Essays about: "NH3 emission"

Showing result 6 - 10 of 13 essays containing the words NH3 emission.

  1. 6. Optimization of the AdBlue e vaporation module for Scania V8 engines

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Mattia Antoniotti; [2017]
    Keywords : CR; evaporation unit; urea deposits; heat fins; Urea; förångningsmodulen; ureaavlagringar; rörflänsar;

    Abstract : The aftertreatment techniques introduced to follow the emission legislations require a constant improvement process to comply with the gradually more stringent demands. SCR is the system used nowadays to deal with NOx emissions in most heavy-duty vehicles. READ MORE

  3. 7. Is there new particle formation in the marine boundary layer of the North Sea?

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Natalia Kelbus; [2014]
    Keywords : Geography; Physical Geography; aerosol particles; new particle formation; nucleation; particle size distribution; NanoMap; Science General; Earth and Environmental Sciences;

    Abstract : The effect of aerosol particles on climate and the human health emphasizes the necessity to focus on the research about aerosol particles. Aerosol particles emitted due to anthropogenic activities increase the scattering and absorption of solar radiation in the atmosphere which leads to an increased cooling of the climate (direct effect). READ MORE

  4. 8. Measuring ammonia: Development and application of measurement techniques for the detection of ammonia

    University essay from Lunds universitet/Fysiska institutionen

    Author : Odd Magnar Hole; [2013]
    Keywords : images; imaging; PFLIF; Detection; Laser; Two-photon; 2-photon; SCR; LIF; Ammonia; Physics and Astronomy;

    Abstract : Ammonia (NH3) is an important chemical both as a chemical precursor and in its own right. It is therefore of practical importance to be able to visualize ammonia gas especially when ammonia is present in combustion or flue-gas environments. READ MORE

  5. 9. Modeling and Simulation of Urea Dosing System

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Zaki Ahmed; [2013]
    Keywords : Modeling; Simulation; Urea; Dosing;

    Abstract : To protect our health and environment from pollution, among others regulatory agencies in the European Union (EU) and legislation from the U.S. Environmental Protection Agency (EPA) has required that pollutants produced by diesel engines - such as nitrogen oxides (NOx), hydrocarbons (HC) and particulate matter (PM) - be reduced. READ MORE

  6. 10. Böklåda med torv på rastgårdsytan i ekologisk slaktsvinsproduktion : effekter på beteende och emission av kväve (NH3 och N2O)

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Emma Selberg Nygren; [2009]
    Keywords : organic pig production; ammonia; nitrous oxide; peat; behaviour;

    Abstract : In organic animal production, synthetic amino acids are not allowed. Therefore, a higher level of crude protein is needed in the diet to pigs, which lead to more nitrogen (N) excreted in the faeces and urine. N can be emitted to the air in the form of e.g. READ MORE