Proceedings of 4th International Conference on Renewable Energy Sources and

Energy Efficiency – New Challenges

Nicosia Cyprus 6 – 7 June 2013, Hilton Hotel Nicosia, Cyprus

ISBN 978-9963-567-04-1

Editors:

Prof. Ioannis Michaelides, Prof. Agis Papadopoulos, Prof. Andreas Poullikkas

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4th International Conference on Renewable Energy Sources and Energy Efficiency – New Challenges Nicosia Cyprus 6 – 7 June 2013

Executive Organising Committee Conference Coordinator: Mr Marios Tsiakkis Cyprus Chamber of Commerce and Industry

Conference Chairman: Prof. Andreas Poullikkas American University of Sharjah and Electricity Authority of Cyprus

Members: Prof. Ioannis Michaelides Cyprus University of Technology Mr George Partasides Ministry of Commerce, Industry and Tourism, Energy Service Mr Christos Maxoulis Cyprus Scientifc and Technical Chamber Prof. Agis Papadopoulos Aristotle University of Thessaloniki Dr George Tzamzis The Cyprus Institute Mr Andreas Pentaliotis Natural Gas Public Company of Cyprus Mrs Anthi Charalambous Cyprus Energy Agency Mr Panayiotis Keliris Cyprus Energy Regulatory Authority Prof. George Georgiou University of Cyprus Prof. Evangelos Dialynas National Technical University of Athens Dr Christos Ε. Christodoulides Transmission System Operator, Cyprus

Scientific Committee Chairman: Prof. Ioannis Michaelides, Cyprus University of Technology Members:

Mr Marcello Antinucci, Ecuba Srl., Italy Dr Constantinos Balaras, National Observatory of Athens, Greece Prof. Stelios Choulis, Cyprus University of Technology, Cyprus Prof. Chris Christodoulou, Frederick University, Cyprus Prof. Evangelos Dialynas, Natioanl Technical University of Athens, Greece Dr Venizelos Efthymiou, Electricity Authority of Cyprus, Cyprus Dr Polyvios Eleftheriou, Cyprus University of Technology, Cyprus Dr Paris Fokaides, Frederick University, Cyprus Prof. George Georgiou, University of Cyprus, Cyprus Prof. George Karagiorgis, Frederick University, Cyprus Prof. Elias Kyriakides, University of Cyprus, Cyprus Prof. Manfred Lange, The Cyprus Institute, Cyprus Prof. Agis Papadopoulos, Aristotle University of Thessaloniki, Greece Prof. Manthos Santamouris, University of Athens, Greece Dr Despina Serghides, Cyprus University of Technology, Cyprus Dr Kyriacos Tsiftes, Zenith Engineering Consultants, Cyprus Prof. Theocharis Tsoutsos, Technical University of Crete, Greece Prof. Derek Wilson, Institution of Engineering and Technology, UK Prof. Theodoros Zachariades, Cyprus University of Technology, Cyprus

Advisory Committee

Prof. Toula Onoufriou Vice Rector (Academic Affairs), Cyprus University of Technology. Prof. Costas N. Papanicolas Chairman, The Cyprus Institute, Cyprus. Prof. Agis Papadopoulos Department of Mechanical Engineering, Aristotle University of Thessaloniki, Greece. Prof. Evangelos Dialynas National Technical University of Athens, Greece

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Renewable Energy Sources in Crete 7

Techno-economics study of hybrid system combined 12

with renewable energy sources

Emissions measurements of naturally-aspirated and turbo-charged 22

Diesel internal combustion engines for various biodiesel blends

Constraints to Assets, Waste to Resources: Integrating Green 32

Technologies in a Novel Pilot Project for Drylands

The Use of Renewable Energies in the New Legislative Framework 42

for Decreasing Energy Consumption in Buildings in Greece

Occupants’ behaviour and the energy consumption during summer in 48

a University building

A preliminary study for Cyprus energy retrofits potential of 58

residential buildings.

Selecting Fenestration for Cooling Energy Efficiency in Cyprus 67

Comparative assessment of the Greek and the Cypriot Regulation 79

for thermal insulation by their implementation in a typical building

Initial Evaluation of a Heat Plate Solar Collector for Solar Heating 89

and/or Cooling Systems

Very high values of global irradiance due to cloud enhancement 98

in Cyprus

Power Quality Measurements on Distribution Feeders with 108

Integrated Wind Generators

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Energy saving potential by the application of green roofs in the 119

Climatic conditions of Greece

Opportunities for Wave Energy Exploitation in the 129

East Mediterranean Region

On investigating the correlation between external and internal air 139

leakages and the impact of wind unsteadiness on the actual

infiltration rates in buildings

Optimization of the used cooking oil to biodiesel chain. 149

The European initiative RecOil

Photovoltaics competitiveness and measures to accompany 156

PV to grid parity and beyond

The Contribution of the Courtyard to the Environmental Perception 166

of Residential Architecture in Cyprus

Sustainable architecture through an environmental educational 179

Program

Beyond solar radiation management – the strategic role 189

of low cost photovoltaics in solar energy production

Energy Certification of Hellenic Buildings 199

Standby Energy Consumption of Electrical Appliances 208

in Hellenic Households

Combined heat and power production from agricultural biomass by 220

means of gasification and Internal Combustion Engine application

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Heat Recovery in an Air Conditioning System 229

with Air-To-Air Heat Exchanger

Anaerobic Digestion And Biogas Utilization In 239

Greece: Current Status And Perspectives

Change in heat load profile for typical Danish multi-storey buildings 247

when energy-renovated and supplied with low-temperature district heating

Presentation of a new 3-stage steady bed gasification scheme 259

appropriate for biomass

Estimation of municipal solid waste heating value in Greece in 269

the frame of formulating appropriate scenarios on waste

treatment

Energy Efficiency in Households – A Case Study from 278

Four European Islands

The role of the new way of living in the bioclimatic design- a 287

response to weather architecture through a case study in Kaimakli

Domestic Electricity Consumption and the Public Awareness 295

Factor

A new Concept for a multilevel sinusoidal Inverter 307

Line current Harmonics Elimination at the output of 317

Grid - Connected DC to AC Thyristor Converters

Mitigation of Environmental Impact via an Integrated Hydrogen 326

production system based on solar and nuclear energy sources in U.A.E.

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“A solar-driven near-Braysson cycle incorporating 337

multistage, intercooled compression”

Technical-economic optimization of sustainable electric-vehicle 347

charging infrastructure using linear programming

Assessing Transport Scenarios In Relation To Climate 359

Change And Air Quality

In situ U-value measurements for today’s Cypriot Houses 366

Advanced Technology For Anaerobic Conversion Of Organic 376

Waste Producing Biogas, Electric And Thermal Energy And Sterile

Biological Mineral Fertilizer

Selection of optimum steam turbines parameters for CSP plants 380

Energy efficiency in domestic appliances and lighting 389

Field survey on multy- family buildings in order to depict their 402

energy characteristics

Implementing the Greek Energy Performance of Buildings Regulation 409

in practice

The PV-NET project: Promotion of PV energy through 415

net metering optimization

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KEYWORDS -

ABSTRACT

1 INTRODUCTION

4th International Conference on Renewable Energy Sources and Energy Efficiency - New ChallengesNicosia Cyprus 6 - 7 June 2013 (Paper No. 1330)

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2 THE HELENIC EPC DATABASE

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3 CONCLUSION

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ACKNOWLEDGEMENT

REFERENCES

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