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Article

INCREASING REDUCTION OF CO2 EMISSION IN HYBRID VEHICLES

This article concerns the issue of reduction of CO2 emission in hybrid vehicles. External lighting through LED technology was applied to show additional CO2 savings in these vehicles. The authors propose for hybrid vehicles of M1 category: conditions of testing external lights, research equipment with measuring system and measuring method in order to determine energy savings obtained by application of external LED light. It enables to calculate saving of CO2 emission and estimate potential

Zbigniew ŁUKASIK, Jacek KOZYRA, Aldona KUŚMIŃSKA-FIJAŁKOWSKA

Transport Problems , ISSUE SE, 87–94

Article

ERRORS OF MANOMETRIC CO2 SORPTION EXPERIMENTS ON COAL CAUSED BY ACCURACY OF PRESSURE SENSOR

The accuracy of supercritical CO2 sorption determination on coal is important for estimating the CO2 sequestration potential of coal bed using CO2 injection into deep unminable coal seams. Based on the CO2 density change and CO2 sorption data of three selected coal samples, this paper investigates the effect of pressure-sensor accuracy on measurements of CO2 adsorption isotherms on coals with manometric equipment. The characteristic density-change of CO2 in proper pressure range determines a

Jiang Renxia, Yu Hongguan, Wang Li, Chen Lihui

International Journal on Smart Sensing and Intelligent Systems , ISSUE 2, 468–490

Research Article

CO2 sensing characteristics of Sm1-xBaxCoO3 (x = 0, 0.1, 0.15, 0.2) nanostructured thick film

SmCoO3 gas sensor has been developed with high sensitivity for CO2 gas by doping Ba. Nanostructured SmCoO3 and Sm1-xBaxCoO3 (x = 0, 0.1, 0.15, 0.2) were obtained by EDTAGlycol method. The operation temperature falls and sensitivity increases from 425 to 370OC when Ba concentration in SmCoO3 changes from x = 0 to x = 0.1. Ag impregnation over Sm0.9Ba0.1CoO3 sensor, on exposure to CO2 at about 360OC showed an increased sensitivity as well as the response time also decreases. The possible CO2

G.N. Chaudhari, P.R. Padole, S.V. Jagatap, M.J. Pawar

International Journal on Smart Sensing and Intelligent Systems , ISSUE 3, 613–622

Research Article

EMBEDDED SENSING AND ACTUATION FOR HELMETS CO2 LEVELS CONTROL

The paper reports on the development and evaluation of a simple closed loop solution for controlling the CO2 levels within small enclosed environments, such as Explosive Ordnance Disposal (EOD) protective suit helmets. Based on a detailed analysis of the helmet environment during bomb disposal missions, the solution proposed automates the current manually controlled fan integrated within the helmet to achieve an effective, timely and energy efficient, control system.Whilst the paper and its

John Kemp, Elena Gaura, James Brusey, Doug Thake

International Journal on Smart Sensing and Intelligent Systems , ISSUE 1, 160–185

Article

LIFE CYCLE ASSESSMENT OF FUEL CELLS ELECTRIC VEHICLES

technologies of hydrogen (H2), is carried out. Life cycle assessment (LCA) method is used. A comparison, concerning fuel consumption and emissions as CO2 equivalent for the whole life cycle, is done for FCEV and conventional gasoline vehicle (GV). The influence of the energy mix and technology of production of hydrogen on spent energy and air pollution is analyzed. As the results show, in countries with CO2 emissions over 447 g per 1 kWh electricity, the technology of hydrogen production from natural gas

Ivan EVTIMOV, Rosen IVANOV, Hristo STANCHEV, Georgi KADIKYANOV, Gergana STANEVA

Transport Problems , ISSUE 3, 153–166

Research Article

Change-point detection in CO2 emission-energy consumption nexus using a recursive Bayesian estimation approach

Olushina Olawale Awe, Abosede Adedayo Adepoju

Statistics in Transition New Series , ISSUE 1, 123–136

Article

USE OF CASING SOIL FROM SPENT MUSHROOM COMPOST FOR ENERGY RECOVERY PURPOSES IN POLAND

Use of spent mushroom substrate (SMC) for energy production appears as a response to the problem with the utilization of this waste throughout the whole year. In the Polish national energy supply system, which is based mainly on hard coal and lignite, use of biomass may contribute to limiting CO2 emissions. The work presents a comparative analysis of the unit emission of CO2, CO, SO2, NOx and particle matter referred to the unit of energy produced from the referenced hard coal, spent mushroom

Monika CZOP, Krzysztof PIKOŃ

Architecture, Civil Engineering, Environment , ISSUE 1, 95–102

Research Article

Pure and Cupricated BaSnO3 thick film resistor: Synthesis, Characterization and studies on its gas sensing performance

In this work we report the synthesis, microstructure, electric properties and sensing performance of BaSnO3 (BS) powder, it was prepared by mechano-chemical method. As prepared powder is calcinated at temperatures 1100 oC, and 1300 oC tested for crystallization. Thick films were prepared using simple screen-printing technology. Structural and electrical analyses were performed and the results have been correlated. The material was tested for various gases such as CO, CO2, NH3, Cl2, H2, LPG

N.U. PATIL, V.B. GAIKWAD, P.D. HIRE, R.M. CHAUDHARI, M. K. DEORE, G. H. JAIN

International Journal on Smart Sensing and Intelligent Systems , ISSUE 1, 433–447

Research Article

AN APPROACH TOWARDS DEVELOPMENT OF PMV BASED THERMAL COMFORT SMART SENSOR

ASHRAE 55-2004 and ISO 7730 standards failed to predict actual comfort level and lead to oversize design of HVAC system. So proper thermal environment monitoring is an important subject to have right size of HVAC systems. A prototype thermal EM system has been developed. Thermal environment parameters such as: temperature, relative humidity, CO and CO2 are measured by using the developed system. These data are used to calculate the thermal comfort index. The subjective judgments and the

Anuj Kumar, I. P. Singh, S. K. Sud

International Journal on Smart Sensing and Intelligent Systems , ISSUE 4, 621–642

research-article

NUMERICAL MODELLING OF UNDERVENTILATED FIRE IN A COMPARTMENT

preliminary adopted. The calculations were done for Case 1 in two variants: without any radiation model and with the S2S model taken into account. The results are shown in Figures 3 and 4 as comparison of distributions of temperature and mass concentration of CO2 in two time moments. Figure 3. Temperature distribution at two time moments for Case1 Figure 4. Mass fraction of CO2 distribution at two time moments for Case1 As it can be seen the presented distributions are not the same, but the

Małgorzata KRÓL, Aleksander KRÓL

Architecture, Civil Engineering, Environment , ISSUE 2, 115–123

Article

NANOSTRUCTURED Fe2O3 THICK FILM AS AN ETHANOL SENSOR

Thick films of AR Grade nano Fe2O3 material with n-type semiconducting properties were prepared and tested for their gas sensing performances. Thick films of the materials were prepared by screen printing technique. The gas sensing performance was studied using static gas sensing system. The material was tested for various gases such as CO, CO2, NH3, Cl2, H2, LPG, ethanol and H2S. The nano Fe2O3 film showed maximum sensitivity to ethanol gas at 350 oC temperature at 250 ppm concentration with

N. K. Pawar, D. D. Kajale, G. E. Patil, V. G. Wagh, V. B. Gaikwad, M. K. Deore, G. H. Jain

International Journal on Smart Sensing and Intelligent Systems , ISSUE 2, 441–457

Article

A STUDY OF COST AND EMISSIONS CONSIDERING SPEED OPTIMIZATION IN TRANS EURASIA TRANSPORTATION BASED ON INTELLIGENT TRANSPORTATION

Xu Dongmin, Dingyi, Huang Youfang, Yang Bin

International Journal on Smart Sensing and Intelligent Systems , ISSUE 1, 191–214

Article

SYNTHESIS OF NANOSTRUCTURED ZrO2 FOR GAS SENSING APPLICATION

18 nm and 20 nm, respectively. Gas sensing properties of their thick films, which were fabricated by screen-printing to various gases (O2, NO2, C2H5OH, CO, CO2, NH3, LPG, H2S and H2) were tested in ambient air. The ZrO2 thick films showed a high response and selectivity to H2S gas. The effect of operating temperature, gas concentration on the sensing characteristics of these films towards H2S was discussed..

Pratap G. Patil, D. D. Kajale, V. P. Patil, G. E. Patil, G. H. Jain

International Journal on Smart Sensing and Intelligent Systems , ISSUE 3, 673–684

Research Article

NANOSTRUCTURED ZnCo2O4THICK FILM AS AN ETHANOL SENSOR

like Acetone, Ethanol and CO2. It was found that the sensors exhibited various sensing responses to these gases at different operating temperature. Furthermore, the sensor exhibited a fast response and a good recovery. The results demonstrated that ZnCo2O4 can be used as a new type of gas-sensing material which has a high sensitivity and good selectivity to Ethanol 200 ppm.

S. V. Bangale

International Journal on Smart Sensing and Intelligent Systems , ISSUE 1, 178–195

Article

SYNTHESIS OF ZnO NANORODS BY HYDROTHERMAL METHOD FOR GAS SENSOR APPLICATIONS

interfering gases such as CO2, CO, Ethanol, NH3 and H2S etc at operating temperature from 30o (room temperature) to 300oC. The results indicate that the ZnO nanorod thick films showed much better sensitivity and stability than the conventional materials to H2S gas at 30oC. The nanoshaped pillar can improve the sensitivity and selectivity of the sensors. ZnO nanorods are excellent potential candidates for gas sensors.

Sarika D. Shinde, G. E. Patil, D. D. Kajale, D. V. Ahire, V. B. Gaikwad, G. H. Jain

International Journal on Smart Sensing and Intelligent Systems , ISSUE 1, 57–70

Article

EFFECT OF METAKAOLIN DEVELOPED FROM LOCAL NATURAL MATERIAL SOORH ON WORKABILITY, COMPRESSIVE STRENGTH, ULTRASONIC PULSE VELOCITY AND DRYING SHRINKAGE OF CONCRETE

The utilization of pozzolanic materials like metakaolin (MK) in cement mortar and concrete is growing in construction industry all around the world to reduce the CO2 release into the atmosphere and reduce energy consumption. This study instigates the performance of concrete containing locally developed metakaolin in terms of workability, unit weight, compressive strength, ultrasonic pulse velocity and drying shrinkage of concrete. The Portland cement (PC) is replaced by inclusion of developed

Abdullah SAAND, Manthar Ali KEERIO, Daddan khan BANGWAR

Architecture, Civil Engineering, Environment , ISSUE 2, 115–122

Research paper

A HIGH RESOLUTION OF HUMAN BREATH GAS SENSOR AND THE ANALYSIS OF HYPERVENTILATION FOR RESCUE ROBOTICS IN DISASTER ZONES (IRIS2010)

This paper presents a new type of ultrasonic gas molecule concentration sensor for rescue robotics and the performance of developed sensor is investigated by applying as human breath gas measurement sensor. This devise can measure the change of the gas concentration with a sampling rate of 400 kHz. Ideal gas experiment results show that the proposed sensor could detect the difference between 5% CO2 and pure air over 50 dB S/N and could discriminate humidified air and pure air with 55 dB S/N

Hideki Toda, Genci Capi

International Journal on Smart Sensing and Intelligent Systems , ISSUE 2, 292–303

Article

SYNTHESIS OF SrTiO3 NANOPOWDER BY SOL-GEL- HYDROTHEMAL METHOD FOR GAS SENSING APPLICATION

. The transmission electron microscopic investigations have shown that the particle size of the as-prepared powder has a mean size of 34 nm. Then highly sensitive and selective sensors to H2S based on glass substrate were fabricated successfully by screen-printing technique. Sensitivity, selectivity, response time, and recovery time of the sensors were systematically investigated as a function of operating temperature, using H2S, CO, CO2, H2, Cl2, LPG, C2H5OH, O2, NH3 and NO2 as test gases. The

D. D. Kajale, G. E. Patil, V. B. Gaikwad, S. D. Shinde, D. N. Chavan, N. K. Pawar, S. R. Shirsath, G. H. Jain

International Journal on Smart Sensing and Intelligent Systems , ISSUE 2, 382–400

Article

USE OF BIOLOGICAL METHODS FOR REMOVAL OF H2S FROM BIOGAS IN WASTEWATER TREATMENT PLANTS – A REVIEW

Biogas is produced during anaerobic digestion of organic substances by a consortium of microorganisms. Biogas consists mainly of methane (CH4 ) and carbon dioxide (CO2). Other gases such as dinitrogen (N2), water vapour (H2 O), ammonia (NH3), hydrogen sulfide (H2S) and other sulfur compounds could also be found therein. Biogas produced by waste biomass has been recognized as one of the most important alternative energy sources in the recent years. In order to be used as a source of energy to

Krzysztof Barbusiński, Katarzyna Kalemba

Architecture, Civil Engineering, Environment , ISSUE 1, 103–112

research-article

SELECTED ASPECTS OF THE USE OF GASEOUS FUELS BLENDS TO IMPROVE EFFICIENCY AND EMISSION OF SI ENGINE

1. INTRODUCTION Greenhouse gas emissions from transport constitute around 22% of the total CO2 emissions of globally processed energy. However, this emission plays an important role primarily due to the rapid increase in traffic and almost total dependence of transport on fossil fuels. In addition, transport is the fastest growing sector of the economy among all emission sources. According to the latest ITF data, CO2 emissions from passenger transport in the world will increase from 30% to 110

Grzegorz KUBICA, Marek FLEKIEWICZ, Paweł MARZEC

Transport Problems , ISSUE 1, 95–103

Research Article

MICROBIOLOGICAL CONTAMINATIONS OF UNDERGROUND GAS STORAGE FACILITIES AND NATURAL GAS PIPELINES

the quality of stored gas or disruption of its transmission. The paper presents a variety of microbiomes of the underground storage facilities and pipelines, showing that not only the sulfate-reducing bacteria are able to grow and develop in these extreme environments. Microorganisms producing CH4 may change the composition of the gas, and the produced H2S and CO2 are not only gas pollutants, but also generate corrosion of transmission networks. At the same time, the presence of bacteria and

Agnieszka Staniszewska, Alin Kunicka-Styczyńska, Krzysztof Ziemiński

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 4, 381–388

Article

THE INFLUENCE OF SELECTED GASEOUS FUELS ON THE COMBUSTION PROCESS IN THE SI ENGINE

Summary. This paper presents the results of SI engine tests, carried out for different gaseous fuels. The analysis carried out made it possible to define the correlation between fuel composition and engine operating parameters. The tests covered various gaseous mixtures: methane with hydrogen from 5% to 50% by volume and LPG with DME from 5% to 26% by mass. The first group, considered as low-carbon-content fuels can be characterized by low CO2 emissions. Flammability of hydrogen added in those

Marek FLEKIEWICZ, Grzegorz KUBICA

Transport Problems , ISSUE 3, 135–146

Article

AN ASSESSMENT OF AIRPORT SUSTAINABILITY MEASURES: A CASE STUDY OF POLISH AIRPORTS

Air transport, like every economic branch, strives for development. Air traffic is growing dynamically, which means that the natural environment is increasingly being polluted each year. Therefore, entities operating in the air transport sector should care for the environment. One of these entities - airports - introduces many restrictions for aircraft with high CO2 (carbon dioxide) emissions. At the same time, they introduce many ecological activities. Every year, also at the largest Polish

Dariusz TŁOCZYŃSKI, Małgorzata WACH-KLOSKOWSKA, Rodrigo MARTIN-ROJAS

Transport Problems , ISSUE 4, Part 2, 287–300

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