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Browsing School of Electrical and Electronics Engineering by Issue Date

Browsing School of Electrical and Electronics Engineering by Issue Date

Now showing items 1-20 of 41

Development of a remote sensing methodology for analyzing shifting cultivation and grazing patterns in the semi-arid region of Kenya.

Wayumba, GO (1983)
Auto-resonant peniotron amplifier with a down tapered DC magnetic field

Musyoki, Stephen; Yokoo, Kuniyoshi; Sato, Nabuyi; Ono, Shoichi (Taylor & Francis, 1990-02)

High efficiency operation of an auto-resonant peniotron amplifier operating with a down tapered DC magnetic field is discussed and the basic design concepts for a 200 GHz experimental prototype tube are described.
Auto-resonant eniotron oscillator using a magnetron type cavity

Musyoki, Stephen; Yokoo, Kuniyoshi; Sato, Nobuyuki; Ono, Shoichi (1991)

In an ideal auto-resonant eniotron oscillator (ARPO), all the electrons are able to give almost all their kinetic energy to an electromagnetic wave, resulting in a conversion efficiency of nearly 100%. However, the electric ...
Design of a high power, 10 GHz auto-resonant peniotron amplifier

Musyoki, Stephen; Sakamoto, Keishi; Watanabe, Akihiko (1992)

The autoresonant peniotron amplifier is a suitable source of high power RF radiation because of its high gain, high power, high frequency and high efficiency operation features. In this report we present our simulation ...
Design of a high power, 2.75 GHz relativistic peniotron oscillator

Musyoki, Stephen; Sakamoto, Keishi; Watanabe, Akihiko (1992-10)

In the peniotron oscillator, the kinetic energy of relativistic electrons can be efficiently converted to an electromagnetic wave. This feature makes the peniotron a very attractive source of high power microwaves, which ...
A new method of emittance measurement for electron beams from the Micro-emitter

Ishizuka, Hiroshi; Nakahara, Yuriko; Kawasaki, Sunao; Musyoki, Stephen; Shimizu, Hiroshi; Watanabe, Akihiko; Shiho, Makoto (1994)

Recently a new type of cathode called Micor-emitter has been put in progress. This cathode is a microfabricated field emitter having the characteristics of very low emittance and high brightness. We cannot measure the ...
Emittance measurement of high-brightness microbeams

Musyoki, Stephen; Ishizuka, Hiroshi; Nakahara, Yuriko; Kawasaki, Sunao; Shimizu, Hiroshi; Watanabe, Akihiko; Shiho, Makoto (Japanese Journal of Applied Physics, 1994)

Arrays of microtriodes have recently become available due to the development of microfabricated field-emission electron sources. Computer simulation has shown that the brightness of beams emitted by them is significantly ...
Controlling waste in food processing using ultrasound level monitoring technology.

Hull, J. B; Muumbo, AM; Whalley, R (1995)
Influence of graphite morphology, matrix structure on gray iron machining

Marwanga, Reuben O; Robert, C. Voigt; Paul, H. Cohen (2000)
Simulation of the influence of secondary electrons on the performance of potential depressed collectors for TWTs

Musyoki, Stephen; Takahashi, M; Uchikawa, T (2000)

Significant differences have been found between measured and simulated data for collectors designed with codes which disregard the influence of secondary electrons. To solve this problem, various codes have been developed. ...
Micro-structural characterisation and mould-filling behaviour of grey cast iron stirred in the semi-solid state

Muumbo, A; Nomura, H (2002)
Processing of Semi-Solid Gray Cast Iron Using the Cooling Plate Technique

Muumbo, Alex; Takita, Mitsuharu; Nomura, Hiroyuki (2003)

A semi-solid processing technique combining a cooling plate and various mold materials is developed to produce high quality gray cast iron components. Flow behavior of semi-solid slurry along an inclined cooling plate is ...
Mechanical properties and microstructure of semi-solid processed cast iron

Muumbo, Alex; Hiroyuki, Nomura; Mitsuharu, Takita (2003)
Semi—solid Processing of Cast Iron and Material’S Properties."

Muumbo, A M (2003)
Casting of semi-solid cast iron slurry using combination of cooling slope and pressurisation

Muumbo, A; Nomura, H; Takita, M (2004)

A system developed at Nagoya University combining a cooling slope, gravity pouring and pressurisation was utilised to cast components from hypoeutectic cast iron in the semi-solid state. Investigation of resulting ...
A precast concrete technology for affordable housing in Kenya. Pt. 2

Shitote, SM; Nyomboi, T; Muumbo, A; Wanjala, RS; Khadambi, EL; Orowe, J; Sakwa, F; Apollo, A (2008)
Thermal removal of mercury in spent powdered activated carbon from Toxecon process

Okwadha, GDO; Li, Jin; Ramme, Bruce; Michaud, Dave; Kollakowsky, Dave (2009)

This research developed and demonstrated a technology to liberate Hg adsorbed onto powdered activated carbon (PAC) by the TOXECON process using pilot-scale high temperature air slide (HTAS) and bench-scale thermogravimetric ...
An overview of the Faculty of Infomation Technology in 2009.

Marwanga, Reuben O (2009)
Steady state inferential modeling of temperature and pressure in an air-swept coal pulverizing ball mill

Makokha, AB; Moys, Michael H; Couvas, Costa; Muumbo, AM (Elsevier, 2009)

Mill discharge temperature and differential pressure have a strong effect on efficiency and safety of a coal fired power plant. Therefore, it is imperative that they are closely monitored and controlled during mill operation ...
The use of ICT in enhancing quality in public universities: case of Moi University

Ataro, E; Nzila, C; Muumbo, A (2009)

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