No abstract

Combustion characteristics, flame structure, and length in an oxy-fuel combustor have been experimentally investigated for a wide range of fuel nozzle diameters and fuel and oxidizer velocities. Measurements are made for the model combustor (Combustor I) as well as for the actual oxy-fuel combustor (Combustor II). The experimental results for Combustor I clearly reveal basic features of the air-fuel and oxy-fuel flames in terms of flame length and structure. It was found that the flame length of the oxy-fuel flame in Combustor II decreases with increased fuel velocity or oxygen velocity due to greater turbulent mixing and entrainment. On the basis of the measured oxy-fuel flame lengths, a modified correlation between dimensionless flame lengths and a fire Froude number has been proposed for the two types of oxy-fuel combustors.

We report a case of cytomegalovirus (CMV) enteritis in a 31 year-old -woman with lupus enteritis. In August 2002 the patient complained of severe abdominal pain. An abdominopelvic CT scan at the time showed free air in the peritoneal cavity and wall thickening of the ileal loop. She was diagnosed as having panperitonitis due to an ileal perforation, and underwent an emergency laparotomy. The surgical specimen revealed CMV inclusion bodies in the infarcted lesion. Her symptoms improved following the initiation of ganciclovir therapy. To the best of our knowledge, this is the first report in the English literature of an ileal perforation due to CMV infection in a patient with lupus enteritis.