scholarly journals System Design for Early Detection of Explosive and Flammable Gas Leaks Using Mobile Robot in Confined Space

2021 ◽  
Vol 2107 (1) ◽  
pp. 012028
Author(s):  
M A Abu Bakar ◽  
M R Manan ◽  
R M Kawi ◽  
L J Yunn
Keyword(s):  
Gas Sensors ◽  
Specific Area ◽  
Prototype System ◽  
Confined Space ◽  
Liquefied Petroleum Gas ◽  
Gas Leak ◽  
Environment Temperature ◽  
Flammable Gas ◽  
Air Sample ◽  
Gas Leaks

Abstract The presence of explosive or flammable gases in confined space may contribute towards accidents that threaten the workers safety and industrial progress. Conventionally, the existing instrument for gas detection in confined space is manually carried by humans whereby the workers or competence person itself were exposed directly to the gases. This project is aim to develop a prototype system to detect the presence of gases leak where the robotic system replaces humans to carry gas sensors. Users only need to maneuver the robot using a mobile phone to monitor the specific area that may have an explosive or flammable gas leak which includes Liquefied Petroleum Gas (LPG) and methane gases. The sensors will detect if a change in the gas concentration has exceeded a safety limit and will activate the alarm as an alert signal. The readings of gases as input signals were sent wirelessly to the Personal Computer (PC) as a user device for monitoring purposes. This prototype is successfully developed, tested and calibrated using the samples of LPG gas, methane, smoke and environment temperature. The result proved that the developed system is able to detect an air sample using selected gas sensors and display the data in graph form with live monitoring. This will contribute significantly to acquiring a new and alternative method using the system for detecting the presence of gases in confined space application.

Failure to Detect Gas Leaks

2011 ◽  
Vol 19 (1) ◽  
pp. 21-23 ◽  
Author(s):  
Michael S. Wogalter ◽  
kenneth R. Laughery
Keyword(s):  
Gas Sensors ◽  
Nasal Congestion ◽  
Leak Detection ◽  
Gas Leak ◽  
Gas Leaks

A scenario based on actual cases is presented in which a consumer fails to detect a gas leak. A spark source ignites the vapor, causing an explosion and fire. Odorant added to alert people of gas leaks is not always detected for a number of reasons, including nasal congestion, sleep, odor fade, masking, and adaptation or habituation. Electronic gas sensors that alarm in the presence of explosive gas are available in the consumer marketplace and could augment leak detection.

scholarly journals GAS LEAK DETECTION SYSTEM MONITORING BASED IoT USING MCU NODES WITH GOOGLE FIREBASE COMMUNICATION

Jurnal Teknik ◽  
2020 ◽  
Vol 9 (2) ◽  
Author(s):  
Mohammad Imam Syaiffullah ◽  
Sumardi Sadi ◽  
Roni Suyono
Keyword(s):  
Response Time ◽  
Detection System ◽  
Leak Detection ◽  
Smartphone Application ◽  
Test Results ◽  
Liquefied Petroleum Gas ◽  
Gas Cylinder ◽  
Gas Leak ◽  
Gas Leaks ◽  
The Ideal

ABSTRACT Liquefied Petroleum Gas (LPG) leak detection system is a precautionary measure for hazards such as a gas cylinder explosion. There have been many incidents of building explosions because the occupants were negligent in anticipating the gas leak. Therefore, this research has made a gas leak detection system that is integrated with the IoT concept using Google Firebase. This tool aims to anticipate the dangers of gas leaks that occur in a room in a building or house. This tool is wrapped in an acrylic box measuring 10 x 11 x 8 cm. By using NodeMCU ESP8266 as the main control, the gas sensor uses MQ - 2 as input, LED, LCD, and buzzer as output. This tool is also equipped with IoT (Internet of Things) so that the room where this tool is installed when a gas leak occurs can provide notifications remotely using an application on a smartphone. From this tool, test results have been obtained for the ideal distance from the gas regulator to the sensor which is 1 cm away by producing a sensor response time of 0.90 seconds and also getting the response time of the tool in sending notifications to the smartphone application of 1.79 seconds. Keywords: LPG, Firebase, IoT, NodeMCU, Gas Detection 

scholarly journals Implementasi Teknologi Internet of Things Pada Sistem Pemantauan Kebocoran Gas LPG dan Kebakaran Menggunakan Database Pada Google Firebase

2020 ◽  
Vol 12 (1) ◽  
pp. 34-40
Author(s):  
Abi Sabila Mustaqim ◽  
Danny Kurnianto ◽  
Fikra Titan Syifa
Keyword(s):  
Internet Of Things ◽  
Monitoring System ◽  
Data Transmission ◽  
The Internet ◽  
Android Application ◽  
Liquefied Petroleum Gas ◽  
Safety Standards ◽  
Gas Leak ◽  
Gas Leaks ◽  
The Internet Of Things

Fire due to  Liquefied Petroleum Gas (LPG) gas leak is one of the disasters that still often occurs in the community. Community ignorance of safety standards in using LPG gas  is one reason. Fires can be prevented if at the time of the LPG gas leak can be detected earlier. Therefore we need a system that can monitor the condition of gas leaks and fires remotely. Internet of things (IoT) technology can be applied to this monitoring system so that information on LPG gas leaks and fires can be monitored remotely. The Internet of Things (IoT) based LPG and Fire leak monitoring system is a concept that utilizes internet connectivity between smartphone devices connected to sensor devices. The devices used to support this system include NodeMCU ESP8266 as a microcontroller and as a liaison to the internet, MQ-6 gas sensors and flame sensors as sensors for detecting gas and fire leaks, buzzers as alarms, and fans as neutralizing gas levels in the room. Data obtained by the sensor will be uploaded to the database via the internet and can be accessed through an android application. The results of the design show that the android application can display notifications when a gas leak or fire occurs. In testing the performance of data transmission, the results show that the highest data transmission delay is 64,61 seconds, and the lowest delay time is 61,56 seconds, the highest throughput value is 747,6 bits/second, and the lowest value is 285,4 bits/second.

scholarly journals Forensic Engineering Analysis Of A Propane fueled Residential Gas Explosion

2011 ◽  
Vol 28 (1) ◽  
Author(s):  
David S. Komm
Keyword(s):  
Gas Migration ◽  
Root Cause ◽  
Residential Heating ◽  
Gas Leak ◽  
Gas System ◽  
Flammable Gas ◽  
Forensic Engineering ◽  
Safety Features ◽  
Gas Leaks ◽  
Selection Of

The Use Of Liquid Petroleum Or Commercial Propane Gas (Hereafter Referred To As Propane) For Residential heating And Cooking Is Common In The Rural United States Where Providing The Infrastructure For natural Gas Distribution Would Be Too Costly. A Typical Installation May Include A 500 Gallon Pressurized vessel Containing A Mixture Of Liquid And Vapor Propane With The Vapor Fed To An Individual Residence through An Underground Line. Safety Features, Such As Odorization Of The Propane, Multi-Regulator Installations, prudent Selection Of Gas Line Components, And System Leak Checks Are Utilized To Prevent And/Or recognize Fugitive Gas Leaks.  in 2005 An Event Occurred In Michigan Which Involved A Flammable Gas Leak, Corrosion, Gas Migration through Soil, A Buildup Of The Flammable Gas, And Subsequent Ignition Resulting In An Explosion which Destroyed A Two Story Home. This Forensic Investigation Eventually Revealed That The Root Cause Of the Incident Lay In Actions Taken During The Original Construction. Some 16 Years After The Installation Of the Subject Gas System Circumstances Came Together To Create An Explosion.

scholarly journals INTERNET OF THINGS (IoT) PADA PROTOTIPE PENDETEKSI KEBOCORAN GAS BERBASIS MQ-2 dan SIM800L

Jurnal Teknik ◽  
2019 ◽  
Vol 7 (2) ◽  
Author(s):  
Sri Mluyati ◽  
Sumardi Sadi
Keyword(s):  
Internet Of Things ◽  
Gas Sensors ◽  
Leak Detector ◽  
Gas Leakage ◽  
Gas Leak ◽  
Gas Detector ◽  
Use Of The Internet ◽  
The Right ◽  
Gas Leaks ◽  
The Internet Of Things

The use of the Internet of Things is currently becoming popular, using communicating objects. Likewise in the context of gas . To find out gas leakage and early detection of gas leakage, a prototype gas leak detector was made using MQ-2 and SIM800L. This gas detector uses Arduino nano, gas sensors (MQ-2), RFID, 16x2 and i2c LCDs, Buzzers, and SIM800L modules. as a wireless connection using SMS. The method used in this study is the experimental method. This tool is implemented and processed on hardware and provides the right and expected results. Gas Leaks will be detected on gas levels starting at 52%.

scholarly journals Perancangan Detektor Kebocoran Gas LPG Berbasis Arduino yang Terhubung dengan Smartphone

2021 ◽  
Vol 3 (1) ◽  
pp. 65
Author(s):  
Ade Mutaqin ◽  
Erwin Sitompul
Keyword(s):  
Gas Sensor ◽  
Early Warning ◽  
Leak Detector ◽  
Liquefied Petroleum Gas ◽  
Measurement Result ◽  
Gas Leakage ◽  
Gas Leak ◽  
High Level ◽  
Air Circulation

LPG (Liquefied Petroleum Gas) has become the fuel for cooking for most households in Indonesia. The use of LPG for cooking requires high level of caution, due to the danger that may arise from gas leakage. If the molecules of flammable LPG gas are present in the air at a certain concentration and there is a triggerring factor in the form of flame or sparks, explosion and fire may occur. To prevent disasters caused by a LPG gas leakage, the author proposed an Arduino-based LPG gas leak detector (GLD). The GLD is equipped with a MQ-2 gas sensor, capable of measuring the LPG concentration in air in units of parts per million (ppm). Based on the measurement result, the GLD provides an early warning of LPG leakage through 3 condition levels: Normal, Alert, and Danger. Each condition level is characterized by the activation of LED indicators, a miniature air circulation fan , and a buzzer. Alert warning is released when the sensor reads more than 400 ppm (2.05% of LPG Lower Explosive Level). Danger warning is given at 800 ppm (4.10% of LPG Lower Explosive Level) or higher reading. An HC-06 Bluetooth module creates a wireless connection between the GLD and a smartphone. Through an application created on Blynk platform, the smartphone can monitor the LPG concentration at a distance of 10 m from the GLD. The GLD is tested and succeeded to detect gases coming from an LPG cylinder and from a gas lighter. The GLD also runs perfectly for the designed early warning scheme.

scholarly journals Penerapan Fuzzy Logic pada Sistem Pendeteksi Gas C4h10 dalam Ruangan sebagai Media untuk Menampilkan Bahaya Berbasis Android dan Graphical User Interface

KOMTEKINFO ◽  
2019 ◽  
Vol 6 (1) ◽  
pp. 40-49
Author(s):  
Defnizal
Keyword(s):  
Graphical User Interface ◽  
Fire Hazard ◽  
Android Application ◽  
Gas Leakage ◽  
Fuzzy Methods ◽  
Gas Leak ◽  
The Status ◽  
Hazard Level ◽  
Gas Leaks ◽  
The Impact

Gas is one of the needs that is widely used by the community. The use of gas is very much beneficial, for example, such as the use of gas in households and the use of gas in business or industry. However, there are things we must pay attention to when using gas in terms of safety. Because gas is volatile and there is a possibility of gas leakage which can cause a fire hazard. Therefore to reduce the impact of hazards that can be caused due to gas leakage, a gas leak detection device needs to be made using the MQ5 sensor and the status of the hazard level will be displayed through the android application. So that the existence of this tool will make it easier for users to know the level of gas levels and the level of danger of gas leaks. In this system there are 3 (three) levels of danger, namely safe, normal, and dangerous. If the gas level is high and in danger status, the system will provide information on the android application in the form of gas levels, danger levels and alarms. The use of Fuzzy methods in this system can be applied to explore knowledge and decision making, so that the Fuzzy method is applied to be expected to help in calculating the level of danger of gas leakage effectively and safely to use. In designing this system, the author uses the Fuzzy algorithm with the Mamdani method so that it can facilitate obtaining maximum results in determining the level of danger. From the resulting output can be information about the dangers of gas leakage.

RealSens™: An Advanced Passive Airborne Natural Gas Leak Detection Technology

2006 ◽  
Author(s):  
Adrian Banica ◽  
Chris K. Sheard ◽  
Boyd T. Tolton
Keyword(s):  
Remote Sensing ◽  
Natural Gas ◽  
Near Infrared ◽  
New Technology ◽  
Infrared Band ◽  
Underground Pipelines ◽  
Detection Technology ◽  
Gas Leak ◽  
Gas Leaks ◽  
Transmission And Distribution

Detecting natural gas leaks from the worlds nearly 5 million kilometers of underground pipelines is a difficult and costly challenge. Existing technologies are limited to ground deployment and have a number of limitations such as slow response, false leak readings and high costs. Various remote sensing solutions have been proposed in the past and a few are currently being developed. This paper starts by describing the remote sensing concept and then will focus on a new technology developed by Synodon scientists. This airborne instrument is a passive Gas Filter Correlation Radiometer (GFCR) that is tuned to measure ethane in the 3.3 microns near-infrared band. With its target natural gas column sensitivity of 50 μm, the instrument is capable of detecting very small leaks in the range of 5–10 cuft/hr in winds that exceed 6 miles/hr. The paper concludes with a description of the service which Synodon will be offering to the transmission and distribution pipeline operators using the new technology.

Results of Field Trials of Realsens™, An Airborne Natural Gas Leak Detection Technology

2008 ◽  
Author(s):  
Adrian Banica ◽  
Doug Miller ◽  
Boyd T. Tolton
Keyword(s):  
Remote Sensing ◽  
Natural Gas ◽  
Near Infrared ◽  
New Technology ◽  
Field Tests ◽  
Field Trials ◽  
Infrared Band ◽  
Detection Technology ◽  
Gas Leak ◽  
Gas Leaks

Detecting natural gas leaks from the worlds nearly 5 million kilometers of underground pipelines is a difficult and costly challenge. Existing technologies are limited to ground deployment and have a number of limitations such as slow response, false leak readings and high costs. Various remote sensing solutions have been proposed in the past and a few are currently being developed. This paper starts by describing the remote sensing concept and then will focus on a new technology developed by Synodon scientists. This airborne instrument is a passive Gas Filter Correlation Radiometer (GFCR) that is tuned to measure ethane in the 3.3 microns near-infrared band. The paper will then present the results of the first airborne field tests and conclude with a description of the service which Synodon will be offering to the transmission and distribution pipeline operators using the new technology.

Study of Distribution and Quantification of Flammable Gas in Confined Space

2014 ◽  
Vol 638-640 ◽  
pp. 2097-2100
Author(s):  
Ales Tulach ◽  
Miroslav Mynarz ◽  
Milada Kozubkova
Keyword(s):  
Natural Gas ◽  
Low Pressure ◽  
Confined Space ◽  
Gaseous Fuels ◽  
Confined Spaces ◽  
Elapsed Time ◽  
Cfd Models ◽  
Flammable Gas ◽  
Broad Overview

The contribution deals with leakage of natural gas from domestic low-pressure piping. Spreading of the leaked natural gas in the confined space is deals with and the areas are defined where local hazardous concentrations are formed. Mathematical CFD models provide broad overview of spreading of natural gas, in dependence on the elapsed time from the start of leakage. The contribution should improve the understanding of spreading and distribution of mixture of gaseous fuels in confined spaces, and thus leads to significant reduction of the risk of occurrence of fire or explosion or to prevention of these hazards.

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