Abstract-
A pulse skipping control strategy is proposed to improve efficiency of grid-tied inverters at light loads. To maximize the efficiency of pulse skipping operation mode, three key parameters are identified and optimized based on a loss model, which is developed to find the maximal efficiency points using a three-dimensional search technique. A 200W prototype inverter was setup to verify the proposed control strategy. The experimental results show that the proposed pulse skipping control strategy greatly impr ....etc

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Abstract:
new power machine concept has been designed and analyzed for production, and proof of principle subscale tests have been performed, with positive results. The machine design concept is applicable as a compressor, pump, motor, or engine. Simplicity of design based on spherical ball pistons enables a low moving part count, high power to weight ratio, elimination of valve train and water cooling systems, and perfect dynamic balance.

The new design concept utilizes novel kinematic design to completely eliminate inertial loads that wo ....etc

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High Efficiency Miller Cycle Gas Engine
1. INTRODUCTION
The output of gas engines for cogeneration mainly ranges from 100 to 1 000 kW. The present gas engines are broadly classified in two types: lean-burn system (1) and stoichiometric air-fuel ratio combustion system, with the lower output engines using the stoichiometric Air-fuel ratio combustion system while the medium and large size engines adopting the lean-burn system. The lean-burn system generally features in high generating efficiency and low NOx emission in addi ....etc

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Good evening friends!!

I am Ravi kumar from Visakhpatnam doing B.E(Mechanical) final year. We decided to do a project on improving efficiency of boiler in thermal power plant. We chose thermal plant department in Visakhaptanm Steel Plant. We have submitted our project title in college which could not be changed.

But we learnt in plant from our guide that there is nothing in plant to do to improve boiler efficiency and he is neither supporting us.

Hence i want any of project ideas or already done project ....etc

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Describe the thermal jet engine and the chemical rocket engine stating clearly the difference between them ....etc

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Efficiency Improvement of WCDMA Base Station Transmitters using Class-F power amplifiers

Muthuswamy Venkataramani



(ABSTRACT)
Universal Mobile Telecommunications Systems (UMTS) is the preferred third generation (3G) communication standard for mobile communications and will provide worldwide coverage, a convenient software technology and very high data rate. The high data rate, especially, requires the use of bandwidth-efficient modulation schemes such as Quadrature Phase Shift Keying (QPSK). But mo ....etc

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Visit this thread for the full report of this topic:
http://seminarsprojects.net/Thread-improvement-of-thermal-efficiency-by-recovery-of-heat-from-ic-engine-exhaust-full-rep ....etc

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To get full information or details of High Efficiency Miller Cycle Gas Engine ppt please have a look on the pages

http://seminarsprojects.net/Thread-high-efficiency-miller-cycle-gas-engine-ppt

if you again feel trouble on High Efficiency Miller Cycle Gas Engine ppt please reply in that page and ask specific fields in High Efficiency Miller Cycle Gas Engine ppt ....etc

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Six-Stroke, High-Efficiency Quasiturbine Concept Engine
With Distinct, Thermally-Insulated
Compression and Expansion Components

George Marchetti and Gilles Saint-Hilaire


Need to increase engine thermal efficiency. This paper presents a Quasiturbine thermal management strategy in the development of high-efficiency engines for the 21st century. In the concept engine, high-octane fuels are preferred because higher engine efficiencies can be attained with these fuels. Higher efficiencies mean less fuel consumption and lower at ....etc

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.doc IMPROVEMENT OF THERMAL EFFICIENCY BY RECOVERY OF HEAT FROM IC ENGINE EXHAUST (THERMAL SCIENCES).doc (Size: 1.3 MB / Downloads: 1071)

IMPROVEMENT OF THERMAL EFFICIENCY BY RECOVERY OF HEAT FROM IC ENGINE EXHAUST
(THERMAL SCIENCES)
CONTENTS:
1. ABSTRACT
2. INTRODUCTION
3. PRINCIPLE OF HEAT RECOVERY FROM IC ENGINE
4. NECESSITY OF THERMAL STORAGE SYSTEM
5. LATENT HEAT THERMAL STORAGE SYSTEM
6. EXPERIMENTAL SETUP
7. RESULTS AND DISSCUSSIONS
8. PERFORMANCE CHARACTERISTICS STUDY
9. CONCLUSION
IMPROVEMENT OF THERMAL EFFICIENCY BY RECOVERY OF HEA ....etc

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