In a large skillet, cook the beef, onion and celery over medium heat until meat is no longer pink; drain. Stir in the tomato sauce, brown sugar, lemon juice, Worcestershire sauce, chili powder, mustard and salt. Bring to a boil. Reduce heat; simmer, uncovered, for 15-20 minutes or until sauce is thickened, stirring occasionally., Grill or cook hot dogs according to package directions. Place hot dogs in buns; top with sauce.