Showing posts with label catalytic converter. Show all posts
Showing posts with label catalytic converter. Show all posts

Sunday, 12 February 2023

Analysis of Pollutants in Spark Ignition Engine with Gasohol| Chapter 5 | Techniques and Innovation in Engineering Research Vol. 8

 With a excellent vulnerability to oil embargoes and deficiency of fossil fuels, consideration is focussed on development of alternative fuel sources. Therefore alternative fuels like intoxicating are preferred due to their corresponding properties with fuel. Reduction of exhaust diffusions from engines has been met and given importance in the incident of new engines. The aim of the inspections is to determine and control of contaminants of the variable speed engine accompanying piston surface, laminated with copper and more inner side of the cylinder head in addition to liner fuelled accompanying gasohol [80% of fuel blended with 20% of flammable liquid] by varying timing of spark explosion coupled with catalytic preacher using catalyst of law enforcement officer incorporating air injection in catalytic room.  The operating conditions of the surveys were configuration of the engine and explosion timing, with and outside the provision of catalytic chamber. The consume emissions of element mono oxide (CO), un-burnt hydro carbons  (UBHC) and nitrogen group of chemical elements (NOx) levels were determined at various principles of brake mean effective pressure (BMEP)  of the weapon.CO emissions, UBHC emissions and NOx levels were judged with sophisticated analyst at various principles of BMEP of the engine. Copper coated appliance with gasohol at allure optimum ignition organize reduced dirtiness levels. Catalytic converter with policeman as catalyst reduced contamination levels by 40% and further reduction of issuances were pronounced with the dose of air. The ignition timing that was found to be best with CE was 28∘bTDC (before top dead centre), while it was 27∘bTDC accompanying copper coated power plant (CCE).

Author(s) Details:

Y. Nagini,
Department of Mechanical Engineering, Chaitanya Bharathi Institute of Technology, Hyderabad, India.

Ch. Indira Priyadarshni,
Department of Mechanical Engineering, Chaitanya Bharathi Institute of Technology, Hyderabad, India.

K. Kishor,
Department of Mechanical Engineering, Chaitanya Bharathi Institute of Technology, Hyderabad, India.

M. V. S. Murali Krishna,
Department of Mechanical Engineering, Chaitanya Bharathi Institute of Technology, Hyderabad, India.

Please see the link here: https://stm.bookpi.org/TAIER-V8/article/view/9387

Friday, 24 June 2022

An Experimental Study on Exhaust Emissions from Copper-coated Gasohol Run Spark Ignition Engine with Catalytic Converter | Chapter 1 | Innovations in Microbiology and Biotechnology Vol. 6

The principal pollutants produced by spark ignition engines are carbon monoxide (CO) and unburned hydrocarbons (UHC). These pollutants need to be stopped right now since they are harmful and affect people's health. Copper with a thickness of 300 microns has been applied to the cylinder head's interior and piston crown of the spark ignition engine. For reducing emissions when operated with gasoline, a variable compression ratio, copper-coated spark ignition engine with a catalytic converter using sponge iron catalyst has been studied (blend of 20 percent ethanol and 80 percent gasoline by volume). On these emissions, the impact of many factors is examined, including void ratio, airflow rate, injected air temperature, speed, compression ratio, and engine load. A microprocessor-based analyzer is used to measure the amount of CO/UHC in the engine's exhaust. Speed, load, compression ratio, and air injection into the catalytic converter are all found to have a significant impact on the amount of pollutants in the exhaust. A copper-coated spark ignition engine operating on gasoline alcohol considerably reduced exhaust emissions as compared to a typical engine operating on pure gasoline.


Author(s) Details:

M. V. S. Murali Krishna,
Mechanical Engineering Department, Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500075, India.

S. Narasimha Kumar,
Mechanical Engineering Department, Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500075, India.

K. Kishor,
Mechanical Engineering Department, Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500075, India.

Please see the link here: https://stm.bookpi.org/IMB-V6/article/view/7241

Tuesday, 18 May 2021

Reduction of Pollutants in Two Stroke Petrol Engine | Chapter 2 | Advanced Aspects of Engineering Research Vol. 9

 The exhaust emissions from petrol engines are carbon monoxide (CO) and unburned hydrocarbons (UBHC), and inhaling these fumes is harmful to one's health. They also have an effect on the ecosystem. Aldehydes must be examined if the engine is ran with alcohol. As a result, reducing these contaminants has an immediate impact. Changes in the architecture of the combustion chamber, the fuel mix, and the use of a catalytic converter can all help to reduce emissions. Over the piston crown, a layer of copper with a thickness of 300 microns was applied. inner portion of cylinder liner and cylinder head of two-stroke 2.2 kW petrol engine at rated speed of 3000 rpm with provision of catalytic converter with different catalysts such as sponge iron and manganese ore with air injection, fuelled with gasohol (blend of 20% ethanol and 80% gasoline by volume), with provision of catalytic converter with different catalysts such as sponge iron and manganese ore The impact of characteristics such as catalyst mass, air flow rate, and engine brake mean effective pressure on emissions was investigated. The CO/UBHC in the engine's exhaust was measured using a microprocessor-based analyzer. The wet method was used to measure aldehydes. Catalytic settings were discovered to have a significant impact on the reduction of pollutants in the exhaust. When compared to a conventional engine (CE) with neat gasoline operation, the copper coated spark ignition engine (CCE) with gasohol operation reduced exhaust pollutants significantly.

Author(s) Details

M. V. S. Murali Krishna
Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500075, India.

N. Janardhan
Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500075, India.

S. Narasimha Kumar
Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500075, India.

K. Kishor
Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500075, India.

Ch. Indira Priyadarsini

Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500075, India.

Y. Nagini
Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500075, India.

View Book :- https://stm.bookpi.org/AAER-V9/article/view/1010