A three-dimensional computational study of double-diffusive natural convection was conducted to explore the impact tilt on thermal and solutal performance a floating pyramidal solar still filled with an air-steam mixture. In present work, is cooled from upper walls maintained at low vapor concentration. The bottom wall hot temperature high Four different models baffles placed in region have bee...

OBJECTIVE To assess long term outcome of patients who underwent Mustard or Senning repair for transposition of the great arteries up to 30 years earlier. DESIGN Retrospective review of medical records. SETTING The six university hospitals in Belgium with paediatric cardiology departments. PATIENTS 339 patients were reviewed, of whom 124 underwent the Mustard procedure and 215 the Senning ...

Objective: To assess long term outcome of patients who underwent Mustard or Senning repair for transposition of the great arteries up to 30 years earlier. Design: Retrospective review of medical records. Setting: The six university hospitals in Belgium with paediatric cardiology departments. Patients: 339 patients were reviewed, of whom 124 underwent the Mustard procedure and 215 the Senning pr...

This paper presents a method for calculating the directivity of the radiation of sound from a panel or opening, whose vibration is forced by the incidence of sound from the other side. The directivity of the radiation depends on the angular distribution of the incident sound energy in the room or duct in whose wall or end the panel or opening occurs. The angular distribution of the incident sou...

Presence of salts in water has been one of the biggest problems of industrial equipment such as evaporators, boilers, and pipes. These salts gradually form scales on evaporators and boilers tubes and reduce their efficiency. Pretreatment processes are conducted to remove these salts; with sedimentation tanks being one of the essential equipment used in these processes. This study numerically si...

The demand for liquid carriers, such as liquefied natural gas (LNG), has increased in recent years. One of the most common types LNG carriers is membrane type, which often built by a shipyard with prismatic tank shape. This carrier commonly known its effective ways to mitigate sloshing using baffle. Therefore, this study was performed evaluate vertical and T-shape baffles. conducted 25% 50% fil...

Engine noise, as a source of sound pollution for humans and the environment, can be reduced by designing high-performance muffler. This study presents novel, organized design process that muffler KTM390 engine case study. The acoustic simulation analysis is performed in COMSOL software aerodynamic ANSYS Fluent. features considered this are overall length muffler, presence baffles related parame...

We report a case of a 27-year-old man with Senning repair of D-transposition of the great arteries. A dual-chamber pacemaker was placed for syncope due to sinoatrial node dysfunction 3 years before this presentation. He had no further syncope but complained of dyspnea on exertion and mild exercise intolerance. A routine chest x-ray and transthoracic echocardiography suggested the presence of a ...

Equations describing the radiation characteristics of a rigid disk in a finite open baffle are derived using a method similar to that used by Streng for a circular membrane based upon the dipole part of the Kirchhoff–Helmholtz boundary integral formula. In this case, however, a power series solution to the radiation integral is derived in order to eliminate the need for numerical integration. H...