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Determination of Taylor Bubble Properties and Co-Current Upward Slug Flow Characteristics from Experimental Database of Ultrafast X-Ray Tomography
(Universitas Muhammadiyah Surakarta, 2014-12-04)
Slug flow is characterized by the presence of Taylor
bubbles and liquid slugs with small bubbles inside. Investigations
about detail properties of Taylor bubbles are necessary to obtain
physical mechanisms of slugging ...
A Study of Three Dimensional Bubble Velocities at Co-current Gas-liquid Vertical Upward Bubbly Flows
(Universitas Muhammadiyah Surakarta, 2014-12-04)
Recently, experimental series of co-current gas-liquid
upward bubbly flows in a 6 m-height and 54.8 mm i.d. vertical
titanium pipe had been conducted at the TOPFLOW thermal
hydraulic test facility, Helmholtz-Zentrum ...
Development of Palladium Electrolyte for Maskless Electrochemical microfabrication Process
(Universitas Muhammadiyah Surakarta, 2014-12-04)
A development of a new palladium
electrolyte required for use in a maskless electrochemical
microfabrication process, Enface, is presented. Prior works
showed that a specific conductivity (~2.7 S/m) of electrolytes ...
Synchronization Model of Traffic Light at Intersection with Train Track
(Universitas Muhammadiyah Surakarta, 2014-12-04)
The most common role of traffic lights are as
signal systems to control transportation at urban networks and
traffic management. Urban traffic lights in most of countries
used fixed time. The traffic light systems ...
Effect of Column to Beam Strength Ratio on Performance of Reinforced Concrete Frames
(Universitas Muhammadiyah Surakarta, 2014-12-04)
The Impact of Solvent of Absorption CO2 from Biogas Vinasse
(Universitas Muhammadiyah Surakarta, 2014-12-04)
Reduced energy reserves that occurred in
Indonesia today, it needed a new source of alternative energy.
Biogas is one of the alternative energy sources. Typical
biogas contains 50–65% methane (CH4), 30–45%
carbon dioxide ...
Finite Element Simulation of Deep Drawing of Steel - Aluminium Tailor - Welded Blanks
(Universitas Muhammadiyah Surakarta, 2014-12-04)
In the automotive and aerospace industries, the
need for lightweight products is absolutely necessary. By
combining between the strength and lightweight material
usingTailor Welded Blank(TWB), the need can be ...
The influence of intake pressure and EGR in the combustion timing of a gasoline fuelled HCCI engine developed from single cylinder CI engine
(Universitas Muhammadiyah Surakarta, 2014-12-04)
The study is aimed to obtain suitable methods in
controlling the combustion timing of Homogeneous Charge
Compression Ignition (HCCI) engine. HCCI is a combustion
technology alternative that has potentials to obtain ...
A Study on the Characteristic of Fouling Factor of a Laboratory Scale Shell and Tube Heat Exchanger
(Universitas Muhammadiyah Surakarta, 2014-12-04)
Heat exchangers have been commonly used
in industrial processes such as thermal power plant,
chemical process, air conditioner device, refrigerator,
even in some bigger energy processes like oil and gas.
The performance ...
Analysis Of Wind Speed South Sea As a Potential Source Of Renewable Energy D.I Yogyakarta Based On Satellite Remote Sensing Data Using Fuzzy Logic
(Universitas Muhammadiyah Surakarta, 2014-12-04)
How much energy prediction can be produced very
important in electric energy markets. Electrical energy was sold
before the actual energy produced is very important for the
economic balance a power companies. Thus require ...