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Ash-Related Operational Challenges in Energy Utilization of Sustainable Fuels
  • Level Professional
  • المدة 69 ساعات hours
  • الطبع بواسطة Technical University of Denmark (DTU)
  • Offered by

عن

The basic idea behind this MOOC, is to present recent data on fuel characterization, slagging, fouling, corrosion, and trace element transformations, in a course that can be readily provided for students and industry people. This ensures understanding and application of the research, and provides the students and industry with a forum for discussion of the very latest research results, as well as feedback from industry to the research group at DTU, on important new research subjects in the field. The specific aim of the MOOC, is that students will be able to; Explain basic physical and chemical differences between solid fuels like coal, biomass, waste etc., be able to characterize solid fuels, and to interpret fuel analyses of them Interpret and utilize data from advanced fuel and ash analyses (SEM, DTA/TGA, chemical fractionation, ash melting temperatures) Describe chemically and physically, how critical ash-forming elements are released to the gas phase, the mechanisms for formation of aerosols and fly ash particles, and explain how ash is transported from bulk gas to heat transfer surfaces Quantify the processes of deposit build-up, sintering and shedding Explain the fundamentals of high-temperature corrosion in thermal fuel conversion systems Can calculate viscosities as a function of temperature and composition, temperature profiles in a deposit, rates of deposit build-up and sintering, as well as porosity changes vs. time.

الوحدات

Why This MOOC and What Will You Learn ?

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  • New Video

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  • General Introduction to the Course Subject

Why and How do we Quantify Fuel Composition ?

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1 Assignment

  • Quiz on Why and How do we Quantify Fuel Composition ?

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  • Lesson 1: Quantification of Fuel Composition

1 Readings

  • Supplementary Reading on Fuel and Ash Characterization

Biomass Characteristics

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1 Assignment

  • Quiz on Biomass Characteritics

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  • Lesson 2: Biomass Characteristics

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  • Supplementary Reading on Biomass Characteristics

Waste Characteritics

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1 Assignment

  • Quiz on Waste Characteritics

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  • Lesson 3: Waste Characteristics

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  • Supplementary Reading on Waste Characteristics

Online Fuel Databases

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1 Assignment

  • Quiz on Online Fuel Databases

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  • Lesson 4: Online Fuel Databases

1 Readings

  • Supplementary Reading on Fuel Databases

Quantification of Ash Fusibility

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1 Assignment

  • Quiz on Quantification of Ash Fusibility

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  • Lesson 5: Quantification of Ash Fusibility

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  • Supplementary Reading on Quantification of Ash Fusibility

SEM Analysis of Fuels and Ashes

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1 Assignment

  • Quiz on SEM Analysis of Fuels and Ashes

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  • Lesson 6: SEM Analysis of Fuels and Additives

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  • Supplementary Reading SEM Analysis of Fuels and Ashes

Viscosity Measurements

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1 Assignment

  • Quiz on Viscosity Measurements

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  • Lesson 7: Viscosity Measurements

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  • Supplementary Reading on Viscosity Measurements

Fundamentals of Release

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1 Assignment

  • Quiz on Fundamentals of Release

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  • Lesson 1: Fundamentals of Release during Thermal Fuel Conversion

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  • Supplementary Reading on Fundamentals of Release During Thermal Fuel Conversion

Release of K, Cl and S from Biofuels on a Grate

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1 Assignment

  • Quiz on Release of K, Cl and S from Biofuels on a Grate

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  • Lesson 2: Release og K, S and Cl from Wood in Grate-Fired Systems

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  • Supplementary Reading on K, Cl and S Release on a Grate

K-Release from the System K-Ca-P

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1 Assignment

  • Quiz on K-Release from the System K-Ca-P

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  • Lesson 3: K-Release from the System K-Ca-P

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  • Supplementary Reading on K-Release from the System K-Ca-P

Release in PF-Boilers

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1 Assignment

  • Quiz on Release in PF-Boilers

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  • Lesson 4: Release of Inorganic Elements in PF-Systems

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  • Supplementary Reading on Release in PF-Boilers

Residual Fly Ash Formation: Fundamental Considerations

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1 Assignment

  • Quiz on Residual Fly Ash Formation: Fundamental Considerations

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  • Lesson 1: Fundamental Considerations of Fly Ash Formation

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  • Supplementary Reading on Fundamental of Fly Ash and Aerosol Formation

Residual Fly Ash Formation: Physical Aspects

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1 Assignment

  • Quiz on Residual Fly Ash Formation: Physical Aspects

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  • Lesson 2: Physical Aspects of Fly Ash Formation

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  • Supplementary Reading on Physical Aspects of Fly Ash Formation

Combustion Aerosols: Why Worry ?

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1 Assignment

  • Quiz on Combustion Aerosols: Why Worry ?

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  • Lesson 3: Why Worry About Combustion Aerosols ?

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  • Supplementary Reading on Aspects of Combustion Aerosols

Combustion Aerosols: Formation

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1 Assignment

  • Quiz on Combustion Aerosols: Formation

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  • Lesson 4: Combustion Aerosols: Formation

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  • Supplementary Reading on Formation of Combustion Aerosols

Combustion Aerosols: Danish Case Study

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1 Assignment

  • Quiz on Combustion Aerosols: Danish Case Study

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  • Lesson 5: Combustion Aerosols: Danish Case Study

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  • Supplementary Reading on Aerosol Formation at the Haslev and Slagelse CHPs

The Effect of Ash Species on Deposit Formation

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1 Assignment

  • Quiz on The Effect of Ash Species on Deposit Formation

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  • Lesson 1: The Effect of Transport of Ash Species on Deposit Formation ?

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  • Supplementary Reading on The Effect of Transport of Ash Species on Deposit Formation

Deposit Shape Controlling Parameters

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1 Assignment

  • Quiz on Deposit Shape Controlling Parameters

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  • Lesson 2: Deposit Shape Controlling Parameters

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  • Supplementary Reading on Deposit Shape Controlling Parameters

Mechanisms of Ash Transport

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1 Assignment

  • Quiz on Mechanisms of Ash Transport

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  • Lesson 3: Mechanisms of Ash Transport

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  • Supplementary Reading on the Mechanisms of Ash Transport

Adhesion of Ash Particles

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1 Assignment

  • Quiz on Adhesion of Ash Particles

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  • Lesson 4: Adhesion of Ash Particles

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  • Supplementary Reading on Adhesion of Ash Particles

Quantification of Sticking Probability for Silicate-Rich Ash

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1 Assignment

  • Quiz on Quantification of Sticking Probability for Silicate-Rich Ash

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  • Lesson 5: Quantification of Sticking Probability for Silicate-Rich Ash

1 Readings

  • Supplementary Reading on Quantification of Sticking Probability for Silicate-Rich Ash

Quantification of Heat Transfer in Multi-Layer Deposits

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1 Assignment

  • Quiz on Quantification of Heat Transfer in Multi-Layer Deposits

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  • Lesson 6: Quantification of Heat Transfer in Multi-Layer Deposits

1 Readings

  • Supplementary Reading on Quantification of Heat Transfer in Multi-Layer Deposits

A Simple Procedure for Estimation of Deposit Surface Temperature

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1 Assignment

  • Quiz on A Simple Procedure for Estimation of Deposit Surface Temperature

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  • Lesson 7: A Simple Procedure for Estimation of Deposit Temperature Profiles

1 Readings

  • Supplementary Reading on A Simple Procedure for Estimation of Deposit Temperature Profiles

Deposit Build-Up: Fundamentals

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1 Assignment

  • Quiz on Deposit Build-Up: Fundamentals

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  • Lesson 1: Deposit Build-Up: Fundamentals

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  • New Reading

Changes in Deposits During Maturation

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1 Assignment

  • Quiz on Changes in Deposits During Maturation

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  • Lesson 2: Changes in Deposits During Maturation

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Shedding of Deposits

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1 Assignment

  • Quiz on Shedding of Deposits

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  • Lesson 3: Shedding of Deposits

1 Readings

  • New Reading

Shedding Measurements on Biomass-Fired Power Plants

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1 Assignment

  • Quiz on Shedding Measurements on Biomass-Fired Power Plants

1 Videos

  • Lesson 4: Shedding Measurements on Biomass-Fired Power Plants

1 Readings

  • New Reading

Shear Adhesion Strength Measurements

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1 Assignment

  • Quiz on Shear Adhesion Strength Measurements

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  • Lesson 5: Shear Adhesion Strength Measurements

1 Readings

  • New Reading

Tensile Strength Measurements

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1 Assignment

  • Quiz on Tensile Strength Measurements

1 Videos

  • Lesson 6: Tensile Adhesion Strength Measurements

1 Readings

  • New Reading

Deposit Formation in the DTU EFR

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1 Assignment

  • Quiz on Deposit Formation in the DTU EFR

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  • Lesson 7: Deposit Formation in the DTU-EFR

1 Readings

  • New Reading

Probe Deposition Measurements: Fundamentals

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1 Assignment

  • Quiz on Probe Deposition Measurements: Fundamentals

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  • Lesson 8: Probe Deposition Measurements: Fundamentals

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  • New Reading

Probe Deposition Measurements: Practical Problems to Consider

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1 Assignment

  • Quiz on Probe Deposition Measurements: Practical Problems to Consider

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  • Lesson 9: Probe Deposit Measurements: Practical Problems

1 Readings

  • New Reading

HT Corrosion: Importance and Significance

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1 Assignment

  • Quiz on HT Corrosion: Importance and Significance

1 Videos

  • Lesson 1: Importance and Significance of High-Temperature Corrosion in Boilers

1 Readings

  • Supplementary Reading on High-Temperature Cl-Induced Corrosion

Corrosion in Straw-Fired Boilers

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    • 1 Assignment
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1 Assignment

  • Quiz on Corrosion in Straw-Fired Boilers

1 Videos

  • Lesson 2: High-temperature Corrosion in Straw-Fired Boilers: The Nielsen Corrosion Study

1 Readings

  • Supplementary Reading on Corrosion in Straw-Fired Boilers I

Effect of Metal Temperature and Oxide Composition in Deposits

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1 Assignment

  • Quiz on Effect of Metal Temperature and Oxide Composition in Deposits

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  • Lesson 3: High-Temperature Corrosion in Biomass-Fired Boilers: The van Lith Corrosion Study

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  • Supplementary Reading on Corrosion in Straw-Fired Boilers II

Corrosion in Waste-Fired Boilers

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1 Assignment

  • Quiz on Corrosion in Waste-Fired Boilers

1 Videos

  • Lesson 4: High-Temperature Corrosion in Waste-Fired Boilers: The Buchardt Corrosion Study

1 Readings

  • Supplementary Reading on Corrosion in Waste-Fired Boilers

Additives - Fundamental Aspects

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1 Assignment

  • Quiz on Additives - Fundamental Aspects

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  • Lesson 1: Additives - Fundamental Aspects

1 Readings

  • Supplementary Reading on the Fundamentals in Use of Additives

What is an Additive ?

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1 Assignment

  • Quiz on What is an Additive ?

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  • Lesson 2: Introduction to Additive Physics and Chemistry

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  • Supplementary Reading on What is an Additive

S-Based Additives

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1 Assignment

  • Quiz on S-Based Additives

1 Videos

  • Lesson 3: S-Based Additives

1 Readings

  • Supplementary Reading on S-Based Additives

Al-Si Based Additives

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1 Assignment

  • Quiz on Al-Si Based Additives

1 Videos

  • Lesson 4: Al-Si Based Additives

1 Readings

  • Supplementary Reading on Al-Si-Based Additives

Use of Spent Bleaching Earth and Kaolin in Straw Dust-Firing

    • 1 Videos
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1 Assignment

  • Quiz on Use of Spent Bleaching Earth and Kaolin in Straw Dust-Firing

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  • Lesson 5: Use of Spent Bleaching Earth and Kaolin in Straw Dust-Firing

1 Readings

  • Supplementary Reading on the Use of Spent Bleaching Earth and Kaolin in Straw Dust-Firing

Al-Si Based Additive Investigations in the DTU Entrained Flow Reactor

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1 Assignment

  • Quiz on Al-Si Based Additive Investigations in the DTU EFR

1 Videos

  • Lesson 6: Al-Si Based Additive Studies in the DTU-EFR

1 Readings

  • Supplementary Reading on Additive Investigations in the DTU Entrained Flow Reactor

Effect of Additives on Deposit Build-Up

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    • 1 Assignment
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1 Assignment

  • Quiz on Effect of Additives on Deposit Build-Up

1 Videos

  • Lesson 7: Effect of Additives on Deposit Build-Up

1 Readings

  • New Reading

The Haslev and Slagelse CHP Campaings: Aerosol Formation from Straw-Firing

    • 1 Videos
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1 Assignment

  • Quiz on The Haslev and Slagelse CHP Campaings: Aerosol Formation from Straw-Firing

1 Videos

  • Lesson 1: Deposit and Aerosol Formation in the Haslev and Slagelse CHPs

1 Readings

  • Supplementary Reading on Aerosol and Deposit Measurements at the Haslev and Slagelse CHPs

The Rudkøbing CHP Campaign: Probe Deposit Measurements on Straw-Fired Grate

    • 1 Videos
    • 1 Readings
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1 Assignment

  • Quiz on The Rudkøbing CHP Campaign: Probe Deposit Measurements on Straw-Fired Grate

1 Videos

  • Lesson 2: Fly Ash and Deposit Chemistry at the Rudkøbing CHP

1 Readings

  • Supplementary Reading on Fly Ash and Deposit Chemistry at the Rudkøbing CHP

The Masnedø CHP Campaign: Mature Deposit Formation in Straw-Fired Grate Unit

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1 Assignment

  • Quiz on The Masnedø CHP Campaign: Mature Deposit Formation in Straw-Fired Grate Unit

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  • Lesson 3: Probe vs. Mature Deposits at the Masnedø CHP

1 Readings

  • Supplementary Reading on Probe vs. Mature Deposits at the Masnedø CHP

MKS1 Demoprogramme: Introduction and Pre-History

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1 Assignment

  • Quiz on MKS1 Demoprogramme: Introduction and Pre-History

1 Videos

  • Lesson 4: MKS1, Introduction

1 Readings

  • Supplementary Reading on MKS1, Introduction and Pre-History

MKS1 Demoprogramme: Deposit Formation Investigation

    • 1 Videos
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1 Assignment

  • Quiz on MKS1 Demoprogramme: Deposit Formation Investigation

1 Videos

  • Lesson 5: MKS1, Deposit Formation

1 Readings

  • Supplementary Reading on MKS1, Deposit Formation Investigation

The AVV2 Campaign: Aerosol Formation

    • 1 Videos
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1 Assignment

  • Quiz on The AVV2 Campaign: Aerosol Formation

1 Videos

  • Lesson 6: AVV2, Aerosol Formation

1 Readings

  • Supplementary Reading on Aerosol Formation Investigations at AVV

The AVV2 Campaign: Deposition Measurements

    • 1 Videos
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    • 1 Assignment
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1 Assignment

  • Quiz on The AVV2 Campaign: Deposition Measurements

1 Videos

  • Lesson 7: AVV2, Deposition Measurements

1 Readings

  • Supplementary Reading on Deposition Measurements at AVV

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Flemming Jappe Frandsen
Instructor

Flemming Jappe Frandsen