food loss and food waste, as well as to enhance the value of export commodities. Gamma irradiators have the potential to ex…
View article: Thermal characteristics Monte Carlo calculation of accelerator inner components
Thermal characteristics Monte Carlo calculation of accelerator inner components Open
An electron accelerator receives heat mainly from radiofrequency resonance. This correlates to the increase in temperature for the inner components of the accelerating structure. An analysis of the thermal characteristics within an acceler…
View article: Development of low cost 16-channel data acquisition to measure the heat distribution of Arjuna 1.0 electron beam machine
Development of low cost 16-channel data acquisition to measure the heat distribution of Arjuna 1.0 electron beam machine Open
Development of low cost 16-channel data acquisition to measure the heat distribution of electron beam machine Arjuna 1.0. The penetration and irradiation dose rate of electron beam are measured using the Cellulose Triacetate (CTA) dosimete…
View article: Application of the Conjugate Gradient Method for Predicting Unknown Heat Flux in 2D Plat under Effect of Insulation
Application of the Conjugate Gradient Method for Predicting Unknown Heat Flux in 2D Plat under Effect of Insulation Open
When an anomaly is discovered during a thermal inspection of industrial equipment, the diagnosis of finding the heat source is made more difficult by the presence of heat insulation. The use of the Conjugate Gradient Method (CGM) to solve …
View article: Design of RF cavity test module for electron accelerator with magnetron 2.45 GHz
Design of RF cavity test module for electron accelerator with magnetron 2.45 GHz Open
A design of low-cost electron accelerator is currently being initiated by utilizing a magnetron that is widely commercially used. One such activity is designing an RF cavity test module consisting of a magnetron as an RF source, a waveguid…
View article: Design of S-Band accelerator structure utilizing 2.45 GHz magnetron
Design of S-Band accelerator structure utilizing 2.45 GHz magnetron Open
This work presents the design of a side-coupled standing wave accelerator structure operating in S-band resonant frequency. It consists of cavity cells, side coupling cells, a power coupling cavity cell, a waveguide structure, and a magnet…
View article: Determination of Optimum Materials Thickness for Converting E-Beam Energy into Bremsstrahlung X-Rays on a 10 MeV High Energy Electron Accelerator Using MCNP
Determination of Optimum Materials Thickness for Converting E-Beam Energy into Bremsstrahlung X-Rays on a 10 MeV High Energy Electron Accelerator Using MCNP Open
The e-beam produced by the high-energy electron accelerator has a relatively small penetrating power. To increase the penetrating power, a converter must convert the e-beam energy into bremsstrahlung x-rays. This research aims to determine…
View article: Commissioning Test of the Iradiator Gamma Merah Putih
Commissioning Test of the Iradiator Gamma Merah Putih Open
Initialized with design phase in 2015, BATAN developed a gamma irradiator, namely the Iradiator Gamma Merah Putih (IGMP). Located in Puspiptek Serpong, the IGMP finished its construction in 2017. Commissioning test was performed for assuri…
View article: Gamma Irradiator Facilities for Processing Plant Industries Products
Gamma Irradiator Facilities for Processing Plant Industries Products Open
Indonesia is rich in diversity of agroindustrial products. Yet the tropical climate causes agroindustrial products being easily damaged. Techniques for food preservation have been widely known such as drying, cooling or freezing, canning, …